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  1. Employees

Språkvelger

Norsk

Lisa Lorentzen

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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
    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
  • Lorentzen, Lisa. (2013) Limiting Behavior of Random Continued Fractions. Constructive approximation
    Academic article
  • Lorentzen, Lisa. (2013) Recurrence Relations.
    Academic chapter

2012

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

2010

  • Rokne, Arnfinn Stendahl; Brattli, Terje; Ekrem, Torbjørn; Lorentzen, Lisa; Rossing, Nils Kristian; Cyvin, Øylov Emma; Sandbakk, Elin; Eidstumo, Frank; Magnusson, Jan Inge; Gätzschmann, Per. (2010) Vitskap og sanning.
    Exhibition
  • Lorentzen, Lisa. (2010) Kalkulus for Ingeniører. Kort og Godt. 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
    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 science 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
    Commentary
  • 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
    Commentary

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
    Textbook
  • Lindstrøm, Tom; Hole, Arne; Lorentzen, Lisa. (2003) Kalkulus med en og flere variabler. 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
    Research 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 science 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
    Non-fiction monograph
  • 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
    Non-fiction monograph
  • 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

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
    Research 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
    Research 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
  • 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
  • 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
    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.
    Academic monograph

1991

  • Lorentzen, Lisa; Waadeland, Haakon. (1991) A Taste of Continued Fractions. University of Trondheim
    Research 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
    Non-fiction monograph

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 science article
  • Waadeland, Haakon; Lorentzen, Lisa. (1985) Glimt fra analytisk teori for kjedebrøker II. Normat
    Popular science 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. (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. (1994) A convergence property for sequences of linear fractional transformations. Lecture Notes in Pure and Applied 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
  • 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. (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. (2001) Ramanujan and magic squares. Forays 2001, Dept. of Math. IIT Madras
    Popular science 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
  • Lorentzen, Lisa. (1995) Computation of limit periodic continued fractions : a survey. Numerical Algorithms
    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. (2005) Biography of Olav Njastad. Journal of Computational and Applied Mathematics
    Commentary
  • 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; Waadeland, Haakon. (2001) Computation of the Circumference of an Ellipse. Communications in the Analytic Theory of Continued Fractions
    Academic article
  • Lorentzen, Lisa; Jacobsen, Lisa. (1988) Approximants for functions represented by limit periodic continued fractions. Constructive Theory for Functions '87.
    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; 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. (2003) Historien rundt en historie. Skrifter
    Academic article
  • Lorentzen, Lisa. (1991) Is being near sufficient to inherit?. IMACS Annals on Computing and Applied Mathematics
    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
  • 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. (1990) Compositions of contractions. Journal of Computational and Applied Mathematics
    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
  • 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. (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. (1988) Uniform convergence of limit periodic generalized continued fractions. Analysis
    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
  • 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
  • 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. (2001) Recurrence relations in continued fraction theory. Analysis and Its Applications
    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
  • Lorentzen, Lisa. (2016) Convergence of Random Continued Fractions and Random Iterations of Möbius Transformations. Contemporary Mathematics - American Mathematical Society
    Academic article
  • Lorentzen, Lisa. (1994) Properties of limit sets and convergence of continued fractions. Journal of Mathematical Analysis and Applications
    Academic article
  • Lorentzen, Lisa. (2012) Matematikk og skjønnhet. Klassekampen
    Popular science article
  • Lorentzen, Lisa. (2012) 3 kjappe. Dag og Tid
    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. (1994) Divergence of continued fractions related to hypergeometric series. Mathematics of Computation
    Academic article
  • Lorentzen, Lisa. (1993) Analytic continuation of functions given by continued fractions, revisited. Rocky Mountain Journal of Mathematics
    Academic article
  • Beardon, Alan F.; Lorentzen, Lisa. (2004) Continued fractions and restrained sequences of Mobius maps. Rocky Mountain Journal of Mathematics
    Academic article
  • Lorentzen, Lisa. (2003) General convergence in quasi-normal families. Proceedings of the Edinburgh Mathematical Society
    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) A priori truncation error bounds for continued fractions. Rocky Mountain Journal of Mathematics
    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. (2007) Mobius transformations mapping the unit disk into itself. The Ramanujan Journal
    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. (1994) Circular Twin Value Sets for Continued Fractions and how they imply Convergence. Lecture Notes in Pure and Applied Mathematics
    Academic article
  • Lorentzen, Lisa. (1995) Srinivasa Ramanujan. Mannen og matematikeren - noen refleksjoner. SYMMETRI - Nordic Journal for Physics and Mathematics
    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; 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
    Commentary
  • Lorentzen, Lisa. (2010) Pade approximation and continued fractions. Applied Numerical 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; 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. (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. (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
  • Jacobsen, Lisa; Lorentzen, Lisa. (1986) General convergence of continued fractions. Transactions of the American Mathematical Society
    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
  • 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
  • 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. (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. (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
  • 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
  • Waadeland, Haakon; Jacobsen, Lisa; Lorentzen, Lisa. (1984) Modification of continued fractions. Lecture notes in mathematics
    Academic article
  • Waadeland, Haakon; Jacobsen, Lisa; Lorentzen, Lisa. (1986) Three computational aspects of continued fraction / Padé approximants. IMACS Transactions on Scientific Computation
    Academic article
  • Jacobsen, Lisa; Lorentzen, Lisa. (1987) General correspondence for continued fractions. Journal of Computational and Applied Mathematics
    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. (1982) A method for convergence acceleration of continued fractions K(a(n)/1). Lecture notes in 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
  • Lorentzen, Lisa; Jacobsen, Lisa. (1983) Modified approximants for continued fractions. Construction and application. Skrifter
    Academic article
  • Waadeland, Haakon; Lorentzen, Lisa. (1986) Even and odd parts of limit periodic continued fractions. Journal of Computational and Applied 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
  • 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. (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
  • 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) 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
  • 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
  • Lorentzen, Lisa. (1999) Convergence criteria for continued fractions K(an/1) based on value sets. Contemporary Mathematics - American Mathematical Society
    Academic article
  • Lorentzen, Lisa. (2013) Limiting Behavior of Random Continued Fractions. Constructive approximation
    Academic article
  • Lorentzen, Lisa. (2008) Fasinasjon, undring, matematikk og Ramanujan. P2-Akademiet
    Popular science article
  • Lorentzen, Lisa. (2009) Continued Fractions. TUCS General Publications
    Academic literature review
  • Waadeland, Haakon; Lorentzen, Lisa. (1985) Glimt fra analytisk teori for kjedebrøker I. Normat
    Popular science article
  • Waadeland, Haakon; Lorentzen, Lisa. (1985) Glimt fra analytisk teori for kjedebrøker II. Normat
    Popular science article

Artistic productions

  • Rokne, Arnfinn Stendahl; Brattli, Terje; Ekrem, Torbjørn; Lorentzen, Lisa; Rossing, Nils Kristian; Cyvin, Øylov Emma; Sandbakk, Elin; Eidstumo, Frank; Magnusson, Jan Inge; Gätzschmann, Per. (2010) Vitskap og sanning.
    Exhibition

Books

  • Lorentzen, Lisa; Hole, Arne; Lindstrøm, Tom. (2003) Kalkulus med en og flere variabler. Universitetsforlaget
    Textbook
  • Lorentzen, Lisa; Waadeland, Haakon. (2008) Continued Fractions. Vol.1: Convergence Theory. World Scientific
    Academic monograph
  • Lorentzen, Lisa; Waadeland, Haakon. (1992) CONTINUED FRACTIONS WITH APPLICATIONS. North-Holland, Elsevier Science Publishers B.V.
    Academic monograph
  • Lindstrøm, Tom; Hole, Arne; Lorentzen, Lisa. (2003) Kalkulus med en og flere variabler. 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
    Non-fiction monograph
  • 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
    Non-fiction monograph
  • Lorentzen, Lisa; Jacobsen, Lisa. (1989) Analytic Theory of Continued Fractions III. Proceedings, Redstone 1988. Springer-Verlag
    Non-fiction monograph
  • Lorentzen, Lisa. (2012) Hva er matematikk. Universitetsforlaget
    Popular science monograph
  • Lorentzen, Lisa. (2010) Kalkulus for Ingeniører. Kort og Godt. Universitetsforlaget
    Textbook
  • 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
    Academic monograph
  • Lorentzen, Lisa; Hole, Arne; Lindstrøm, Tom. (2015) Kalkulus med én og flere variable (2. utgave). Universitetsforlaget
    Textbook

Part of book/report

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

Report

  • Lorentzen, Lisa; Waadeland, Haakon. (1991) A Taste of Continued Fractions. University of Trondheim
    Research 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
    Research 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
    Research report
  • Lorentzen, Lisa. (2003) Grandfather clocks, grand pianos and continued fractions. Yeung-Nam University
    Research report

Outreach

2013

  • Lecture
    Lorentzen, Lisa. (2013) Tall, tall og store tall. Universitetsforlagets årlige middag i Trondheim
  • Interview
    Lorentzen, Lisa. (2013) Nytt primtall.
  • Interview
    Lorentzen, Lisa. (2013) Onsdagsgjesten.

2012

  • Interview
    Lorentzen, Lisa. (2012) Vakre tall.
  • Interview
    Lorentzen, Lisa. (2012) Siste side.
  • Interview
    Lorentzen, Lisa. (2012) Skjønnheten i å skjønne.
  • Interview
    Lorentzen, Lisa. (2012) Å se det enkle i det kompliserte, det er skjønnhet.
  • Conference lecture
    Lorentzen, Lisa. (2012) Random continued fractions. Ramanujan 125
  • Conference lecture
    Lorentzen, Lisa. (2012) Convergence and divergence of continued fractions. Gjest ved universitetet i Eichstätt
  • Conference lecture
    Lorentzen, Lisa. (2012) What can you see from pictures of continued fractions?. Gjest ved universitetet i Würzburg
  • Lecture
    Lorentzen, Lisa. (2012) Hva er matematikk?. Boklansering hos Tapir
  • Lecture
    Lorentzen, Lisa. (2012) Matematikk ... ?. Motivasjonsseminar for elever i vgs
  • Lecture
    Lorentzen, Lisa. (2012) Hva er matematikk?. Novemberkonferansen
  • Conference lecture
    Lorentzen, Lisa. (2012) Data graphics and research on continued fractions. Gjest ved universitetet i Freiberg

2008

  • Conference lecture
    Lorentzen, Lisa. (2008) Limit periodic continued fractions. CMFT
  • Conference lecture
    Lorentzen, Lisa. (2008) The parabola theorem in continued fraction theory. CMFT
  • Conference lecture
    Lorentzen, Lisa. (2008) Ramanujan and his continued fractions. Invitert foredrag ved "Rolling Waves in Leuven 2008"
  • Interview
    Lorentzen, Lisa. (2008) Den japanske matematikeren Seki Kowa.
  • Interview
    Lorentzen, Lisa. (2008) Den store klassefesten.
  • Conference lecture
    Lorentzen, Lisa. (2008) Convergence of linear fractional transformations. CMFT
  • Conference lecture
    Lorentzen, Lisa. (2008) Ramanujan's first continued fractions. CMFT
  • Conference lecture
    Lorentzen, Lisa. (2008) Continued fractions, how and why. CMFT Workshop at Guwahati
  • Lecture
    Lorentzen, Lisa. (2008) Hvordan unngå å stryke i matematikk. Klassens time
  • Lecture
    Lorentzen, Lisa. (2008) Eventyret Ramanujan. Rekruttering til NTNU

2006

  • Conference lecture
    Lorentzen, Lisa. (2006) Continued fractions with circular twin value sets. The annual joint meeting AMS and MAA

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
  • Conference lecture
    Lorentzen, Lisa. (2005) A conjecture in continued fraction theory. Computational Methods and Function Theory
  • Conference lecture
    Lorentzen, Lisa. (2005) Convergence of continued fractions with simple value sets. Invitert som gjesteforeleser

2004

  • Conference lecture
    Lorentzen, Lisa. (2004) Flervalgsprøver som vurderingsform. Flervalgsprøver som vurderingsform
  • Lecture
    Lorentzen, Lisa. (2004) Matematikk -- mer enn tall ?. Seminar ved Gosen skole, Stavanger
  • Conference lecture
    Lorentzen, Lisa. (2004) Continued Fractions - ideas and results. Invitert som gjesteforeleser

2003

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

2002

  • Conference lecture
    Lorentzen, Lisa. (2002) Matematikk -- et problemfag?. FUS-seminar
  • Lecture
    Lorentzen, Lisa. (2002) Matematikk kan brukes til noe. Gjesteforelesning
  • Lecture
    Lorentzen, Lisa. (2002) En historie rundt en historie. Møte i Det Kongelige Norske Videnskabers Selskab

2001

  • Conference lecture
    Lorentzen, Lisa. (2001) Convergence of Continued Fractions is more than it looks like. SANUM2001
  • Conference lecture
    Lorentzen, Lisa. (2001) Accelerating the convergence of some Stieltjes Continued Fractions. Sixth International Symposium on Orthogonal Polynomials, Special Functions and Applications
  • Conference lecture
    Lorentzen, Lisa. (2001) Computation of Continued Fractions. 2001: A Mathematics Odyssey

2000

  • Conference lecture
    Lorentzen, Lisa. (2000) Ramanujan and continued fractions. Gjesteforelesning
  • Conference lecture
    Lorentzen, Lisa. (2000) Continued fraction techniques and Ramanujan's continued fraction results. Gjesteforelesning
  • Conference lecture
    Lorentzen, Lisa. (2000) Generell konvergens i kvasinormale familier. Analyseseminaret ved IMF, NTNU
  • Conference lecture
    Lorentzen, Lisa. (2000) Continued fraction techniques. Analytic functions
  • Conference lecture
    Lorentzen, Lisa. (2000) Convergence of continued fractions and sequences of functions. Gjesteforelesning
  • Conference lecture
    Lorentzen, Lisa. (2000) Matematikk er et morsomt, spennende og nyttig fag -- eller er det ikke det?. Matematikk og pedagogikk
  • Conference lecture
    Lorentzen, Lisa. (2000) Modern Theory of Continued Fractions. International Conference on Analysis and Its Applications
  • Conference lecture
    Lorentzen, Lisa. (2000) General Convergence in Quasi-Normal Families. Planar Harmonic Mappings
  • Conference lecture
    Lorentzen, Lisa. (2000) Convergence of Continued Fractions. Millennial Conference on Number Theory

1999

  • Conference lecture
    Lorentzen, Lisa. (1999) Hva gjør en matematiker. Gjesteforelesning
  • Conference lecture
    Lorentzen, Lisa. (1999) Convergence of continued fractions and other processes based on generalized iteration. International Conference on Rational Approximation
  • Conference lecture
    Lorentzen, Lisa. (1999) Some ideas from continued fraction theory. Rational Approximation
  • Conference lecture
    Lorentzen, Lisa. (1999) Convergence of continued fractions is more than it looks like. Gjesteforelesning
  • Conference lecture
    Lorentzen, Lisa. (1999) Continued fractions and other infinite structures. Gjesteforelesning
  • Conference lecture
    Lorentzen, Lisa. (1999) Continued compositions. Analytic Functions
  • Conference lecture
    Lorentzen, Lisa. (1999) Convergence of sequences of analytic functions. Gjesteforelesning

1998

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

1996

  • Conference lecture
    Lorentzen, Lisa. (1996) Bruk av IT i matematikken. Fra fiende til venn?. Kreativ bruk av datateknikk i undervisningen
  • Conference lecture
    Lorentzen, Lisa. (1996) Convergence of continued fractions. The Rolls Final Meeting
  • Conference lecture
    Lorentzen, Lisa. (1996) Convergence of continued fractions. Orthogonal Functions, Moment Theory, Padé Approximants and Applications
  • Conference lecture
    Lorentzen, Lisa. (1996) Bruk av IT i matematikk. Fra fiende til venn. pedagogisk forum

1995

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

1994

  • Conference lecture
    Lorentzen, Lisa. (1994) Asymptotic behavior of solutions of Poincare difference equations. Conference on Analytic Theory of continued Fractions and Related Subjects
  • Conference lecture
    Lorentzen, Lisa. (1994) The Parabola Theorem Revisited. Analytic Theory of Continued Fractions and Related Subjects
  • Lecture
    Lorentzen, Lisa. (1994) Derivasjon og integrasjon i historisk perspektiv. Kurs for lærere i den videregående skolen
  • Conference lecture
    Lorentzen, Lisa. (1994) Asymptotic behavior of solutions of Poincaré difference equations. Gjesteforelesning
  • Conference lecture
    Lorentzen, Lisa. (1994) Continued Compositions of analytic functions. Gjesteforelesning
  • Conference 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)
  • Conference lecture
    Lorentzen, Lisa. (1994) Asymptotic behavior of solutions of three term Poincare difference equations. International Conference, Computational Methods and Function Theory
  • Conference lecture
    Lorentzen, Lisa. (1994) A generalized form of fixed point theorems. Gjesteforelesning
  • Conference lecture
    Lorentzen, Lisa. (1994) Bounded value sets and convergence of continued fractions. A status report. Continued fractions seminar
  • Conference lecture
    Lorentzen, Lisa. (1994) Continued compositions of analytic functions. Gjesteforelesning

1993

  • Conference lecture
    Lorentzen, Lisa. (1993) Efficient Computation of Hypergeometric Functions by means of Continued Fractions. Slow Pitch Seminar
  • Conference lecture
    Lorentzen, Lisa. (1993) A generalization of fixed point theorems. Kempner Colloquium
  • Conference lecture
    Lorentzen, Lisa. (1993) Computation of ratios of hypergeometric functions. Gjesteforelesning
  • Conference lecture
    Lorentzen, Lisa. (1993) Separate convergence of continued fractions, part 1. Continued fraction Seminar
  • Conference lecture
    Lorentzen, Lisa. (1993) Separate convergence of continued fractions, part 2. Continued fraction seminar

1992

  • Conference lecture
    Lorentzen, Lisa. (1992) The ovals are convergence sets. Continued fractions. Theory and Applications
  • Conference 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
  • Conference lecture
    Lorentzen, Lisa. (1992) Twin convergence sets for continued fractions. Continued Fractions and Orthogonal Functions: Theory and Applications
  • Conference lecture
    Lorentzen, Lisa. (1992) Limit sets and convergence sets for continued fractions K(1/b_n). Continued Fractions and Orthogonal Functions: Theory and Applications
  • Conference lecture
    Lorentzen, Lisa. (1992) Analytic self-mappings of the unit disk, inspired by continued fractions. Continued Fractions and Orthogonal Polynomials: Theory and Applications

1991

  • Conference lecture
    Lorentzen, Lisa. (1991) Computation of Special functions. 13th IMACS World Congress on Computation and Applied Mathematics

1990

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

1989

  • Conference lecture
    Lorentzen, Lisa. (1989) Continued fractions and orthogonal polynomials. Orthogonal Polynomials and Their Applications
  • Conference lecture
    Lorentzen, Lisa. (1989) Continued fractions and their relation to orthogonal polynomials. Computational methods and Function Theory
  • Conference lecture
    Lorentzen, Lisa. (1989) Convergence regions for continued fractions. Extrapolation and Rational Approximation
  • Conference lecture
    Lorentzen, Lisa. (1989) Orthogonal Polynomials as seen by a continued fractionist. Pade Approximant -- Continued Fraction Mini Conference

1988

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

1987

  • Conference lecture
    Lorentzen, Lisa. (1987) The convergence of continued fractions. Fellesmøte Svensk matematisk Forening og Norsk Matematisk Forening
  • Conference lecture
    Lorentzen, Lisa. (1987) Computation of Special Functions by means of Continued Fractions -- Improved method. International Conference on Constructive Theory of Functions
  • Conference lecture
    Lorentzen, Lisa. (1987) Uniform Convergence of Limit Periodic generalized Continued Fractions. Nonlinear Numerical methods and Rational Approximation
  • Conference lecture
    Lorentzen, Lisa. (1987) Convergence of corresponding continued fractions. Ramanujan Centenary Conference

1986

  • Conference lecture
    Lorentzen, Lisa. (1986) Modified Approximants for continued fractions. Intyernational Congress on Computational and Applied Mathematics

1985

  • Conference 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
  • Conference lecture
    Lorentzen, Lisa. (1985) Continued Fractions K(a_n/1) where a_n -> -1/4. Analytic Theory of Continued Fractions 2
  • Conference lecture
    Lorentzen, Lisa. (1985) General Convergence of Continued Fractions. Congress on Extrapolation and Padé Approximation
  • Conference lecture
    Lorentzen, Lisa. (1985) I love the parabola theorems. Analytic theory of continued fractions II

1984

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

1983

  • Conference lecture
    Lorentzen, Lisa. (1983) On the convergence of continued fractions K(a_n/1) where a_n -> -1/4. Rational Approximation and Interpolation
  • Conference lecture
    Lorentzen, Lisa. (1983) Convergence and value Regions for Modified Approximants of Continued Fractions. Symposium on Numerical Analysis and Computational Complex Analysis
  • Conference lecture
    Lorentzen, Lisa. (1983) Solutions of three-term reccursion relations. Konstruktive Verfahren der Komplexen Analysis
  • Conference lecture
    Lorentzen, Lisa. (1983) Modification of Continued Fraction, Part 2. Padé Approximation and its Applications

1982

  • Conference lecture
    Lorentzen, Lisa. (1982) Continued Fractions. International Congress of Mathematicians
  • Conference lecture
    Lorentzen, Lisa. (1982) Convergence Acceleration for Continued Fractions. American Mathematical Society. Summer meeting.
  • Conference lecture
    Lorentzen, Lisa. (1982) Convergence Acceleration by means Modifications of Continued Fractions. Matematikermøte på Køja

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