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  1. Employees

Språkvelger

Norsk

Lisa Lorentzen

Download press photo
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Lisa Lorentzen

professor emerita

lisa.lorentzen@ntnu.no
+4773593548 Sentralbygg 2, 1054, Gløshaugen, Alfred Getz vei 1
Publications Outreach

Publications

  • Chronological
  • By category
  • All publications registered in NVA

2016

  • Lorentzen, Lisa. (2016) Convergence of Random Continued Fractions and Random Iterations of Möbius Transformations. Contemporary Mathematics - American Mathematical Society
    Academic article

2015

  • Lorentzen, Lisa. (2015) A convergence theorem for random continued fractions. Journal of Approximation Theory
    Academic article
  • Lorentzen, Lisa; Hole, Arne; Lindstrøm, Tom. (2015) Kalkulus med én og flere variable (2. utgave). Universitetsforlaget Universitetsforlaget
    Textbook

2014

  • Lorentzen, Lisa. (2014) Convergence of random continued fractions. Contemporary Mathematics - American Mathematical Society
    Academic article

2013

  • Lorentzen, Lisa. (2013) Continued Fractions, Why and How.
    Academic chapter/article/Conference paper
  • Lorentzen, Lisa. (2013) Limiting Behavior of Random Continued Fractions. Constructive approximation
    Academic article
  • Lorentzen, Lisa. (2013) Recurrence Relations.
    Academic chapter/article/Conference paper

2012

  • Lorentzen, Lisa. (2012) Matematikk og skjønnhet. Klassekampen
    Popular scientific article
  • Lorentzen, Lisa. (2012) 3 kjappe. Dag og Tid
    Academic article
  • Lorentzen, Lisa. (2012) Hva er matematikk. Universitetsforlaget Universitetsforlaget
    Popular scientific book

2010

  • Rokne, Arnfinn Stendahl; Brattli, Terje; Ekrem, Torbjørn; Lorentzen, Lisa; Rossing, Nils Kristian; Cyvin, Øylov Emma. (2010) Vitskap og sanning.
    Museum exhibition
  • Lorentzen, Lisa. (2010) Kalkulus for Ingeniører. Kort og Godt. Universitetsforlaget Universitetsforlaget
    Textbook
  • Lorentzen, Lisa. (2010) Pade approximation and continued fractions. Applied Numerical Mathematics
    Academic article

2009

  • Lorentzen, Lisa. (2009) Continued Fractions. TUCS General Publications
    Academic literature review

2008

  • Lorentzen, Lisa; Waadeland, Haakon. (2008) Continued Fractions. Vol.1: Convergence Theory. World Scientific World Scientific
    Academic monograph
  • Lorentzen, Lisa. (2008) Continued fractions with circular twin value sets. Transactions of the American Mathematical Society
    Academic article
  • Lorentzen, Lisa. (2008) Convergence and divergence of the Ramanujan AGM fraction. The Ramanujan Journal
    Academic article
  • Lorentzen, Lisa. (2008) Continued fractions with circular twin value sets. Transactions of the American Mathematical Society
    Academic article
  • Lorentzen, Lisa. (2008) An idea on some of Ramanujans continued fraction identities. The Ramanujan Journal
    Academic article
  • Lorentzen, Lisa. (2008) Convergence and divergence of the Ramanujan AGM fraction. The Ramanujan Journal
    Academic article
  • Lorentzen, Lisa. (2008) Fasinasjon, undring, matematikk og Ramanujan. P2-Akademiet
    Popular scientific article

2007

  • Lorentzen, Lisa. (2007) Mobius transformations mapping the unit disk into itself. The Ramanujan Journal
    Academic article

2005

  • Gynnild, Vidar; Tyssedal, John Sølve; Lorentzen, Lisa. (2005) Approaches to Study and the Quality of Learning. Some Empirical Evidence from Engineering Education. International Journal of Science and Mathematics Education
    Academic article
  • Lorentzen, Lisa. (2005) Biography of Olav Njastad. Journal of Computational and Applied Mathematics
    Reader opinion piece
  • Lorentzen, Lisa; Rønning, Frode; Waadeland, Haakon. (2005) Proceedings of the Conference on Orthogonal Functions and Related Topics - Held in honor of Olav Njastad - Roros, Norway, 12-16 August 2003 - Preface. Journal of Computational and Applied Mathematics
    Reader opinion piece

2004

  • Beardon, Alan F.; Lorentzen, Lisa. (2004) Continued fractions and restrained sequences of Mobius maps. Rocky Mountain Journal of Mathematics
    Academic article
  • Lorentzen, Lisa; Beardon, Alan F.. (2004) Continued fractions and restrained sequences of Möbius maps. Rocky Mountain Journal of Mathematics
    Academic article

2003

  • Lorentzen, Lisa; Hole, Arne; Lindstrøm, Tom. (2003) Kalkulus med en og flere variabler. Universitetsforlaget Universitetsforlaget
    Textbook
  • Lindstrøm, Tom; Hole, Arne; Lorentzen, Lisa. (2003) Kalkulus med en og flere variabler. Universitetsforlaget Universitetsforlaget
    Textbook
  • Lorentzen, Lisa. (2003) Historien rundt en historie. Skrifter
    Academic article
  • Lorentzen, Lisa. (2003) General convergence in quasi-normal families. Proceedings of the Edinburgh Mathematical Society
    Academic article
  • Lorentzen, Lisa. (2003) A priori truncation error bounds for continued fractions. Rocky Mountain Journal of Mathematics
    Academic article
  • Lorentzen, Lisa. (2003) Grandfather clocks, grand pianos and continued fractions. Yeung-Nam University Yeung-Nam University
    Report

2002

  • Lorentzen, Lisa. (2002) Convergence of limit periodic continued fractions K(a_n/1) where a_n->-1/4. Part IV. Constructive approximation
    Academic article
  • Lorentzen, Lisa. (2002) Convergence of corresponding continued fractions. Number Theory for the Millenium II
    Academic article

2001

  • Lorentzen, Lisa. (2001) Ramanujan and magic squares. Forays 2001, Dept. of Math. IIT Madras
    Popular scientific article
  • Lorentzen, Lisa; Waadeland, Haakon. (2001) Computation of the Circumference of an Ellipse. Communications in the Analytic Theory of Continued Fractions
    Academic article
  • Lorentzen, Lisa. (2001) Recurrence relations in continued fraction theory. Analysis and Its Applications
    Academic article
  • Lorentzen, Lisa; Beardon, Alan. (2001) Approximants of Sleszynski-Pringsheim continued fractions. Journal of Computational and Applied Mathematics
    Academic article
  • Lorentzen, Lisa; Lubinsky, Doron S.. (2001) Convergence versus correspondence for sequences of rational functions. Indagationes mathematicae
    Academic article

2000

  • Lorentzen, Lisa. (2000) Ideas from continued fraction theory extended to Padé approximation and generalized iteration. Acta Applicandae Mathematicae - An International Survey Journal on Applying Mathematics and Mathematical Applications
    Academic article

1999

  • Lorentzen, Lisa; Njåstad, Olav; Rønning, Frode. (1999) Continued fractions and geometric function theory. Conference held in Trondheim, Norway, June 24-28, 1997 in honor of Haakon Waadeland on occasion his 70th birthday. Elsevier Science Publisher Elsevier Science Publisher
    Non-fiction book
  • Lorentzen, Lisa; Njåstad, Olav; Rønning, Frode. (1999) Continued fractions and geometric function theory. Conference held in Trondheim, Norway, June 24-28, 1997 in honor of Haakon Waadeland on occasion his 70th birthday. Elsevier Elsevier
    Non-fiction book
  • Lorentzen, Lisa. (1999) Convergence of Compositions of Self-Mappings. Annales Universitatis Mariae Curie-Sklodowska. Sectio A. Mathematica
    Academic article
  • Lorentzen, Lisa. (1999) Convergence Criteria for Continued Fractions K(an/1) based on Value Sets. Contemporary Mathematics - American Mathematical Society
    Academic article
  • Lorentzen, Lisa. (1999) Convergence criteria for continued fractions K(an/1) based on value sets. Contemporary Mathematics - American Mathematical Society
    Academic article

1998

  • Lorentzen, Lisa. (1998) Continued Compositions of Self-Mappings.
    Academic chapter/article/Conference paper

1997

  • Tveitereid, Morten; Lorentzen, Lisa; Reikerås, Elin; Jorde, Doris. (1997) Tiltak for å styrke matematikk, naturvitenskap og teknologi i norsk utdanning. Sluttrapport fra arbeidsgruppe nedsatt av Kirke-, utdannings-og forskningsdepartementet. Kirke-, utdannings- og forskningsdepartementet Kirke-, utdannings- og forskningsdepartementet
    Report
  • Tveitereid, Morten; Lorentzen, Lisa; Reikerås, Elin Kristi Lie; Jorde, Doris. (1997) Tiltak for å styrke matematikk, naturvitenskap og teknologi i norsk utdanning. Sluttrapport fra arbeidsgruppe nedsatt av Kirke-, utdannings-og forskningsdepartementet. Kirke-, utdannings- og forskningsdepartementet Kirke-, utdannings- og forskningsdepartementet
    Report

1996

  • Lorentzen, Lisa. (1996) Continued Compositions of Linear Fractional Transformations. Journal of Mathematical Analysis and Applications
    Academic article
  • Lorentzen, Lisa. (1996) Asymptotic Behavior of Solutions of Three-Term Poincare Difference Equations with Applications. Rocky Mountain Journal of Mathematics
    Academic article

1995

  • Lorentzen, Lisa. (1995) Computation of limit periodic continued fractions : a survey. Numerical Algorithms
    Academic article
  • Lorentzen, Lisa. (1995) A Convergence Question Inspired by Stieltjes and by Value Sets in Continued Fraction Theory. Journal of Computational and Applied Mathematics
    Academic article
  • Lorentzen, Lisa. (1995) Pertubations of Linear Recurrence Relations. Computational Methods and Functions Theory : proceedings
    Academic article
  • Lorentzen, Lisa. (1995) Srinivasa Ramanujan. Mannen og matematikeren - noen refleksjoner. SYMMETRI - Nordic Journal for Physics and Mathematics
    Academic article

1994

  • Lorentzen, Lisa. (1994) A convergence property for sequences of linear fractional transformations. Lecture Notes in Pure and Applied Mathematics
    Academic article
  • Lorentzen, Lisa. (1994) Litt av hvert om kjedebrøk.
    Academic chapter/article/Conference paper
  • Lorentzen, Lisa. (1994) Properties of limit sets and convergence of continued fractions. Journal of Mathematical Analysis and Applications
    Academic article
  • Lorentzen, Lisa. (1994) Divergence of continued fractions related to hypergeometric series. Mathematics of Computation
    Academic article
  • Lorentzen, Lisa. (1994) Circular Twin Value Sets for Continued Fractions and how they imply Convergence. Lecture Notes in Pure and Applied Mathematics
    Academic article

1993

  • Ruscheweyh, Stephan; Lorentzen, Lisa. (1993) Simple convergence sets for continued fractions K(a_n/1). Journal of Mathematical Analysis and Applications
    Academic article
  • Lorentzen, Lisa. (1993) Litt av hvert om kjedebrøk.
    Academic chapter/article/Conference paper
  • Lorentzen, Lisa. (1993) The closure of convergence sets for continued fractions are convergence sets. Proceedings of the Edinburgh Mathematical Society
    Academic article
  • Lorentzen, Lisa. (1993) A note on separate convergence for continued fractions. Journal of Computational and Applied Mathematics
    Academic article
  • Lorentzen, Lisa. (1993) Analytic continuation of functions given by continued fractions, revisited. Rocky Mountain Journal of Mathematics
    Academic article
  • Jacobsen, Lisa; Lamphere, Robert L.; Berndt, Bruce; Andrews, George; Lorentzen, Lisa. (1993) The continued fractions found in the unorganized portions of Ramanujan's notebooks. AMS AMS
    Academic monograph

1992

  • Lorentzen, Lisa. (1992) Computations of hypergeometric functions by means of continued fractions. Computational and applied mathematics 1 - Algorithms and Theory
    Academic article
  • Lorentzen, Lisa. (1992) Arithmetic operations with regular C-fractions. Numerische Mathematik
    Academic article
  • Lorentzen, Lisa. (1992) Bestness of the parabola theorem for continued fractions. Journal of Computational and Applied Mathematics
    Academic article
  • Lorentzen, Lisa; Waadeland, Haakon. (1992) CONTINUED FRACTIONS WITH APPLICATIONS. North-Holland, Elsevier Science Publishers B.V. North-Holland, Elsevier Science Publishers B.V.
    Academic monograph

1991

  • Lorentzen, Lisa; Waadeland, Haakon. (1991) A Taste of Continued Fractions. University of Trondheim University of Trondheim
    Report
  • Lorentzen, Lisa. (1991) Is being near sufficient to inherit?. IMACS Annals on Computing and Applied Mathematics
    Academic article
  • Masson, David R.; Lorentzen, Lisa; Jacobsen, Lisa. (1991) A sequence of best parabola theorems for continued fractions. Rocky Mountain Journal of Mathematics
    Academic article
  • Lorentzen, Lisa. (1991) Is it really old-fashioned to compute hypergeometric functions by means of continued fractions?. IMACS Annals on Computing and Applied Mathematics
    Academic article

1990

  • Lorentzen, Lisa; Jacobsen, Lisa; Masson, David R.. (1990) On the convergence of limit periodic continued fractions K(a(n)/1) where a(n)-> -1/4. Part III. Constructive approximation
    Academic article
  • Lorentzen, Lisa. (1990) Compositions of contractions. Journal of Computational and Applied Mathematics
    Academic article
  • Jacobsen, Lisa; Lorentzen, Lisa. (1990) On the Bauer - Muir transformation for continued fractions and its applications. Journal of Mathematical Analysis and Applications
    Academic article
  • Lorentzen, Lisa; Jacobsen, Lisa. (1990) Orthogonal polynomials, chain sequences, three-term recurrence relations and continued fractions. Lecture notes in mathematics
    Academic article
  • Waadeland, Haakon; Lorentzen, Lisa; Jacobsen, Lisa. (1990) An asymptotic property for tails of limit periodic continued fractions. Rocky Mountain Journal of Mathematics
    Academic article

1989

  • Waadeland, Haakon; Thron, W. J.; Lorentzen, Lisa. (1989) Julius Worpitzky, his contributions to analytic theory of continued fractions and his times. Lecture notes in mathematics
    Academic article
  • Berndt, Bruce; Andrews, George; Lamphere, Robert L.; Lorentzen, Lisa; Jacobsen, Lisa. (1989) Variations on the Rogers-Ramanujan Continued Fraction in Ramanujan's Notebooks. Lecture notes in mathematics
    Academic article
  • Waadeland, Haakon; Thron, W.J.; Lorentzen, Lisa; Jacobsen, Lisa. (1989) Some observations on the distribution of values of continued fractions. Numerische Mathematik
    Academic article
  • Lorentzen, Lisa; Jacobsen, Lisa. (1989) Domains of validity for some of Ramanujan's continued fraction formulas. Journal of Mathematical Analysis and Applications
    Academic article
  • Waadeland, Haakon; Lorentzen, Lisa; Jacobsen, Lisa. (1989) When does f(z) have a regular C-fraction expansion or a normal Padé table?. Journal of Computational and Applied Mathematics
    Academic article
  • Waadeland, Haakon; Lorentzen, Lisa; Jacobsen, Lisa. (1989) A result on nearness of functions and their regular C-fraction expansions. Proceedings of the American Mathematical Society
    Academic article
  • Lorentzen, Lisa; Jacobsen, Lisa. (1989) Analytic Theory of Continued Fractions III. Proceedings, Redstone 1988. Springer-Verlag Springer-Verlag
    Non-fiction book

1988

  • Lorentzen, Lisa; Jacobsen, Lisa. (1988) Approximants for functions represented by limit periodic continued fractions. Constructive Theory for Functions '87.
    Academic article
  • Lorentzen, Lisa; Jacobsen, Lisa. (1988) Meromorphic continuation of functions given by limit k-periodic continued fractions. Applied Numerical Mathematics
    Academic article
  • Lorentzen, Lisa; Jacobsen, Lisa. (1988) Remarks to a definition of convergence acceleration illustrated by means of continued fractions K(a(n)/1) where a(n) -> 0. Journal of Computational and Applied Mathematics
    Academic article
  • Waadeland, Haakon; Lorentzen, Lisa. (1988) Convergence acceleration of limit periodic continued fractions under asymptotic side conditions. Numerische Mathematik
    Academic article
  • Lorentzen, Lisa; Jacobsen, Lisa. (1988) Uniform convergence of limit periodic generalized continued fractions. Analysis
    Academic article
  • Jacobsen, Lisa; Lorentzen, Lisa; Levrie, Paul. (1988) Convergence acceleration for generalized continued fractions. Transactions of the American Mathematical Society
    Academic article
  • Lorentzen, Lisa; Jacobsen, Lisa; Verdonk, Brigitte; Cuyt, Annie. (1988) Instability and modification of Thiele interpolating continued fractions. Applied Numerical Mathematics
    Academic article

1987

  • Bruin, Marcel G. de; Jacobsen, Lisa; Lorentzen, Lisa. (1987) Modification of generalised continued fractions I. Lecture notes in mathematics
    Academic article
  • Thron, W.J.; Jacobsen, Lisa; Lorentzen, Lisa. (1987) Limiting structures for sequences of linear fractional transformations. Proceedings of the American Mathematical Society
    Academic article
  • Jacobsen, Lisa; Lorentzen, Lisa. (1987) Nearness of continued fractions. Mathematica Scandinavica
    Academic article
  • Jacobsen, Lisa; Lorentzen, Lisa. (1987) General correspondence for continued fractions. Journal of Computational and Applied Mathematics
    Academic article
  • Waadeland, Haakon; Jones, William B.; Lorentzen, Lisa; Jacobsen, Lisa. (1987) Convergence acceleration for continued fractions K(a(n)/1) where a(n) -> infinity. Lecture notes in mathematics
    Academic article
  • Ruscheweyh, Stephan; Jacobsen, Lisa; Lorentzen, Lisa. (1987) On the domain of meromorphy of limit k-periodic continued fractions. Archiv der Mathematik
    Academic article
  • Lorentzen, Lisa; Jacobsen, Lisa. (1987) Convergence of limit k-periodic continued fractions in the hyperbolic or loxodromic case. Skrifter
    Academic article

1986

  • Jacobsen, Lisa; Lorentzen, Lisa. (1986) General convergence of continued fractions. Transactions of the American Mathematical Society
    Academic article
  • Waadeland, Haakon; Jacobsen, Lisa; Lorentzen, Lisa. (1986) Three computational aspects of continued fraction / Padé approximants. IMACS Transactions on Scientific Computation
    Academic article
  • Waadeland, Haakon; Lorentzen, Lisa. (1986) Even and odd parts of limit periodic continued fractions. Journal of Computational and Applied Mathematics
    Academic article
  • Jacobsen, Lisa; Lorentzen, Lisa. (1986) Composition of linear fractional transformations in terms of tail sequences. Proceedings of the American Mathematical Society
    Academic article
  • Jacobsen, Lisa; Lorentzen, Lisa. (1986) On the convergence of limit periodic continued fractions K(a(n)/1) where a(n) -> -1/4. II. Lecture notes in mathematics
    Academic article
  • Jacobsen, Lisa; Thron, W.J.; Lorentzen, Lisa. (1986) Oval convergence regions and circular limit regions for continued fractions K(a(n)/1). Lecture notes in mathematics
    Academic article
  • Jacobsen, Lisa; Lorentzen, Lisa. (1986) A theorem on simple convergence regions for continued fractions K(a(n)/1). Lecture notes in mathematics
    Academic article
  • Waadeland, Haakon; Jones, William B.; Jacobsen, Lisa; Lorentzen, Lisa. (1986) Further results on the computation of the incomplete gamma functions. Lecture notes in mathematics
    Academic article

1985

  • Bruin, Marcel G. de; Jacobsen, Lisa; Lorentzen, Lisa. (1985) The dominance concept for linear reccurence relations with applications to continued fractions. Nieuw Archief voor Wiskunde
    Academic article
  • Jacobsen, Lisa; Lorentzen, Lisa. (1985) Functions defined by continued fractions. Meromorphic continuation. Rocky Mountain Journal of Mathematics
    Academic article
  • Jacobsen, Lisa; Lorentzen, Lisa. (1985) Domains of functions represented by periodic continued fractions. Skrifter
    Academic article
  • Jacobsen, Lisa; Lorentzen, Lisa. (1985) Convergence of limit k-periodic continued fractions K(a(n)/b(n)) and of subsequences of their tails. Proceedings of the London Mathematical Society
    Academic article
  • Jacobsen, Lisa; Lorentzen, Lisa. (1985) Regions for right and wrong tails. Skrifter
    Academic article
  • Jacobsen, Lisa; Lorentzen, Lisa. (1985) Repeated modifications of limit k-periodic continued fractions. Numerische Mathematik
    Academic article
  • Waadeland, Haakon; Jacobsen, Lisa; Lorentzen, Lisa. (1985) Three computational aspects of continued fraction / Padé approximants. IMACS World Congress Proceedings
    Academic article
  • Waadeland, Haakon; Lorentzen, Lisa. (1985) Glimt fra analytisk teori for kjedebrøker I. Normat
    Popular scientific article
  • Waadeland, Haakon; Lorentzen, Lisa. (1985) Glimt fra analytisk teori for kjedebrøker II. Normat
    Popular scientific article

1984

  • Magnus, Arne; Jacobsen, Lisa; Lorentzen, Lisa. (1984) On the convergence of limit periodic continued fractions K(a(n)/1) where a(n) -> -1/4. Lecture notes in mathematics
    Academic article
  • Waadeland, Haakon; Jacobsen, Lisa; Lorentzen, Lisa. (1984) Modification of continued fractions. Lecture notes in mathematics
    Academic article
  • Jacobsen, Lisa; Lorentzen, Lisa. (1984) Further results on convergence acceleration for continued fractions K(a(n)/1). Transactions of the American Mathematical Society
    Academic article

1983

  • Jacobsen, Lisa; Lorentzen, Lisa. (1983) Convergence acceleration and analytic continuation by means of modifications of continued fractions. Skrifter
    Academic article
  • Jacobsen, Lisa; Lorentzen, Lisa. (1983) Convergence acceleration for continued fractions K(a(n)/1). Transactions of the American Mathematical Society
    Academic article
  • Lorentzen, Lisa; Jacobsen, Lisa. (1983) Modified approximants for continued fractions. Construction and application. Skrifter
    Academic article

1982

  • Jacobsen, Lisa; Lorentzen, Lisa. (1982) Some periodic sequences of circular convergence regions. Lecture notes in mathematics
    Academic article
  • Waadeland, Haakon; Jacobsen, Lisa; Lorentzen, Lisa. (1982) Some useful formulas involving tails of continued fractions. Lecture notes in mathematics
    Academic article
  • Jacobsen, Lisa; Lorentzen, Lisa. (1982) A method for convergence acceleration of continued fractions K(a(n)/1). Lecture notes in mathematics
    Academic article

Journal publications

  • Lorentzen, Lisa. (2016) Convergence of Random Continued Fractions and Random Iterations of Möbius Transformations. Contemporary Mathematics - American Mathematical Society
    Academic article
  • Lorentzen, Lisa. (2015) A convergence theorem for random continued fractions. Journal of Approximation Theory
    Academic article
  • Lorentzen, Lisa. (2014) Convergence of random continued fractions. Contemporary Mathematics - American Mathematical Society
    Academic article
  • Lorentzen, Lisa. (2013) Limiting Behavior of Random Continued Fractions. Constructive approximation
    Academic article
  • Lorentzen, Lisa. (2012) Matematikk og skjønnhet. Klassekampen
    Popular scientific article
  • Lorentzen, Lisa. (2012) 3 kjappe. Dag og Tid
    Academic article
  • Lorentzen, Lisa. (2010) Pade approximation and continued fractions. Applied Numerical Mathematics
    Academic article
  • Lorentzen, Lisa. (2009) Continued Fractions. TUCS General Publications
    Academic literature review
  • Lorentzen, Lisa. (2008) Continued fractions with circular twin value sets. Transactions of the American Mathematical Society
    Academic article
  • Lorentzen, Lisa. (2008) Convergence and divergence of the Ramanujan AGM fraction. The Ramanujan Journal
    Academic article
  • Lorentzen, Lisa. (2008) Continued fractions with circular twin value sets. Transactions of the American Mathematical Society
    Academic article
  • Lorentzen, Lisa. (2008) An idea on some of Ramanujans continued fraction identities. The Ramanujan Journal
    Academic article
  • Lorentzen, Lisa. (2008) Convergence and divergence of the Ramanujan AGM fraction. The Ramanujan Journal
    Academic article
  • Lorentzen, Lisa. (2008) Fasinasjon, undring, matematikk og Ramanujan. P2-Akademiet
    Popular scientific article
  • Lorentzen, Lisa. (2007) Mobius transformations mapping the unit disk into itself. The Ramanujan Journal
    Academic article
  • Gynnild, Vidar; Tyssedal, John Sølve; Lorentzen, Lisa. (2005) Approaches to Study and the Quality of Learning. Some Empirical Evidence from Engineering Education. International Journal of Science and Mathematics Education
    Academic article
  • Lorentzen, Lisa. (2005) Biography of Olav Njastad. Journal of Computational and Applied Mathematics
    Reader opinion piece
  • Lorentzen, Lisa; Rønning, Frode; Waadeland, Haakon. (2005) Proceedings of the Conference on Orthogonal Functions and Related Topics - Held in honor of Olav Njastad - Roros, Norway, 12-16 August 2003 - Preface. Journal of Computational and Applied Mathematics
    Reader opinion piece
  • Beardon, Alan F.; Lorentzen, Lisa. (2004) Continued fractions and restrained sequences of Mobius maps. Rocky Mountain Journal of Mathematics
    Academic article
  • Lorentzen, Lisa; Beardon, Alan F.. (2004) Continued fractions and restrained sequences of Möbius maps. Rocky Mountain Journal of Mathematics
    Academic article
  • Lorentzen, Lisa. (2003) Historien rundt en historie. Skrifter
    Academic article
  • Lorentzen, Lisa. (2003) General convergence in quasi-normal families. Proceedings of the Edinburgh Mathematical Society
    Academic article
  • Lorentzen, Lisa. (2003) A priori truncation error bounds for continued fractions. Rocky Mountain Journal of Mathematics
    Academic article
  • Lorentzen, Lisa. (2002) Convergence of limit periodic continued fractions K(a_n/1) where a_n->-1/4. Part IV. Constructive approximation
    Academic article
  • Lorentzen, Lisa. (2002) Convergence of corresponding continued fractions. Number Theory for the Millenium II
    Academic article
  • Lorentzen, Lisa. (2001) Ramanujan and magic squares. Forays 2001, Dept. of Math. IIT Madras
    Popular scientific article
  • Lorentzen, Lisa; Waadeland, Haakon. (2001) Computation of the Circumference of an Ellipse. Communications in the Analytic Theory of Continued Fractions
    Academic article
  • Lorentzen, Lisa. (2001) Recurrence relations in continued fraction theory. Analysis and Its Applications
    Academic article
  • Lorentzen, Lisa; Beardon, Alan. (2001) Approximants of Sleszynski-Pringsheim continued fractions. Journal of Computational and Applied Mathematics
    Academic article
  • Lorentzen, Lisa; Lubinsky, Doron S.. (2001) Convergence versus correspondence for sequences of rational functions. Indagationes mathematicae
    Academic article
  • Lorentzen, Lisa. (2000) Ideas from continued fraction theory extended to Padé approximation and generalized iteration. Acta Applicandae Mathematicae - An International Survey Journal on Applying Mathematics and Mathematical Applications
    Academic article
  • Lorentzen, Lisa. (1999) Convergence of Compositions of Self-Mappings. Annales Universitatis Mariae Curie-Sklodowska. Sectio A. Mathematica
    Academic article
  • Lorentzen, Lisa. (1999) Convergence Criteria for Continued Fractions K(an/1) based on Value Sets. Contemporary Mathematics - American Mathematical Society
    Academic article
  • Lorentzen, Lisa. (1999) Convergence criteria for continued fractions K(an/1) based on value sets. Contemporary Mathematics - American Mathematical Society
    Academic article
  • Lorentzen, Lisa. (1996) Continued Compositions of Linear Fractional Transformations. Journal of Mathematical Analysis and Applications
    Academic article
  • Lorentzen, Lisa. (1996) Asymptotic Behavior of Solutions of Three-Term Poincare Difference Equations with Applications. Rocky Mountain Journal of Mathematics
    Academic article
  • Lorentzen, Lisa. (1995) Computation of limit periodic continued fractions : a survey. Numerical Algorithms
    Academic article
  • Lorentzen, Lisa. (1995) A Convergence Question Inspired by Stieltjes and by Value Sets in Continued Fraction Theory. Journal of Computational and Applied Mathematics
    Academic article
  • Lorentzen, Lisa. (1995) Pertubations of Linear Recurrence Relations. Computational Methods and Functions Theory : proceedings
    Academic article
  • Lorentzen, Lisa. (1995) Srinivasa Ramanujan. Mannen og matematikeren - noen refleksjoner. SYMMETRI - Nordic Journal for Physics and Mathematics
    Academic article
  • Lorentzen, Lisa. (1994) A convergence property for sequences of linear fractional transformations. Lecture Notes in Pure and Applied Mathematics
    Academic article
  • Lorentzen, Lisa. (1994) Properties of limit sets and convergence of continued fractions. Journal of Mathematical Analysis and Applications
    Academic article
  • Lorentzen, Lisa. (1994) Divergence of continued fractions related to hypergeometric series. Mathematics of Computation
    Academic article
  • Lorentzen, Lisa. (1994) Circular Twin Value Sets for Continued Fractions and how they imply Convergence. Lecture Notes in Pure and Applied Mathematics
    Academic article
  • Ruscheweyh, Stephan; Lorentzen, Lisa. (1993) Simple convergence sets for continued fractions K(a_n/1). Journal of Mathematical Analysis and Applications
    Academic article
  • Lorentzen, Lisa. (1993) The closure of convergence sets for continued fractions are convergence sets. Proceedings of the Edinburgh Mathematical Society
    Academic article
  • Lorentzen, Lisa. (1993) A note on separate convergence for continued fractions. Journal of Computational and Applied Mathematics
    Academic article
  • Lorentzen, Lisa. (1993) Analytic continuation of functions given by continued fractions, revisited. Rocky Mountain Journal of Mathematics
    Academic article
  • Lorentzen, Lisa. (1992) Computations of hypergeometric functions by means of continued fractions. Computational and applied mathematics 1 - Algorithms and Theory
    Academic article
  • Lorentzen, Lisa. (1992) Arithmetic operations with regular C-fractions. Numerische Mathematik
    Academic article
  • Lorentzen, Lisa. (1992) Bestness of the parabola theorem for continued fractions. Journal of Computational and Applied Mathematics
    Academic article
  • Lorentzen, Lisa. (1991) Is being near sufficient to inherit?. IMACS Annals on Computing and Applied Mathematics
    Academic article
  • Masson, David R.; Lorentzen, Lisa; Jacobsen, Lisa. (1991) A sequence of best parabola theorems for continued fractions. Rocky Mountain Journal of Mathematics
    Academic article
  • Lorentzen, Lisa. (1991) Is it really old-fashioned to compute hypergeometric functions by means of continued fractions?. IMACS Annals on Computing and Applied Mathematics
    Academic article
  • Lorentzen, Lisa; Jacobsen, Lisa; Masson, David R.. (1990) On the convergence of limit periodic continued fractions K(a(n)/1) where a(n)-> -1/4. Part III. Constructive approximation
    Academic article
  • Lorentzen, Lisa. (1990) Compositions of contractions. Journal of Computational and Applied Mathematics
    Academic article
  • Jacobsen, Lisa; Lorentzen, Lisa. (1990) On the Bauer - Muir transformation for continued fractions and its applications. Journal of Mathematical Analysis and Applications
    Academic article
  • Lorentzen, Lisa; Jacobsen, Lisa. (1990) Orthogonal polynomials, chain sequences, three-term recurrence relations and continued fractions. Lecture notes in mathematics
    Academic article
  • Waadeland, Haakon; Lorentzen, Lisa; Jacobsen, Lisa. (1990) An asymptotic property for tails of limit periodic continued fractions. Rocky Mountain Journal of Mathematics
    Academic article
  • Waadeland, Haakon; Thron, W. J.; Lorentzen, Lisa. (1989) Julius Worpitzky, his contributions to analytic theory of continued fractions and his times. Lecture notes in mathematics
    Academic article
  • Berndt, Bruce; Andrews, George; Lamphere, Robert L.; Lorentzen, Lisa; Jacobsen, Lisa. (1989) Variations on the Rogers-Ramanujan Continued Fraction in Ramanujan's Notebooks. Lecture notes in mathematics
    Academic article
  • Waadeland, Haakon; Thron, W.J.; Lorentzen, Lisa; Jacobsen, Lisa. (1989) Some observations on the distribution of values of continued fractions. Numerische Mathematik
    Academic article
  • Lorentzen, Lisa; Jacobsen, Lisa. (1989) Domains of validity for some of Ramanujan's continued fraction formulas. Journal of Mathematical Analysis and Applications
    Academic article
  • Waadeland, Haakon; Lorentzen, Lisa; Jacobsen, Lisa. (1989) When does f(z) have a regular C-fraction expansion or a normal Padé table?. Journal of Computational and Applied Mathematics
    Academic article
  • Waadeland, Haakon; Lorentzen, Lisa; Jacobsen, Lisa. (1989) A result on nearness of functions and their regular C-fraction expansions. Proceedings of the American Mathematical Society
    Academic article
  • Lorentzen, Lisa; Jacobsen, Lisa. (1988) Approximants for functions represented by limit periodic continued fractions. Constructive Theory for Functions '87.
    Academic article
  • Lorentzen, Lisa; Jacobsen, Lisa. (1988) Meromorphic continuation of functions given by limit k-periodic continued fractions. Applied Numerical Mathematics
    Academic article
  • Lorentzen, Lisa; Jacobsen, Lisa. (1988) Remarks to a definition of convergence acceleration illustrated by means of continued fractions K(a(n)/1) where a(n) -> 0. Journal of Computational and Applied Mathematics
    Academic article
  • Waadeland, Haakon; Lorentzen, Lisa. (1988) Convergence acceleration of limit periodic continued fractions under asymptotic side conditions. Numerische Mathematik
    Academic article
  • Lorentzen, Lisa; Jacobsen, Lisa. (1988) Uniform convergence of limit periodic generalized continued fractions. Analysis
    Academic article
  • Jacobsen, Lisa; Lorentzen, Lisa; Levrie, Paul. (1988) Convergence acceleration for generalized continued fractions. Transactions of the American Mathematical Society
    Academic article
  • Lorentzen, Lisa; Jacobsen, Lisa; Verdonk, Brigitte; Cuyt, Annie. (1988) Instability and modification of Thiele interpolating continued fractions. Applied Numerical Mathematics
    Academic article
  • Bruin, Marcel G. de; Jacobsen, Lisa; Lorentzen, Lisa. (1987) Modification of generalised continued fractions I. Lecture notes in mathematics
    Academic article
  • Thron, W.J.; Jacobsen, Lisa; Lorentzen, Lisa. (1987) Limiting structures for sequences of linear fractional transformations. Proceedings of the American Mathematical Society
    Academic article
  • Jacobsen, Lisa; Lorentzen, Lisa. (1987) Nearness of continued fractions. Mathematica Scandinavica
    Academic article
  • Jacobsen, Lisa; Lorentzen, Lisa. (1987) General correspondence for continued fractions. Journal of Computational and Applied Mathematics
    Academic article
  • Waadeland, Haakon; Jones, William B.; Lorentzen, Lisa; Jacobsen, Lisa. (1987) Convergence acceleration for continued fractions K(a(n)/1) where a(n) -> infinity. Lecture notes in mathematics
    Academic article
  • Ruscheweyh, Stephan; Jacobsen, Lisa; Lorentzen, Lisa. (1987) On the domain of meromorphy of limit k-periodic continued fractions. Archiv der Mathematik
    Academic article
  • Lorentzen, Lisa; Jacobsen, Lisa. (1987) Convergence of limit k-periodic continued fractions in the hyperbolic or loxodromic case. Skrifter
    Academic article
  • Jacobsen, Lisa; Lorentzen, Lisa. (1986) General convergence of continued fractions. Transactions of the American Mathematical Society
    Academic article
  • Waadeland, Haakon; Jacobsen, Lisa; Lorentzen, Lisa. (1986) Three computational aspects of continued fraction / Padé approximants. IMACS Transactions on Scientific Computation
    Academic article
  • Waadeland, Haakon; Lorentzen, Lisa. (1986) Even and odd parts of limit periodic continued fractions. Journal of Computational and Applied Mathematics
    Academic article
  • Jacobsen, Lisa; Lorentzen, Lisa. (1986) Composition of linear fractional transformations in terms of tail sequences. Proceedings of the American Mathematical Society
    Academic article
  • Jacobsen, Lisa; Lorentzen, Lisa. (1986) On the convergence of limit periodic continued fractions K(a(n)/1) where a(n) -> -1/4. II. Lecture notes in mathematics
    Academic article
  • Jacobsen, Lisa; Thron, W.J.; Lorentzen, Lisa. (1986) Oval convergence regions and circular limit regions for continued fractions K(a(n)/1). Lecture notes in mathematics
    Academic article
  • Jacobsen, Lisa; Lorentzen, Lisa. (1986) A theorem on simple convergence regions for continued fractions K(a(n)/1). Lecture notes in mathematics
    Academic article
  • Waadeland, Haakon; Jones, William B.; Jacobsen, Lisa; Lorentzen, Lisa. (1986) Further results on the computation of the incomplete gamma functions. Lecture notes in mathematics
    Academic article
  • Bruin, Marcel G. de; Jacobsen, Lisa; Lorentzen, Lisa. (1985) The dominance concept for linear reccurence relations with applications to continued fractions. Nieuw Archief voor Wiskunde
    Academic article
  • Jacobsen, Lisa; Lorentzen, Lisa. (1985) Functions defined by continued fractions. Meromorphic continuation. Rocky Mountain Journal of Mathematics
    Academic article
  • Jacobsen, Lisa; Lorentzen, Lisa. (1985) Domains of functions represented by periodic continued fractions. Skrifter
    Academic article
  • Jacobsen, Lisa; Lorentzen, Lisa. (1985) Convergence of limit k-periodic continued fractions K(a(n)/b(n)) and of subsequences of their tails. Proceedings of the London Mathematical Society
    Academic article
  • Jacobsen, Lisa; Lorentzen, Lisa. (1985) Regions for right and wrong tails. Skrifter
    Academic article
  • Jacobsen, Lisa; Lorentzen, Lisa. (1985) Repeated modifications of limit k-periodic continued fractions. Numerische Mathematik
    Academic article
  • Waadeland, Haakon; Jacobsen, Lisa; Lorentzen, Lisa. (1985) Three computational aspects of continued fraction / Padé approximants. IMACS World Congress Proceedings
    Academic article
  • Waadeland, Haakon; Lorentzen, Lisa. (1985) Glimt fra analytisk teori for kjedebrøker I. Normat
    Popular scientific article
  • Waadeland, Haakon; Lorentzen, Lisa. (1985) Glimt fra analytisk teori for kjedebrøker II. Normat
    Popular scientific article
  • Magnus, Arne; Jacobsen, Lisa; Lorentzen, Lisa. (1984) On the convergence of limit periodic continued fractions K(a(n)/1) where a(n) -> -1/4. Lecture notes in mathematics
    Academic article
  • Waadeland, Haakon; Jacobsen, Lisa; Lorentzen, Lisa. (1984) Modification of continued fractions. Lecture notes in mathematics
    Academic article
  • Jacobsen, Lisa; Lorentzen, Lisa. (1984) Further results on convergence acceleration for continued fractions K(a(n)/1). Transactions of the American Mathematical Society
    Academic article
  • Jacobsen, Lisa; Lorentzen, Lisa. (1983) Convergence acceleration and analytic continuation by means of modifications of continued fractions. Skrifter
    Academic article
  • Jacobsen, Lisa; Lorentzen, Lisa. (1983) Convergence acceleration for continued fractions K(a(n)/1). Transactions of the American Mathematical Society
    Academic article
  • Lorentzen, Lisa; Jacobsen, Lisa. (1983) Modified approximants for continued fractions. Construction and application. Skrifter
    Academic article
  • Jacobsen, Lisa; Lorentzen, Lisa. (1982) Some periodic sequences of circular convergence regions. Lecture notes in mathematics
    Academic article
  • Waadeland, Haakon; Jacobsen, Lisa; Lorentzen, Lisa. (1982) Some useful formulas involving tails of continued fractions. Lecture notes in mathematics
    Academic article
  • Jacobsen, Lisa; Lorentzen, Lisa. (1982) A method for convergence acceleration of continued fractions K(a(n)/1). Lecture notes in mathematics
    Academic article

Books

  • Lorentzen, Lisa; Hole, Arne; Lindstrøm, Tom. (2015) Kalkulus med én og flere variable (2. utgave). Universitetsforlaget Universitetsforlaget
    Textbook
  • Lorentzen, Lisa. (2012) Hva er matematikk. Universitetsforlaget Universitetsforlaget
    Popular scientific book
  • Lorentzen, Lisa. (2010) Kalkulus for Ingeniører. Kort og Godt. Universitetsforlaget Universitetsforlaget
    Textbook
  • Lorentzen, Lisa; Waadeland, Haakon. (2008) Continued Fractions. Vol.1: Convergence Theory. World Scientific World Scientific
    Academic monograph
  • Lorentzen, Lisa; Hole, Arne; Lindstrøm, Tom. (2003) Kalkulus med en og flere variabler. Universitetsforlaget Universitetsforlaget
    Textbook
  • Lindstrøm, Tom; Hole, Arne; Lorentzen, Lisa. (2003) Kalkulus med en og flere variabler. Universitetsforlaget Universitetsforlaget
    Textbook
  • Lorentzen, Lisa; Njåstad, Olav; Rønning, Frode. (1999) Continued fractions and geometric function theory. Conference held in Trondheim, Norway, June 24-28, 1997 in honor of Haakon Waadeland on occasion his 70th birthday. Elsevier Science Publisher Elsevier Science Publisher
    Non-fiction book
  • Lorentzen, Lisa; Njåstad, Olav; Rønning, Frode. (1999) Continued fractions and geometric function theory. Conference held in Trondheim, Norway, June 24-28, 1997 in honor of Haakon Waadeland on occasion his 70th birthday. Elsevier Elsevier
    Non-fiction book
  • Jacobsen, Lisa; Lamphere, Robert L.; Berndt, Bruce; Andrews, George; Lorentzen, Lisa. (1993) The continued fractions found in the unorganized portions of Ramanujan's notebooks. AMS AMS
    Academic monograph
  • Lorentzen, Lisa; Waadeland, Haakon. (1992) CONTINUED FRACTIONS WITH APPLICATIONS. North-Holland, Elsevier Science Publishers B.V. North-Holland, Elsevier Science Publishers B.V.
    Academic monograph
  • Lorentzen, Lisa; Jacobsen, Lisa. (1989) Analytic Theory of Continued Fractions III. Proceedings, Redstone 1988. Springer-Verlag Springer-Verlag
    Non-fiction book

Part of book/report

  • Lorentzen, Lisa. (2013) Continued Fractions, Why and How.
    Academic chapter/article/Conference paper
  • Lorentzen, Lisa. (2013) Recurrence Relations.
    Academic chapter/article/Conference paper
  • Lorentzen, Lisa. (1998) Continued Compositions of Self-Mappings.
    Academic chapter/article/Conference paper
  • Lorentzen, Lisa. (1994) Litt av hvert om kjedebrøk.
    Academic chapter/article/Conference paper
  • Lorentzen, Lisa. (1993) Litt av hvert om kjedebrøk.
    Academic chapter/article/Conference paper

Report

  • Lorentzen, Lisa. (2003) Grandfather clocks, grand pianos and continued fractions. Yeung-Nam University Yeung-Nam University
    Report
  • Tveitereid, Morten; Lorentzen, Lisa; Reikerås, Elin; Jorde, Doris. (1997) Tiltak for å styrke matematikk, naturvitenskap og teknologi i norsk utdanning. Sluttrapport fra arbeidsgruppe nedsatt av Kirke-, utdannings-og forskningsdepartementet. Kirke-, utdannings- og forskningsdepartementet Kirke-, utdannings- og forskningsdepartementet
    Report
  • Tveitereid, Morten; Lorentzen, Lisa; Reikerås, Elin Kristi Lie; Jorde, Doris. (1997) Tiltak for å styrke matematikk, naturvitenskap og teknologi i norsk utdanning. Sluttrapport fra arbeidsgruppe nedsatt av Kirke-, utdannings-og forskningsdepartementet. Kirke-, utdannings- og forskningsdepartementet Kirke-, utdannings- og forskningsdepartementet
    Report
  • Lorentzen, Lisa; Waadeland, Haakon. (1991) A Taste of Continued Fractions. University of Trondheim University of Trondheim
    Report

UTSTILLING

  • Rokne, Arnfinn Stendahl; Brattli, Terje; Ekrem, Torbjørn; Lorentzen, Lisa; Rossing, Nils Kristian; Cyvin, Øylov Emma. (2010) Vitskap og sanning.
    Museum exhibition

Outreach

2013

  • Lecture
    Lorentzen, Lisa. (2013) Tall, tall og store tall. Universitetsforlagets årlige middag i Trondheim , Trondheim 20.03.2013 -
  • Interview
    Lorentzen, Lisa. (2013) Nytt primtall. NRK P2 Radioselskapet NRK P2 Radioselskapet [Radio] 12.03.2013
  • Interview
    Lorentzen, Lisa. (2013) Onsdagsgjesten. NRK P2 Ekko NRK P2 Ekko [Radio] 13.03.2013

2012

  • Interview
    Lorentzen, Lisa. (2012) Vakre tall. Klartekst, Universitetsforlagets info-blad, nr 2 i 2012 Klartekst, Universitetsforlagets info-blad, nr 2 i 2012 [Journal] 10.11.2012
  • Interview
    Lorentzen, Lisa. (2012) Siste side. Dagens Næringsliv Dagens Næringsliv [Journal] 28.11.2012
  • Interview
    Lorentzen, Lisa. (2012) Skjønnheten i å skjønne. Universitetsavisa, organ ved NTNU Universitetsavisa, organ ved NTNU [Journal] 28.11.2012
  • Interview
    Lorentzen, Lisa. (2012) Å se det enkle i det kompliserte, det er skjønnhet. Infomat (Norsk Matematisk Forenings informasjonsblad) Infomat (Norsk Matematisk Forenings informasjonsblad) [Journal] 30.11.2012
  • Academic lecture
    Lorentzen, Lisa. (2012) Random continued fractions. Ramanujan 125 , Gainesville, Florida 04.11.2012 - 07.11.2012
  • Academic lecture
    Lorentzen, Lisa. (2012) Convergence and divergence of continued fractions. Gjest ved universitetet i Eichstätt , Eichstätt 04.07.2012 - 04.07.2012
  • Academic lecture
    Lorentzen, Lisa. (2012) What can you see from pictures of continued fractions?. Gjest ved universitetet i Würzburg , Würzburg 10.07.2012 - 10.07.2012
  • Lecture
    Lorentzen, Lisa. (2012) Hva er matematikk?. Boklansering hos Tapir , Tapir, Dragvoll, Trondheim 28.11.2012 - 28.11.2012
  • Lecture
    Lorentzen, Lisa. (2012) Matematikk ... ?. Motivasjonsseminar for elever i vgs , Preikestolhytta utenfor Stavanger 26.09.2012 - 27.09.2012
  • Lecture
    Lorentzen, Lisa. (2012) Hva er matematikk?. Novemberkonferansen , Gløshaugen, Trondheim 28.11.2012 - 28.11.2012
  • Academic lecture
    Lorentzen, Lisa. (2012) Data graphics and research on continued fractions. Gjest ved universitetet i Freiberg , Universität Freiberg, Freiberg 21.06.2012 - 21.06.2012

2008

  • Academic lecture
    Lorentzen, Lisa. (2008) Limit periodic continued fractions. CMFT , Guwahati 04.01.2008 - 10.01.2008
  • Academic lecture
    Lorentzen, Lisa. (2008) The parabola theorem in continued fraction theory. CMFT , Guwahati 04.01.2008 - 10.01.2008
  • Academic lecture
    Lorentzen, Lisa. (2008) Ramanujan and his continued fractions. Invitert foredrag ved "Rolling Waves in Leuven 2008" , Leuven 15.12.2008 - 17.12.2008
  • Interview
    Lorentzen, Lisa. (2008) Den japanske matematikeren Seki Kowa. NRK NRK [Radio] 30.10.2008
  • Interview
    Lorentzen, Lisa. (2008) Den store klassefesten. NRK NRK [TV] 31.01.2008
  • Academic lecture
    Lorentzen, Lisa. (2008) Convergence of linear fractional transformations. CMFT , Guwahati 04.01.2008 - 10.01.2008
  • Academic lecture
    Lorentzen, Lisa. (2008) Ramanujan's first continued fractions. CMFT , Guwahati 04.01.2008 - 10.01.2008
  • Academic lecture
    Lorentzen, Lisa. (2008) Continued fractions, how and why. CMFT Workshop at Guwahati , Guwahati 04.01.2008 - 10.01.2008
  • Lecture
    Lorentzen, Lisa. (2008) Hvordan unngå å stryke i matematikk. Klassens time , NTNU, Trondheim 10.09.2008 - 10.09.2008
  • Lecture
    Lorentzen, Lisa. (2008) Eventyret Ramanujan. Rekruttering til NTNU , Trondheim 01.01.2008 - 31.12.2008

2006

  • Academic lecture
    Lorentzen, Lisa. (2006) Continued fractions with circular twin value sets. The annual joint meeting AMS and MAA , San Antonio, Texas 12.01.2006 - 14.01.2006

2005

  • Lecture
    Lorentzen, Lisa; Waadeland, Carl Haakon. (2005) Musikk og kjedebrøker: 5-toners, 12-toners og 41-toners skala. Det Kongelige Norske Videnskabers Selskab møte , Trondheim 12.12.2005 - 12.12.2005
  • Academic lecture
    Lorentzen, Lisa. (2005) A conjecture in continued fraction theory. Computational Methods and Function Theory , Joensuu 13.06.2005 - 18.06.2005
  • Academic lecture
    Lorentzen, Lisa. (2005) Convergence of continued fractions with simple value sets. Invitert som gjesteforeleser , Cambridge 13.04.2005 -

2004

  • Academic lecture
    Lorentzen, Lisa. (2004) Flervalgsprøver som vurderingsform. Flervalgsprøver som vurderingsform , NTNU, Trondheim 17.11.2004 - 17.11.2004
  • Lecture
    Lorentzen, Lisa. (2004) Matematikk -- mer enn tall ?. Seminar ved Gosen skole, Stavanger , Stavanger 29.04.2004 - 29.04.2004
  • Academic lecture
    Lorentzen, Lisa. (2004) Continued Fractions - ideas and results. Invitert som gjesteforeleser , Charleston 13.11.2004 - 13.11.2004

2003

  • Academic lecture
    Lorentzen, Lisa. (2003) Vi og kvalitetsreformen. Fagkonferanse for administratorer ved høgskoler og universiteter , Jektvollen, Innerøya 27.05.2003 - 27.05.2003
  • Academic lecture
    Lorentzen, Lisa. (2003) Undervisning med kvalitetsreformen. Møte for studenttillitsrepresentanter ved universiteter og høgskoler i Norge , NTNU, Trondheim 24.10.2003 - 24.10.2003
  • Academic lecture
    Lorentzen, Lisa. (2003) Tiltak i undervisningen. Nye undervisningsmetoder. NTNUs lederseminar på Røros , Røros 04.02.2003 - 05.02.2003
  • Academic lecture
    Lorentzen, Lisa. (2003) Tiltak i undervisningen -- nye undervisningsmetoder. Undervisning og evaluering i en ny tid , Bergen 29.04.2003 - 30.04.2003
  • Academic lecture
    Lorentzen, Lisa. (2003) Undervisning innenfor kvalitetsreformen. Studiemøte ved Kjemisk Institutt, NTNU , Trondheim 20.05.2003 - 20.05.2003
  • Academic lecture
    Lorentzen, Lisa. (2003) Store fags pedagogikk. Seminar , Trondheim 10.10.2003 - 10.10.2003
  • Academic lecture
    Lorentzen, Lisa. (2003) Convergence of continued fractions is more than it looks like. Erasmus Utveksling , Almería 24.06.2003 - 24.06.2003
  • Academic lecture
    Lorentzen, Lisa. (2003) General convergence in quasi-normal families. The 11th International Conference on Finite and Infinite Dimensional Complex Analysis and Applications , Chiang Mai 27.07.2003 - 31.07.2003
  • Lecture
    Lorentzen, Lisa. (2003) Om å engasjere studenter. Smittende opptreden. ALTUNDs konferanse om inspirert undervisning. , NTNU, Trondheim 07.11.2003 - 07.11.2003
  • Lecture
    Lorentzen, Lisa. (2003) Grandfather clocks, grand pianos and continued fractions. Summer School for teachers , Daegu 18.07.2003 - 18.07.2003

2002

  • Academic lecture
    Lorentzen, Lisa. (2002) Matematikk -- et problemfag?. FUS-seminar , Selbusjøen Hotell 29.08.2002 - 30.08.2002
  • Lecture
    Lorentzen, Lisa. (2002) Matematikk kan brukes til noe. Gjesteforelesning , Stavanger 29.04.2002 - 29.04.2002
  • Lecture
    Lorentzen, Lisa. (2002) En historie rundt en historie. Møte i Det Kongelige Norske Videnskabers Selskab , Trondheim 18.03.2002 - 18.03.2002

2001

  • Academic lecture
    Lorentzen, Lisa. (2001) Convergence of Continued Fractions is more than it looks like. SANUM2001 , Stellenbosch 09.04.2001 - 11.04.2001
  • Academic lecture
    Lorentzen, Lisa. (2001) Accelerating the convergence of some Stieltjes Continued Fractions. Sixth International Symposium on Orthogonal Polynomials, Special Functions and Applications , Roma 18.06.2001 - 22.06.2001
  • Academic lecture
    Lorentzen, Lisa. (2001) Computation of Continued Fractions. 2001: A Mathematics Odyssey , Grand Junction, Colorado 06.08.2001 - 10.08.2001

2000

  • Academic lecture
    Lorentzen, Lisa. (2000) Ramanujan and continued fractions. Gjesteforelesning , Chennai 14.12.2000 - 14.12.2000
  • Academic lecture
    Lorentzen, Lisa. (2000) Continued fraction techniques and Ramanujan's continued fraction results. Gjesteforelesning , Chennai 10.12.2000 - 10.12.2000
  • Academic lecture
    Lorentzen, Lisa. (2000) Generell konvergens i kvasinormale familier. Analyseseminaret ved IMF, NTNU , Trondheim 11.02.2000 - 11.02.2000
  • Academic lecture
    Lorentzen, Lisa. (2000) Continued fraction techniques. Analytic functions , Chennai 03.12.2000 - 07.12.2000
  • Academic lecture
    Lorentzen, Lisa. (2000) Convergence of continued fractions and sequences of functions. Gjesteforelesning , Chennai 16.12.2000 - 16.12.2000
  • Academic lecture
    Lorentzen, Lisa. (2000) Matematikk er et morsomt, spennende og nyttig fag -- eller er det ikke det?. Matematikk og pedagogikk , Sogndal 25.10.2000 - 25.10.2000
  • Academic lecture
    Lorentzen, Lisa. (2000) Modern Theory of Continued Fractions. International Conference on Analysis and Its Applications , Chennai 06.12.2000 - 09.12.2000
  • Academic lecture
    Lorentzen, Lisa. (2000) General Convergence in Quasi-Normal Families. Planar Harmonic Mappings , Haifa 07.01.2000 - 13.01.2000
  • Academic lecture
    Lorentzen, Lisa. (2000) Convergence of Continued Fractions. Millennial Conference on Number Theory , Urbana-Champaign, Illinois 20.05.2000 - 26.05.2000

1999

  • Academic lecture
    Lorentzen, Lisa. (1999) Hva gjør en matematiker. Gjesteforelesning , Bergen 09.02.1999 - 10.02.1999
  • Academic lecture
    Lorentzen, Lisa. (1999) Convergence of continued fractions and other processes based on generalized iteration. International Conference on Rational Approximation , Antwerpen 06.06.1999 - 11.06.1999
  • Academic lecture
    Lorentzen, Lisa. (1999) Some ideas from continued fraction theory. Rational Approximation , Antwerpen 07.06.1999 - 11.06.1999
  • Academic lecture
    Lorentzen, Lisa. (1999) Convergence of continued fractions is more than it looks like. Gjesteforelesning , Ulm 27.11.1999 - 27.11.1999
  • Academic lecture
    Lorentzen, Lisa. (1999) Continued fractions and other infinite structures. Gjesteforelesning , Freiberg 29.11.1999 - 29.11.1999
  • Academic lecture
    Lorentzen, Lisa. (1999) Continued compositions. Analytic Functions , Iasi 23.08.1999 - 27.08.1999
  • Academic lecture
    Lorentzen, Lisa. (1999) Convergence of sequences of analytic functions. Gjesteforelesning , Würzburg 03.10.1999 - 03.10.1999

1998

  • Lecture
    Lorentzen, Lisa. (1998) Ramanujan. Excenter aften på Studentersamfundet , Trondheim 24.09.1998 - 24.09.1998
  • Academic lecture
    Lorentzen, Lisa. (1998) Convergence of compositions of self-mappings. XII Conference on Analytic functions , Lublin 30.08.1998 - 04.09.1998
  • Academic lecture
    Lorentzen, Lisa. (1998) Kan historie lede til regneglede?. Lærerutdanningsmøte , Trondheim 03.08.1998 - 08.08.1998
  • Academic lecture
    Lorentzen, Lisa. (1998) Convergence of continued fractions. Continued fractions: from Analytic Number Theory to Constructive Approximation , Columbia, Missouri 20.05.1998 - 23.05.1998
  • Academic lecture
    Lorentzen, Lisa. (1998) Convergence of continued fractions. Continued fractions: from analytic number theory to constructive approximation , Columbia, Missouri 20.05.1998 - 23.05.1998
  • Academic lecture
    Lorentzen, Lisa. (1998) Kan historie lede til regneglede? En matematiker blar i historiebøker. Ny lærerutdanning -- ny giv i matematikkfaget , Trondheim 20.06.1998 - 25.06.1998
  • Academic lecture
    Lorentzen, Lisa. (1998) A convergence question for self mappings. XII Conference on Analytic Functions , Lublin 31.08.1998 - 04.09.1998

1996

  • Academic lecture
    Lorentzen, Lisa. (1996) Bruk av IT i matematikken. Fra fiende til venn?. Kreativ bruk av datateknikk i undervisningen , Trondheim 23.01.1996 - 23.01.1996
  • Academic lecture
    Lorentzen, Lisa. (1996) Convergence of continued fractions. The Rolls Final Meeting , Leipzig 01.11.1996 - 04.11.1996
  • Academic lecture
    Lorentzen, Lisa. (1996) Convergence of continued fractions. Orthogonal Functions, Moment Theory, Padé Approximants and Applications , São José 19.06.1996 - 28.06.1996
  • Academic lecture
    Lorentzen, Lisa. (1996) Bruk av IT i matematikk. Fra fiende til venn. pedagogisk forum , NTNU, Dragvoll, Trondheim 23.01.1996 - 23.01.1996

1995

  • Academic lecture
    Lorentzen, Lisa. (1995) Continued Compositions. AMC-95: The second Asian Mathematical Conference , Nakhon Ratchasima 17.10.1995 - 20.10.1995

1994

  • Academic lecture
    Lorentzen, Lisa. (1994) Asymptotic behavior of solutions of Poincare difference equations. Conference on Analytic Theory of continued Fractions and Related Subjects , Boulder, Colorado 10.07.1994 - 29.07.1994
  • Academic lecture
    Lorentzen, Lisa. (1994) The Parabola Theorem Revisited. Analytic Theory of Continued Fractions and Related Subjects , Boulder, Colorado 18.07.1994 - 29.07.1994
  • Lecture
    Lorentzen, Lisa. (1994) Derivasjon og integrasjon i historisk perspektiv. Kurs for lærere i den videregående skolen , NTNU, Dragvoll, Trondheim 30.11.1994 - 30.11.1994
  • Academic lecture
    Lorentzen, Lisa. (1994) Asymptotic behavior of solutions of Poincaré difference equations. Gjesteforelesning , Urbana-Champaign, Ohio 08.03.1994 - 08.03.1994
  • Academic lecture
    Lorentzen, Lisa. (1994) Continued Compositions of analytic functions. Gjesteforelesning , Madison, Wisconsin 11.03.1994 - 11.03.1994
  • Academic lecture
    Lorentzen, Lisa. (1994) Convergence of continued fractions. Orthogonality, Moment problems and Continued Fractions. An International Conference in honour of Thomas Jan Stieltjes Jr (1856-1894) , Delft 31.10.1994 - 04.11.1994
  • Academic lecture
    Lorentzen, Lisa. (1994) Asymptotic behavior of solutions of three term Poincare difference equations. International Conference, Computational Methods and Function Theory , Penang 21.03.1994 - 25.03.1994
  • Academic lecture
    Lorentzen, Lisa. (1994) A generalized form of fixed point theorems. Gjesteforelesning , Cincinnati, Ohio 07.01.1994 - 07.01.1994
  • Academic lecture
    Lorentzen, Lisa. (1994) Bounded value sets and convergence of continued fractions. A status report. Continued fractions seminar , Boulder, Colorado 29.07.1994 - 29.07.1994
  • Academic lecture
    Lorentzen, Lisa. (1994) Continued compositions of analytic functions. Gjesteforelesning , Albany, New York 28.01.1994 - 28.01.1994

1993

  • Academic lecture
    Lorentzen, Lisa. (1993) Efficient Computation of Hypergeometric Functions by means of Continued Fractions. Slow Pitch Seminar , Boulder, Colorado 01.12.1993 - 01.12.1993
  • Academic lecture
    Lorentzen, Lisa. (1993) A generalization of fixed point theorems. Kempner Colloquium , Boulder, Colorado 15.11.1993 - 15.11.1993
  • Academic lecture
    Lorentzen, Lisa. (1993) Computation of ratios of hypergeometric functions. Gjesteforelesning , Lubbock, Texas 24.11.1993 - 24.11.1993
  • Academic lecture
    Lorentzen, Lisa. (1993) Separate convergence of continued fractions, part 1. Continued fraction Seminar , Bouklder, Colorado 17.11.1993 - 17.11.1993
  • Academic lecture
    Lorentzen, Lisa. (1993) Separate convergence of continued fractions, part 2. Continued fraction seminar , Boulder, Colorado 24.11.1993 - 24.11.1993

1992

  • Academic lecture
    Lorentzen, Lisa. (1992) The ovals are convergence sets. Continued fractions. Theory and Applications , Loen 17.06.1992 - 24.06.1992
  • Academic lecture
    Lorentzen, Lisa. (1992) Limit sets, pre value sets, value sets and convergence sets for continued fractions. 4. International Symposium on Orthogonal Polynomials and their Applications , Evian 19.10.1992 - 23.10.1992
  • Academic lecture
    Lorentzen, Lisa. (1992) Twin convergence sets for continued fractions. Continued Fractions and Orthogonal Functions: Theory and Applications , Loen 17.06.1992 - 24.06.1992
  • Academic lecture
    Lorentzen, Lisa. (1992) Limit sets and convergence sets for continued fractions K(1/b_n). Continued Fractions and Orthogonal Functions: Theory and Applications , Loen 17.06.1992 - 24.06.1992
  • Academic lecture
    Lorentzen, Lisa. (1992) Analytic self-mappings of the unit disk, inspired by continued fractions. Continued Fractions and Orthogonal Polynomials: Theory and Applications , Loen 17.06.1992 - 24.06.1992

1991

  • Academic lecture
    Lorentzen, Lisa. (1991) Computation of Special functions. 13th IMACS World Congress on Computation and Applied Mathematics , Dublin, Ireland 22.07.1991 - 26.07.1991

1990

  • Academic lecture
    Lorentzen, Lisa. (1990) Arithmetic Operations with Regular C-Fractions. Conference on Approximation Theory , Tampa, Florida 19.03.1990 - 23.03.1990
  • Academic lecture
    Lorentzen, Lisa. (1990) Inheritance of Asymptotic Behavior for Sequences of Orthogonal Polynomials. Third International Symposium on Orthogonal Polynomials and Their Applications , Erice 01.06.1990 - 08.06.1990
  • Academic lecture
    Lorentzen, Lisa. (1990) En kjedebrøkteoretikers syn på Banach's fikspunktteorem. Fellesmøte mellom Svenska Matematikersamfundet og >Norsk Matematisk Forening , Umeå 28.02.1990 - 28.02.1990

1989

  • Academic lecture
    Lorentzen, Lisa. (1989) Continued fractions and orthogonal polynomials. Orthogonal Polynomials and Their Applications , Columbus, Ohio 22.05.1989 - 03.06.1989
  • Academic lecture
    Lorentzen, Lisa. (1989) Continued fractions and their relation to orthogonal polynomials. Computational methods and Function Theory , Valparaiso 13.03.1989 - 18.03.1989
  • Academic lecture
    Lorentzen, Lisa. (1989) Convergence regions for continued fractions. Extrapolation and Rational Approximation , CIRM, Luminy 24.09.1989 - 30.09.1989
  • Academic lecture
    Lorentzen, Lisa. (1989) Orthogonal Polynomials as seen by a continued fractionist. Pade Approximant -- Continued Fraction Mini Conference , Boulder, Colorado 19.06.1989 - 28.06.1989

1988

  • Academic lecture
    Lorentzen, Lisa. (1988) Thiele oscillation and general cinvergence sets. Analytic theory of continued fractions , Redstone, Colorado 26.06.1988 - 05.07.1988
  • Academic lecture
    Lorentzen, Lisa. (1988) Generalizations of a theorem by Roach. Analytic theory of Continued Fractions III , Redstone, Colorado 26.06.1988 - 05.07.1988
  • Academic lecture
    Lorentzen, Lisa. (1988) Filling holes in convergence regions. Analytic Theory of Continued Fractions III , Redstone, Colorado 26.06.1988 - 05.07.1988
  • Academic lecture
    Lorentzen, Lisa. (1988) The closure of a convergence set is a convergence set. Analytic theory of continued fractions III , Redstone, Colorado 26.06.1988 - 05.07.1988
  • Academic lecture
    Lorentzen, Lisa. (1988) The story about an unsolved problem in continued fraction theory. Analytic theory of continued fractions III , Redstone 26.06.1988 - 05.07.1988
  • Academic lecture
    Lorentzen, Lisa. (1988) A sequence of "best" parabola theorems for continued fractions. US/Norway Joint Seminar on Pade Approximants and Related Topics , Boulder, Colorado 21.06.1988 - 25.06.1988
  • Academic lecture
    Lorentzen, Lisa. (1988) Continued Fractions. International Congress on Computational and Applied Mathematics , Leuven 25.07.1988 - 29.07.1988

1987

  • Academic lecture
    Lorentzen, Lisa. (1987) The convergence of continued fractions. Fellesmøte Svensk matematisk Forening og Norsk Matematisk Forening , Trondheim 08.10.1987 - 09.10.1987
  • Academic lecture
    Lorentzen, Lisa. (1987) Computation of Special Functions by means of Continued Fractions -- Improved method. International Conference on Constructive Theory of Functions , Golden Sands (Varna) 25.05.1987 - 31.05.1987
  • Academic lecture
    Lorentzen, Lisa. (1987) Uniform Convergence of Limit Periodic generalized Continued Fractions. Nonlinear Numerical methods and Rational Approximation , Antwerpen 20.04.1987 - 24.04.1987
  • Academic lecture
    Lorentzen, Lisa. (1987) Convergence of corresponding continued fractions. Ramanujan Centenary Conference , Urbana-Champaign, Illinois 01.06.1987 - 05.06.1987

1986

  • Academic lecture
    Lorentzen, Lisa. (1986) Modified Approximants for continued fractions. Intyernational Congress on Computational and Applied Mathematics , Leuven 21.07.1986 - 26.07.1986

1985

  • Academic lecture
    Lorentzen, Lisa. (1985) Modified Approximants for Continued Fractions K(a_n/1) where a_n -> infinity. Convergence Acceleration and Truncation Error Bounds. Rational Approximation and Its Applications in Mathematics and Physics , Lancut 30.06.1985 - 04.07.1985
  • Academic lecture
    Lorentzen, Lisa. (1985) Continued Fractions K(a_n/1) where a_n -> -1/4. Analytic Theory of Continued Fractions 2 , Pitlochry and Aviemore 14.06.1985 - 27.06.1985
  • Academic lecture
    Lorentzen, Lisa. (1985) General Convergence of Continued Fractions. Congress on Extrapolation and Padé Approximation , CIRM, Marseille 14.10.1985 - 18.10.1985
  • Academic lecture
    Lorentzen, Lisa. (1985) I love the parabola theorems. Analytic theory of continued fractions II , Pitlochry 13.06.1985 - 29.06.1985

1984

  • Academic lecture
    Lorentzen, Lisa. (1984) On Solutions of three-term reccurence relations. Den nittende Nordiske matematikkongress , Reykjavik 13.08.1984 - 18.08.1984

1983

  • Academic lecture
    Lorentzen, Lisa. (1983) On the convergence of continued fractions K(a_n/1) where a_n -> -1/4. Rational Approximation and Interpolation , Tampa, Florida 12.12.1983 - 16.12.1983
  • Academic lecture
    Lorentzen, Lisa. (1983) Convergence and value Regions for Modified Approximants of Continued Fractions. Symposium on Numerical Analysis and Computational Complex Analysis , Zürich 15.08.1983 - 17.08.1983
  • Academic lecture
    Lorentzen, Lisa. (1983) Solutions of three-term reccursion relations. Konstruktive Verfahren der Komplexen Analysis , Mathematisches Forschungsinstitut, Oberwolfach 07.08.1983 - 13.08.1983
  • Academic lecture
    Lorentzen, Lisa. (1983) Modification of Continued Fraction, Part 2. Padé Approximation and its Applications , Bad Honnef 07.03.1983 - 10.03.1983

1982

  • Academic lecture
    Lorentzen, Lisa. (1982) Continued Fractions. International Congress of Mathematicians , Warszawa 11.08.1982 - 19.08.1982
  • Academic lecture
    Lorentzen, Lisa. (1982) Convergence Acceleration for Continued Fractions. American Mathematical Society. Summer meeting. , Toronto 21.08.1982 - 26.08.1982
  • Academic lecture
    Lorentzen, Lisa. (1982) Convergence Acceleration by means Modifications of Continued Fractions. Matematikermøte på Køja , Köja 17.09.1982 - 21.09.1982

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