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  1. Employees

Språkvelger

Norsk

Kristian Seip

Kristian Seip

Professor
Department of Mathematical Sciences

kristian.seip@ntnu.no
+4773593516 +4791129136 Sentralbygg 2, 956, Gløshaugen, Alfred Getz vei 1
About Publications Teaching Media

About

Kristian Seip (1962) is a Professor at the Department of Mathematical Sciences since 1993. He has been Department Chair (1997 – 2001) and Vice Dean for Education at the Faculty of Information Technology, Mathematics and Electrical Engineering (2006 – 2012). He is a member of the Analysis Group. Professor Seip has a MSc, and a PhD both from NTNU. His research areas are currently operator related function theory and analytic number theory.

Recent Professional Experience at foreign institutions

  • 2016 One month position as visiting researcher at Université de Lille 1
  • 2014 One month position in “Postgraduate Excellence Program” at Universidad Autónoma de Madrid
  • 2009/2010 Visiting Professor, Université de Provence (Aix-Marseille I), one month
  • 2003 Fred and Lois Gehring Professor of Mathematics, University of Michigan
  • 2001 June/July Visiting Professor, Université Bordeaux I
  • Visiting Scholar, Centre de Recerca Matemàtica, Barcelona,1997 (September), 1999 (June – July), 2000 (June – July), 2011 (June – July)

Honors and Awards

  • European Mathematical Society Lecturer 2012
  • Invited Speaker, International Congress of Mathematicians, Berlin 1998
  • Inaugural Fellow of the American Mathematical Society, 2012
  • The Norwegian Academy of Science and Letters (DNVA), elected member since 2005
  • The Royal Norwegian Society of Sciences and Letters (DKNVS), elected member since 2001
  • Norwegian Academy of the Technological Sciences (NTVA), elected member since 1999

Leadership of research projects with external funding

  • Co-leader (with Yurii Lyubarskii) of the 2012–2013 program “Operator-Related Function Theory and Time-Frequency Analysis”, Centre for Advanced Study, Norwegian Academy of Science and Letters, Oslo
  • PI of several projects funded by the Research Council of Norway (RCN), including “Nonlinear Problems in Mathematical Analysis” (2008–2013), “Dirichlet Series and Analysis on Polydiscs” (2013–2018), the FRIPRO/Toppforsk project "Combinatorial Methods in Analysis" (2018–2022), and the FRIPRO project "Fourier Methods and Multiplicative Analysis" (2023-2028).
  • Node Coordinator of EU Research Training Network “Classical Analysis, Operator Theory, Geometry of Banach Spaces, Their Interplay and Their Applications”, 2000–2004.  

Publications

  • Chronological
  • By category
  • See all publications in Cristin

2022

  • Bondarenko, Andrii; Radchenko, Danylo; Seip, Kristian. (2022) Fourier Interpolation with Zeros of Zeta and L-Functions. Constructive approximation.
    Academic article
  • Konyagin, Sergei; Queffelec, Herve; Saksman, Eero; Seip, Kristian. (2022) Riesz projection and bounded mean oscillation for Dirichlet series. Studia Mathematica. volum 262 (2).
    Academic article

2021

  • Brevig, Ole Fredrik; Ortega-Cerdà, Joaquim; Seip, Kristian. (2021) A converse to the Schwarz lemma for planar harmonic maps. Journal of Mathematical Analysis and Applications. volum 497 (2).
    Academic article
  • Brevig, Ole Fredrik; Ortega-Cerdà, Joaquim; Seip, Kristian. (2021) Idempotent Fourier multipliers acting contractively on H^p spaces. Geometric and Functional Analysis. volum 31 (6).
    Academic article

2020

  • Saias, Eric; Seip, Kristian. (2020) A footnote to a theorem Halász. Functiones et Approximatio Commentarii Mathematici. volum 63 (1).
    Academic article
  • Seip, Kristian. (2020) Universality and distribution of zeros and poles of some zeta functions. Journal d'Analyse Mathematique. volum 141.
    Academic article

2019

  • Bondarenko, Andrii; Brevig, Ole Fredrik; Saksman, Eero; Seip, Kristian. (2019) Linear space properties of H^p spaces of Dirichlet series. Transactions of the American Mathematical Society. volum 372 (9).
    Academic article
  • Brevig, Ole Fredrik; Perfekt, Karl-Mikael; Seip, Kristian. (2019) Volterra operators on Hardy spaces of Dirichlet series. Journal für die Reine und Angewandte Mathematik. volum 2019 (754).
    Academic article

2018

  • Bondarenko, Andrii; Brevig, Ole Fredrik; Saksman, Eero; Seip, Kristian; Zhao, Jing. (2018) Pseudomoments of the Riemann zeta function. Bulletin of the London Mathematical Society. volum 50 (4).
    Academic article
  • Bondarenko, Andrii; Seip, Kristian. (2018) Extreme values of the Riemann zeta function and its argument. Mathematische Annalen. volum 372.
    Academic article
  • Bondarenko, Andrii; Seip, Kristian. (2018) Note on the resonance method for the Riemann zeta function. Operator Theory: Advances and Applications. volum 261.
    Academic article
  • Brevig, Ole Fredrik; Ortega-Cerdà, Joaquim; Seip, Kristian; Zhao, Jing. (2018) Contractive inequalities for Hardy spaces. Functiones et Approximatio Commentarii Mathematici. volum 59 (1).
    Academic article
  • Gesztesy, Fritz; Hanche-Olsen, Harald; Jakobsen, Espen Robstad; Lyubarskii, Yurii; Risebro, Nils Henrik; Seip, Kristian. (2018) Non-linear Partial Differential Equations, Mathematical Physics, and Stochastic Analysis: The Helge Holden Anniversary Volume. European Mathematical Society (EMS) Publishing House. 2018. ISBN 978-3-03719-186-6.
    Academic anthology/Conference proceedings

2017

  • Bondarenko, Andrii; Seip, Kristian. (2017) Large greatest common divisor sums and extreme values of the Riemann zeta function. Duke mathematical journal. volum 166 (9).
    Academic article

2016

  • Bayart, Frederic; Queffelec, Herve; Seip, Kristian. (2016) Approximation numbers of composition operators on H^p spaces of Dirichlet series. Annales de l'Institut Fourier. volum 66 (2).
    Academic article
  • Bondarenko, Andrii; Hilberdink, Titus; Seip, Kristian. (2016) Gal-type GCD sums beyond the critical line. Journal of Number Theory. volum 166.
    Academic article
  • Bondarenko, Andrii; Seip, Kristian. (2016) Helson's problem for sums of a random multiplicative function. Mathematika. volum 62 (1).
    Academic article
  • Brevig, Ole Fredrik; Perfekt, Karl-Mikael; Seip, Kristian; Siskakis, Aristomenis; Vukotic, Dragan. (2016) The multiplicative Hilbert matrix. Advances in Mathematics. volum 302.
    Academic article
  • Saksman, Eero; Seip, Kristian. (2016) Some open questions in analysis for Dirichlet series. Recent Progress on Operator Theory and Approximation in Spaces of Analytic Functions.
    Academic chapter/article/Conference paper

2015

  • Aistleitner, Christoph; Berkes, Istvan; Seip, Kristian. (2015) GCD sums from Poisson integrals and systems of dilated functions. Journal of the European Mathematical Society (Print). volum 17 (6).
    Academic article
  • Aistleitner, Christoph; Berkes, Istvan; Seip, Kristian; Weber, Michel. (2015) Convergence of series of dilated functions and spectral norms of GCD matrices. Acta Arithmetica. volum 168 (3).
    Academic article
  • Bondarenko, Andrii; Heap, Winston Paul; Seip, Kristian. (2015) An inequality of Hardy-Littlewood type for Dirichlet polynomials. Journal of Number Theory. volum 150.
    Academic article
  • Bondarenko, Andrii; Seip, Kristian. (2015) GCD sums and complete sets of square-free numbers. Bulletin of the London Mathematical Society. volum 47 (1).
    Academic article
  • Queffelec, Herve; Seip, Kristian. (2015) Approximation numbers of composition operators on the H^2 space of Dirichlet series. Journal of Functional Analysis. volum 268 (6).
    Academic article
  • Queffelec, Herve; Seip, Kristian. (2015) Decay rates for approximation numbers of composition operators. Journal d'Analyse Mathematique. volum 125 (1).
    Academic article

2014

  • Bondarenko, Andrii; Seip, Kristian. (2014) GCD sums and complete sets of square-free numbers. Bulletin of the London Mathematical Society. volum 47 (1).
    Academic article

2013

  • Seip, Kristian. (2013) Interpolation and sampling in small Bergman spaces. Collectanea Mathematica. volum 64 (1).
    Academic article
  • Seip, Kristian. (2013) Zeros of functions in Hilbert spaces of Dirichlet series. Mathematische Zeitschrift. volum 274.
    Academic article
  • Seip, Kristian; Youssfi, El Hassan. (2013) Hankel Operators on Fock Spaces and Related Bergman Kernel Estimates. Journal of Geometric Analysis. volum 23 (1).
    Academic article

2012

  • El-Fallah, Omar; Kellay, Karim; Seip, Kristian. (2012) Cyclicity of singular inner functions from the corona theorem. Journal of the Institute of Mathematics of Jussieu. volum 11 (4).
    Academic article
  • Ortega-Cerdà, Joaquim; Seip, Kristian. (2012) A lower bound in Nehari's theorem on the polydisc. Journal d'Analyse Mathematique. volum 118.
    Academic article

2011

  • Defant, Andreas; Frerick, Leonhard; Ortega-Cerdà, Joaquim; Ounaies, Myriam; Seip, Kristian. (2011) The Bohnenblust-Hille inequality for homogeneous polynomials is hypercontractive. Annals of Mathematics. volum 174.
    Academic article
  • Marzo, Sanchez Jorge; Seip, Kristian. (2011) L-infinity to L-p constants for Riesz projections. Bulletin des Sciences Mathématiques. volum 135 (3).
    Academic article
  • Seip, Kristian; Belov, Yurii; Mengestie, Tesfa Yigrem. (2011) Discrete Hilbert transforms on sparse sequences. Proceedings of the London Mathematical Society. volum 103.
    Academic article
  • Seip, Kristian; Marzo, Sanchez Jorge. (2011) L^\infty to L^p constants for Riesz projections. Bulletin des Sciences Mathématiques. volum 135.
    Academic article

2010

  • Belov, Yury; Mengestie, Tesfa Yigrem; Seip, Kristian. (2010) Unitary discrete Hilbert transforms. Journal d'Analyse Mathematique. volum 112 (1).
    Academic article
  • Seip, Kristian; Mashreghi, Javad; Ransford, Thomas. (2010) Hilbert spaces of analytic functions. American Mathematical Society (AMS). 2010. ISBN 978-0-8218-4879-1.
    Academic anthology/Conference proceedings

2009

  • Ascensi, Gerard; Lyubarskii, Yurii; Seip, Kristian. (2009) Phase space distribution of Gabor expansions. Applied and Computational Harmonic Analysis. volum 26 (2).
    Academic article
  • Lind-Johansen, Øyvind; Seip, Kristian; Skaar, Johannes. (2009) The perfect lens on a finite bandwidth. Journal of Mathematical Physics. volum 50 (1).
    Academic article
  • Marzo, Jordi; Seip, Kristian. (2009) THE KADETS 1/4 THEOREM FOR POLYNOMIALS. Mathematica Scandinavica. volum 104 (2).
    Academic article
  • Saksman, Eero; Seip, Kristian. (2009) Integral means and boundary limits of Dirichlet series. Bulletin of the London Mathematical Society. volum 41.
    Academic article
  • Seip, Kristian. (2009) Interpolation by Dirichlet Series in H^infty. Linear and Complex Analysis: Dedicated to V.P. Havin on the Occasion of His 75th Birthday.
    Academic chapter/article/Conference paper

2008

  • Olsen, Jan-Fredrik; Seip, Kristian. (2008) Local interpolation in Hilbert spaces of Dirichlet series. Proceedings of the American Mathematical Society. volum 136.
    Academic article
  • Seip, Kristian; Groechenig, Karlheinz; Kutyniok, Gitta. (2008) Landau's necessary density conditions for LCA groups. Journal of Functional Analysis. volum 255.
    Academic article

2006

  • Skaar, Johannes; Seip, Kristian. (2006) Bounds for the refractive indices of metamaterials. Journal of Physics D: Applied Physics. volum 39.
    Academic article

2005

  • Seip, Kristian; Skaar, Johannes. (2005) An extremal problem related to negative refraction. Skrifter.
    Academic article

2004

  • Seip, Kristian. (2004) Interpolation and sampling in spaces of analytic functions. American Mathematical Society (AMS). 2004. ISBN 0-8218-3554-8. University Lecture Series (33).
    Academic monograph
  • Seip, Kristian. (2004) Surjective Toeplitz operators. Acta Scientarum Mathematicarum. volum 70 (3-4).
    Academic article
  • Nicolau, A; Ortega-Cerda, J; Seip, Kristian. (2004) The constant of interpolation. Pacific Journal of Mathematics. volum 213 (2).
    Academic article
  • Ortega-Cerda, J; Seip, Kristian. (2004) Harmonic measure and uniform densities. Indiana University Mathematics Journal. volum 53 (3).
    Academic article

2003

  • Seip, Kristian. (2003) Extremal functions as divisors for kernels of Toeplitz operators. Journal of Functional Analysis. volum 202 (2).
    Academic article
  • Seip, Kristian; Chicon, Kinga. (2003) Weighted holomorphic spaces with trivial closed range multiplication operators. Proceedings of the American Mathematical Society. volum 131 (1).
    Academic article

2002

  • Seip, Kristian; Lyubarskii, Yurii. (2002) Weighted Paley-Wiener spaces. Journal of The American Mathematical Society. volum 15 (4).
    Academic article
  • Seip, Kristian; Ortega-Cerda, Joaquim. (2002) Fourier frames. Annals of Mathematics. volum 155.
    Academic article

2001

  • Lyubarskii, Yurii; Seip, Kristian. (2001) A splitting problem for unconditional bases of complex exponentials. 2001. Israel mathematical conference proceedings. (15).
    Report

2000

  • Duren, Peter L.; Schuster, Alexander P.; Seip, Kristian. (2000) Uniform densities of regular sequences in the unit disk. Transactions of the American Mathematical Society. volum 352 (9).
    Academic article
  • Schuster, Alexander P.; Seip, Kristian. (2000) Weak conditions for interpolation in holomorphic spaces. Publicacions matemàtiques. volum 44.
    Academic article
  • Seip, Kristian. (2000) On Gröchenig, Heil, and Walnut's proof of the local three squares theorem. Arkiv för matematik. volum 38 (1).
    Academic article

1999

  • Flornes, Kristin; Lyubarskii, Yurii; Seip, Kristian. (1999) A direct interpolation method for irregular sampling. Applied and Computational Harmonic Analysis.
    Academic article
  • Hedenmalm, Håkan; Lindquist, Peter; Seip, Kristian. (1999) Addendum to "a Hilbert space of dirichlet series and systems of dilated functions in L%2(0,1)". Duke mathematical journal.
    Academic chapter/article/Conference paper
  • Lyubarskii, Yurii; Seip, Kristian. (1999) Convergence and summability of Gabor expansions at the Nyquist density. Journal of Fourier Analysis and Applications. volum 5 (2/3).
    Academic article
  • Ortega-Cerda, Joaquim; Seip, Kristian. (1999) Multipliers for entire functions and an interpolation problem of Beurling. Journal of Functional Analysis. volum 162.
    Academic article

1998

  • Lindqvist, Peter; Seip, Kristian. (1998) Note on some greatest common divisor matrices. Acta Arithmetica. volum 84 (2).
    Academic article
  • Ortega-Cerdà, Joaquim; Seip, Kristian. (1998) Beurling-type density theorems for weighted LP spaces of entire functions. Journal d'Analyse Mathematique. volum 75/1998.
    Academic article
  • Seip, Kristian; Ortega-Cerdà, Joaquim. (1998) Beurling-type density theorems for weighted L^P spaces of entire function. Journal d'Analyse Mathematique. volum 75.
    Academic article

1997

  • Hedenmalm, Håkan; Lindqvist, Peter; Seip, Kristian. (1997) A Hilbert space of Dirichlet series and systems of dilated functions in L%2(0,1). Duke mathematical journal. volum 86 (1).
    Academic article
  • Lyubarskii, Yurii; Seip, Kristian. (1997) Complete interpolating sequences for Paley-Wiener spaces and Muckenhoupt's (Ap) condition. Revista matemática iberoamericana. volum 13 (2).
    Academic article
  • Lyubarskii, Yurii; Seip, Kristian. (1997) Sampling and interpolating sequences for multiband-limited functions and exponential bases on disconnected sets. Journal of Fourier Analysis and Applications. volum 13 (5).
    Academic article
  • Seip, Kristian; Ulanovskii, Aleksander. (1997) Beurling-Malliavin density of random sequences. Proceedings of the American Mathematical Society. volum 125.
    Academic article
  • Seip, Kristian; Ulanovskii, Aleksander. (1997) Beurling-Malliavin density of random sequences. Proceedings of the American Mathematical Society. volum 125.
    Academic article

1996

  • Seip, Kristian; Ulanovskii, Aleksander. (1996) Random exponential frames. Journal of the London Mathematical Society. volum 53.
    Academic article
  • Seip, Kristian; Ulanovskii, Aleksander. (1996) Random exponential frames. Journal of the London Mathematical Society. volum 53.
    Academic article

1995

  • Seip, Kristian. (1995) A simple construction of exponential bases in L2 of the union of several intervals. Proceedings of the Edinburgh Mathematical Society. volum 38.
    Academic article
  • Seip, Kristian. (1995) An extension of the Blaschke condition. Journal of the London Mathematical Society. volum 51 (2).
    Academic article
  • Seip, Kristian. (1995) On the connection between exponential bases and certain related sequences in L2(-_p,_p). Journal of Functional Analysis. volum 130 (1).
    Academic article
  • Seip, Kristian; Ulanovskii, Aleksander. (1995) A best covering problem. Mathematica Scandinavica. volum 77.
    Academic article
  • Seip, Kristian; Ulanovskii, Aleksander; ukjent-for-m018958, ukjent-for-m018958. (1995) A best covering problem. ?. volum 77.
    Academic article

1994

  • Seip, Kristian. (1994) On a theorem of Korenblum. Arkiv för matematik. volum 32.
    Academic article

1992

  • Seip, Kristian. (1992) Addendum to "Curves of maximum modulus in coherent state representations". Annales Henri Poincaré - A Journal of Theoretical and Mathematical Physics. volum 57 (2).
    Academic article
  • Seip, Kristian. (1992) Density theorems for sampling and interpolation in the Bargmann-Fock space. Bulletin of the American Mathematical Society.
    Academic article
  • Seip, Kristian. (1992) Density theorems for sampling and interpolation in the Bargmann-Fock space I. Journal für die Reine und Angewandte Mathematik.
    Academic article
  • Seip, Kristian. (1992) Density theorems for sampling and interpolation in the Bargmann-Fock space II. Journal für die Reine und Angewandte Mathematik.
    Academic article

1991

  • Owren, Brynjulf; Seip, Kristian. (1991) A uniqueness result related to the stability of explicit Runge-Kutta methods. BIT Numerical Mathematics. volum 31 (2).
    Academic article

1990

  • Owren, Brynjulf; Seip, Kristian. (1990) Some stability results for explicit Runge-Kutta methods. BIT Numerical Mathematics. volum 30 (4).
    Academic article

Journal publications

  • Bondarenko, Andrii; Radchenko, Danylo; Seip, Kristian. (2022) Fourier Interpolation with Zeros of Zeta and L-Functions. Constructive approximation.
    Academic article
  • Konyagin, Sergei; Queffelec, Herve; Saksman, Eero; Seip, Kristian. (2022) Riesz projection and bounded mean oscillation for Dirichlet series. Studia Mathematica. volum 262 (2).
    Academic article
  • Brevig, Ole Fredrik; Ortega-Cerdà, Joaquim; Seip, Kristian. (2021) A converse to the Schwarz lemma for planar harmonic maps. Journal of Mathematical Analysis and Applications. volum 497 (2).
    Academic article
  • Brevig, Ole Fredrik; Ortega-Cerdà, Joaquim; Seip, Kristian. (2021) Idempotent Fourier multipliers acting contractively on H^p spaces. Geometric and Functional Analysis. volum 31 (6).
    Academic article
  • Saias, Eric; Seip, Kristian. (2020) A footnote to a theorem Halász. Functiones et Approximatio Commentarii Mathematici. volum 63 (1).
    Academic article
  • Seip, Kristian. (2020) Universality and distribution of zeros and poles of some zeta functions. Journal d'Analyse Mathematique. volum 141.
    Academic article
  • Bondarenko, Andrii; Brevig, Ole Fredrik; Saksman, Eero; Seip, Kristian. (2019) Linear space properties of H^p spaces of Dirichlet series. Transactions of the American Mathematical Society. volum 372 (9).
    Academic article
  • Brevig, Ole Fredrik; Perfekt, Karl-Mikael; Seip, Kristian. (2019) Volterra operators on Hardy spaces of Dirichlet series. Journal für die Reine und Angewandte Mathematik. volum 2019 (754).
    Academic article
  • Bondarenko, Andrii; Brevig, Ole Fredrik; Saksman, Eero; Seip, Kristian; Zhao, Jing. (2018) Pseudomoments of the Riemann zeta function. Bulletin of the London Mathematical Society. volum 50 (4).
    Academic article
  • Bondarenko, Andrii; Seip, Kristian. (2018) Extreme values of the Riemann zeta function and its argument. Mathematische Annalen. volum 372.
    Academic article
  • Bondarenko, Andrii; Seip, Kristian. (2018) Note on the resonance method for the Riemann zeta function. Operator Theory: Advances and Applications. volum 261.
    Academic article
  • Brevig, Ole Fredrik; Ortega-Cerdà, Joaquim; Seip, Kristian; Zhao, Jing. (2018) Contractive inequalities for Hardy spaces. Functiones et Approximatio Commentarii Mathematici. volum 59 (1).
    Academic article
  • Bondarenko, Andrii; Seip, Kristian. (2017) Large greatest common divisor sums and extreme values of the Riemann zeta function. Duke mathematical journal. volum 166 (9).
    Academic article
  • Bayart, Frederic; Queffelec, Herve; Seip, Kristian. (2016) Approximation numbers of composition operators on H^p spaces of Dirichlet series. Annales de l'Institut Fourier. volum 66 (2).
    Academic article
  • Bondarenko, Andrii; Hilberdink, Titus; Seip, Kristian. (2016) Gal-type GCD sums beyond the critical line. Journal of Number Theory. volum 166.
    Academic article
  • Bondarenko, Andrii; Seip, Kristian. (2016) Helson's problem for sums of a random multiplicative function. Mathematika. volum 62 (1).
    Academic article
  • Brevig, Ole Fredrik; Perfekt, Karl-Mikael; Seip, Kristian; Siskakis, Aristomenis; Vukotic, Dragan. (2016) The multiplicative Hilbert matrix. Advances in Mathematics. volum 302.
    Academic article
  • Aistleitner, Christoph; Berkes, Istvan; Seip, Kristian. (2015) GCD sums from Poisson integrals and systems of dilated functions. Journal of the European Mathematical Society (Print). volum 17 (6).
    Academic article
  • Aistleitner, Christoph; Berkes, Istvan; Seip, Kristian; Weber, Michel. (2015) Convergence of series of dilated functions and spectral norms of GCD matrices. Acta Arithmetica. volum 168 (3).
    Academic article
  • Bondarenko, Andrii; Heap, Winston Paul; Seip, Kristian. (2015) An inequality of Hardy-Littlewood type for Dirichlet polynomials. Journal of Number Theory. volum 150.
    Academic article
  • Bondarenko, Andrii; Seip, Kristian. (2015) GCD sums and complete sets of square-free numbers. Bulletin of the London Mathematical Society. volum 47 (1).
    Academic article
  • Queffelec, Herve; Seip, Kristian. (2015) Approximation numbers of composition operators on the H^2 space of Dirichlet series. Journal of Functional Analysis. volum 268 (6).
    Academic article
  • Queffelec, Herve; Seip, Kristian. (2015) Decay rates for approximation numbers of composition operators. Journal d'Analyse Mathematique. volum 125 (1).
    Academic article
  • Bondarenko, Andrii; Seip, Kristian. (2014) GCD sums and complete sets of square-free numbers. Bulletin of the London Mathematical Society. volum 47 (1).
    Academic article
  • Seip, Kristian. (2013) Interpolation and sampling in small Bergman spaces. Collectanea Mathematica. volum 64 (1).
    Academic article
  • Seip, Kristian. (2013) Zeros of functions in Hilbert spaces of Dirichlet series. Mathematische Zeitschrift. volum 274.
    Academic article
  • Seip, Kristian; Youssfi, El Hassan. (2013) Hankel Operators on Fock Spaces and Related Bergman Kernel Estimates. Journal of Geometric Analysis. volum 23 (1).
    Academic article
  • El-Fallah, Omar; Kellay, Karim; Seip, Kristian. (2012) Cyclicity of singular inner functions from the corona theorem. Journal of the Institute of Mathematics of Jussieu. volum 11 (4).
    Academic article
  • Ortega-Cerdà, Joaquim; Seip, Kristian. (2012) A lower bound in Nehari's theorem on the polydisc. Journal d'Analyse Mathematique. volum 118.
    Academic article
  • Defant, Andreas; Frerick, Leonhard; Ortega-Cerdà, Joaquim; Ounaies, Myriam; Seip, Kristian. (2011) The Bohnenblust-Hille inequality for homogeneous polynomials is hypercontractive. Annals of Mathematics. volum 174.
    Academic article
  • Marzo, Sanchez Jorge; Seip, Kristian. (2011) L-infinity to L-p constants for Riesz projections. Bulletin des Sciences Mathématiques. volum 135 (3).
    Academic article
  • Seip, Kristian; Belov, Yurii; Mengestie, Tesfa Yigrem. (2011) Discrete Hilbert transforms on sparse sequences. Proceedings of the London Mathematical Society. volum 103.
    Academic article
  • Seip, Kristian; Marzo, Sanchez Jorge. (2011) L^\infty to L^p constants for Riesz projections. Bulletin des Sciences Mathématiques. volum 135.
    Academic article
  • Belov, Yury; Mengestie, Tesfa Yigrem; Seip, Kristian. (2010) Unitary discrete Hilbert transforms. Journal d'Analyse Mathematique. volum 112 (1).
    Academic article
  • Ascensi, Gerard; Lyubarskii, Yurii; Seip, Kristian. (2009) Phase space distribution of Gabor expansions. Applied and Computational Harmonic Analysis. volum 26 (2).
    Academic article
  • Lind-Johansen, Øyvind; Seip, Kristian; Skaar, Johannes. (2009) The perfect lens on a finite bandwidth. Journal of Mathematical Physics. volum 50 (1).
    Academic article
  • Marzo, Jordi; Seip, Kristian. (2009) THE KADETS 1/4 THEOREM FOR POLYNOMIALS. Mathematica Scandinavica. volum 104 (2).
    Academic article
  • Saksman, Eero; Seip, Kristian. (2009) Integral means and boundary limits of Dirichlet series. Bulletin of the London Mathematical Society. volum 41.
    Academic article
  • Olsen, Jan-Fredrik; Seip, Kristian. (2008) Local interpolation in Hilbert spaces of Dirichlet series. Proceedings of the American Mathematical Society. volum 136.
    Academic article
  • Seip, Kristian; Groechenig, Karlheinz; Kutyniok, Gitta. (2008) Landau's necessary density conditions for LCA groups. Journal of Functional Analysis. volum 255.
    Academic article
  • Skaar, Johannes; Seip, Kristian. (2006) Bounds for the refractive indices of metamaterials. Journal of Physics D: Applied Physics. volum 39.
    Academic article
  • Seip, Kristian; Skaar, Johannes. (2005) An extremal problem related to negative refraction. Skrifter.
    Academic article
  • Seip, Kristian. (2004) Surjective Toeplitz operators. Acta Scientarum Mathematicarum. volum 70 (3-4).
    Academic article
  • Nicolau, A; Ortega-Cerda, J; Seip, Kristian. (2004) The constant of interpolation. Pacific Journal of Mathematics. volum 213 (2).
    Academic article
  • Ortega-Cerda, J; Seip, Kristian. (2004) Harmonic measure and uniform densities. Indiana University Mathematics Journal. volum 53 (3).
    Academic article
  • Seip, Kristian. (2003) Extremal functions as divisors for kernels of Toeplitz operators. Journal of Functional Analysis. volum 202 (2).
    Academic article
  • Seip, Kristian; Chicon, Kinga. (2003) Weighted holomorphic spaces with trivial closed range multiplication operators. Proceedings of the American Mathematical Society. volum 131 (1).
    Academic article
  • Seip, Kristian; Lyubarskii, Yurii. (2002) Weighted Paley-Wiener spaces. Journal of The American Mathematical Society. volum 15 (4).
    Academic article
  • Seip, Kristian; Ortega-Cerda, Joaquim. (2002) Fourier frames. Annals of Mathematics. volum 155.
    Academic article
  • Duren, Peter L.; Schuster, Alexander P.; Seip, Kristian. (2000) Uniform densities of regular sequences in the unit disk. Transactions of the American Mathematical Society. volum 352 (9).
    Academic article
  • Schuster, Alexander P.; Seip, Kristian. (2000) Weak conditions for interpolation in holomorphic spaces. Publicacions matemàtiques. volum 44.
    Academic article
  • Seip, Kristian. (2000) On Gröchenig, Heil, and Walnut's proof of the local three squares theorem. Arkiv för matematik. volum 38 (1).
    Academic article
  • Flornes, Kristin; Lyubarskii, Yurii; Seip, Kristian. (1999) A direct interpolation method for irregular sampling. Applied and Computational Harmonic Analysis.
    Academic article
  • Lyubarskii, Yurii; Seip, Kristian. (1999) Convergence and summability of Gabor expansions at the Nyquist density. Journal of Fourier Analysis and Applications. volum 5 (2/3).
    Academic article
  • Ortega-Cerda, Joaquim; Seip, Kristian. (1999) Multipliers for entire functions and an interpolation problem of Beurling. Journal of Functional Analysis. volum 162.
    Academic article
  • Lindqvist, Peter; Seip, Kristian. (1998) Note on some greatest common divisor matrices. Acta Arithmetica. volum 84 (2).
    Academic article
  • Ortega-Cerdà, Joaquim; Seip, Kristian. (1998) Beurling-type density theorems for weighted LP spaces of entire functions. Journal d'Analyse Mathematique. volum 75/1998.
    Academic article
  • Seip, Kristian; Ortega-Cerdà, Joaquim. (1998) Beurling-type density theorems for weighted L^P spaces of entire function. Journal d'Analyse Mathematique. volum 75.
    Academic article
  • Hedenmalm, Håkan; Lindqvist, Peter; Seip, Kristian. (1997) A Hilbert space of Dirichlet series and systems of dilated functions in L%2(0,1). Duke mathematical journal. volum 86 (1).
    Academic article
  • Lyubarskii, Yurii; Seip, Kristian. (1997) Complete interpolating sequences for Paley-Wiener spaces and Muckenhoupt's (Ap) condition. Revista matemática iberoamericana. volum 13 (2).
    Academic article
  • Lyubarskii, Yurii; Seip, Kristian. (1997) Sampling and interpolating sequences for multiband-limited functions and exponential bases on disconnected sets. Journal of Fourier Analysis and Applications. volum 13 (5).
    Academic article
  • Seip, Kristian; Ulanovskii, Aleksander. (1997) Beurling-Malliavin density of random sequences. Proceedings of the American Mathematical Society. volum 125.
    Academic article
  • Seip, Kristian; Ulanovskii, Aleksander. (1997) Beurling-Malliavin density of random sequences. Proceedings of the American Mathematical Society. volum 125.
    Academic article
  • Seip, Kristian; Ulanovskii, Aleksander. (1996) Random exponential frames. Journal of the London Mathematical Society. volum 53.
    Academic article
  • Seip, Kristian; Ulanovskii, Aleksander. (1996) Random exponential frames. Journal of the London Mathematical Society. volum 53.
    Academic article
  • Seip, Kristian. (1995) A simple construction of exponential bases in L2 of the union of several intervals. Proceedings of the Edinburgh Mathematical Society. volum 38.
    Academic article
  • Seip, Kristian. (1995) An extension of the Blaschke condition. Journal of the London Mathematical Society. volum 51 (2).
    Academic article
  • Seip, Kristian. (1995) On the connection between exponential bases and certain related sequences in L2(-_p,_p). Journal of Functional Analysis. volum 130 (1).
    Academic article
  • Seip, Kristian; Ulanovskii, Aleksander. (1995) A best covering problem. Mathematica Scandinavica. volum 77.
    Academic article
  • Seip, Kristian; Ulanovskii, Aleksander; ukjent-for-m018958, ukjent-for-m018958. (1995) A best covering problem. ?. volum 77.
    Academic article
  • Seip, Kristian. (1994) On a theorem of Korenblum. Arkiv för matematik. volum 32.
    Academic article
  • Seip, Kristian. (1992) Addendum to "Curves of maximum modulus in coherent state representations". Annales Henri Poincaré - A Journal of Theoretical and Mathematical Physics. volum 57 (2).
    Academic article
  • Seip, Kristian. (1992) Density theorems for sampling and interpolation in the Bargmann-Fock space. Bulletin of the American Mathematical Society.
    Academic article
  • Seip, Kristian. (1992) Density theorems for sampling and interpolation in the Bargmann-Fock space I. Journal für die Reine und Angewandte Mathematik.
    Academic article
  • Seip, Kristian. (1992) Density theorems for sampling and interpolation in the Bargmann-Fock space II. Journal für die Reine und Angewandte Mathematik.
    Academic article
  • Owren, Brynjulf; Seip, Kristian. (1991) A uniqueness result related to the stability of explicit Runge-Kutta methods. BIT Numerical Mathematics. volum 31 (2).
    Academic article
  • Owren, Brynjulf; Seip, Kristian. (1990) Some stability results for explicit Runge-Kutta methods. BIT Numerical Mathematics. volum 30 (4).
    Academic article

Books

  • Gesztesy, Fritz; Hanche-Olsen, Harald; Jakobsen, Espen Robstad; Lyubarskii, Yurii; Risebro, Nils Henrik; Seip, Kristian. (2018) Non-linear Partial Differential Equations, Mathematical Physics, and Stochastic Analysis: The Helge Holden Anniversary Volume. European Mathematical Society (EMS) Publishing House. 2018. ISBN 978-3-03719-186-6.
    Academic anthology/Conference proceedings
  • Seip, Kristian; Mashreghi, Javad; Ransford, Thomas. (2010) Hilbert spaces of analytic functions. American Mathematical Society (AMS). 2010. ISBN 978-0-8218-4879-1.
    Academic anthology/Conference proceedings
  • Seip, Kristian. (2004) Interpolation and sampling in spaces of analytic functions. American Mathematical Society (AMS). 2004. ISBN 0-8218-3554-8. University Lecture Series (33).
    Academic monograph

Part of book/report

  • Saksman, Eero; Seip, Kristian. (2016) Some open questions in analysis for Dirichlet series. Recent Progress on Operator Theory and Approximation in Spaces of Analytic Functions.
    Academic chapter/article/Conference paper
  • Seip, Kristian. (2009) Interpolation by Dirichlet Series in H^infty. Linear and Complex Analysis: Dedicated to V.P. Havin on the Occasion of His 75th Birthday.
    Academic chapter/article/Conference paper
  • Hedenmalm, Håkan; Lindquist, Peter; Seip, Kristian. (1999) Addendum to "a Hilbert space of dirichlet series and systems of dilated functions in L%2(0,1)". Duke mathematical journal.
    Academic chapter/article/Conference paper

Report

  • Lyubarskii, Yurii; Seip, Kristian. (2001) A splitting problem for unconditional bases of complex exponentials. 2001. Israel mathematical conference proceedings. (15).
    Report

Teaching

Courses

  • MA2106 - Complex Function Theory and Differential Equations
  • MA3150 - Analytic Number Theory

Media

2022

  • Academic lecture
    Seip, Kristian. (2022) Contractive norm inequalities. 73rd British Mathematical Colloquium, Morning Lecture . King's College London; London. 2022-06-06 - 2022-06-09.
  • Academic lecture
    Seip, Kristian. (2022) Idempotent Fourier multipliers acting contractively on H^p spaces. Operators, Functions, Systems: Classical and Modern . Polish Academy of Sciences, Banach Center; Bedlewo. 2022-06-12 - 2022-06-18.
  • Academic lecture
    Seip, Kristian. (2022) Inequalities via Numerics. Theoretical and Computational Aspects of Dynamical Systems . NTNU; Trysil. 2022-12-12 - 2022-12-15.
  • Academic lecture
    Seip, Kristian. (2022) Point evaluation in Paley--Wiener spaces. Bordeaux Analysis Seminar . Université de Bordeaux; Bordeaux. 2022-12-01 - 2022-12-01.
  • Popular scientific lecture
    Seip, Kristian. (2022) Riemann-hypotesen. Onsdagsforelesning . Realfagsstudentene ved NTNU; 2022-05-04 - 2022-05-04.

2021

  • Academic lecture
    Seip, Kristian. (2021) Contractive inequalities for Hardy spaces. Colloquium on Analytic Function Spaces and their Applications . Fields Institute; Toronto (Zoom talk). 2021-10-22 - 2021-10-22.
  • Academic lecture
    Seip, Kristian. (2021) Contractive inequalities for Hardy spaces. 13th ISAAC Congress (online conference) . University of Ghent; Ghent (Zoom talks). 2021-08-02 - 2021-08-06.
  • Academic lecture
    Seip, Kristian. (2021) Contractive inequalities for Hardy spaces. ”Analysis Day” on the occasion of 80-th anniversary of Nikolai Nikolski . University of Bordeaux/St. Petersburg State University; Zoom talk, Bordeaux. 2021-07-05 - 2021-07-05.
  • Academic lecture
    Seip, Kristian. (2021) Idempotent Fourier multipliers acting contractively on H^p spaces. Frontiers of Operator Theory . CIRM; Luminy. 2021-11-29 - 2021-12-03.
  • Academic lecture
    Seip, Kristian. (2021) Idempotent Fourier multipliers acting contractively on H^p spaces. Analysis Seminar, Beograd . University of Beograd; Zoom talk, Beograd. 2021-05-12 - 2021-05-12.
  • Academic lecture
    Seip, Kristian. (2021) Idempotent Fourier multipliers acting contractively on H^p spaces. Geometric and Functional Analysis Seminer . University of Helsinki; Zoom talk, Helsinki. 2021-05-06 - 2021-05-06.
  • Popular scientific lecture
    Seip, Kristian. (2021) Riemann-hypotesen. Realfagsdagene 2021 . Delta, Linjeforeningen for matematikk og fysikk ved NTNU; Trondheim (online). 2021-03-09 - 2021-03-09.

2020

  • Academic lecture
    Seip, Kristian. (2020) Fourier interpolation with the zeros of the Riemann zeta function. Online Seminar on Complex Analysis and Allied Topics, Roma, Milano, Bologna . Universities of Rome (Tor Vergata), Milano, Bologna; Roma. 2020-10-06 - 2020-10-06.
  • Academic lecture
    Seip, Kristian. (2020) Fourier interpolation with the zeros of the Riemann zeta function. Inaugural Lecture Tblisi Analysis & PDE Seminar . University of Georgia; Tblisi (online). 2020-11-16 - 2020-11-16.
  • Academic lecture
    Seip, Kristian. (2020) Fourier interpolation with zeros of zeta and L-functions. Tel Aviv University Analysis Seminar . Tel Aviv University; Tel Aviv. 2020-06-16 - 2020-06-16.
  • Academic lecture
    Seip, Kristian. (2020) Fourier interpolation with zeros of zeta and L-functions. Analysis and PDE Webinar (IMPA) . IMPA; Rio de Janeiro. 2020-05-28 - 2020-05-28.

2019

  • Academic lecture
    Seip, Kristian. (2019) Encounters with the Riemann Zeta Function. Barcelona Analysis Conference 2019 . Universitat de Barcelona; Barcelona. 2019-06-25 - 2019-06-28.
  • Academic lecture
    Seip, Kristian. (2019) On and around the Riemann zeta function. Colloquium . Universidad Carlos III de Madrid; Madrid. 2019-12-03 - 2019-12-03.
  • Academic lecture
    Seip, Kristian. (2019) Some glimpses of the Riemann zeta function. Challenges and New Perspectives in Mathematics . Hassan II Academy of Sciences and Technology; Rabat. 2019-11-14 - 2019-11-15.
  • Academic lecture
    Seip, Kristian. (2019) The H^1 inequalities of Carleman and Hardy from a multiplicative point of view. Analysis, Probability, Number Theory and Their Interaction . King's College London; London. 2019-04-05 - 2019-04-05.
  • Academic lecture
    Seip, Kristian. (2019) Value Distribution of Some Zeta Functions. Holomorphic Days . University of Copenhagen; København. 2019-06-18 - 2019-06-19.
  • Academic lecture
    Seip, Kristian. (2019) Value distribution of Dirichlet series. Advanced Course, Intensive Research Programme, "Spaces of Analytic Functions: Approximation, Interpolation, Sampling"I . Centre de Recerca Matemàtica; Bellaterra, Barcelona. 2019-11-04 - 2019-11-07.
  • Academic lecture
    Seip, Kristian. (2019) Value distribution of some zeta functions. Interpolation in Spaces of Analytic Functions . CIRM Centre International de Rencontres Mathématiques; Luminy. 2019-11-18 - 2019-11-22.
  • Academic lecture
    Seip, Kristian. (2019) Value distribution of some zeta functions. New Trends in Complex and Fourier Analysis, and Operator Theory . Istituto Nationale di Alta Matematica; Roma. 2019-09-23 - 2019-09-27.
  • Academic lecture
    Seip, Kristian. (2019) Value distribution of some zeta functions. Explorations in Harmonic Analysis and Other realms, A conference honoring Alexander Olevskii's 80th birthday . Weizmann Institute; Rehovot. 2019-02-10 - 2019-02-14.
  • Academic lecture
    Seip, Kristian. (2019) Volterra operators on Hardy spaces of Dirichlet series. Spaces of Analytic Functions: Approximation, Interpolation, Sampling . Centre de Recerca Matemàtica; Bellaterra, Barcelona. 2019-11-25 - 2019-11-29.

2018

  • Academic lecture
    Seip, Kristian. (2018) Extreme values of the Riemann zeta function and its argument. N-Cube Days . Lund University; Lund. 2018-11-30 - 2018-12-01.
  • Academic lecture
    Seip, Kristian. (2018) Extreme values of the Riemann zeta function and its argument. International Conference on Complex Analysis Dedicated to the memory of Andrei Gonchar and Anatoliy Vitushkin . Steklov Mathematical Institute of Russian Academy of Science; Moskva. 2018-10-08 - 2018-10-09.
  • Academic lecture
    Seip, Kristian. (2018) Extreme values of the Riemann zeta function and its argument. Analysis of operators on function spaces: A conference dedicated to the mathematics of Serguei Shimorin . Institut Mittag-Leffler; Institut Mittag-Leffler. 2018-06-04 - 2018-06-05.
  • Academic lecture
    Seip, Kristian. (2018) Hardy and BMO spaces of Dirichlet series. International Conference on Complex Analysis, Potential Theory and Applications, in honour of Professor Stephen J Gardiner on the occassion of his 60th Birthday . University College Dublin; University College Dublin. 2018-06-11 - 2018-06-15.
  • Academic lecture
    Seip, Kristian. (2018) Hardy spaces of Dirichlet series and the Riemann zeta function. 6th Spring School of Analysis in Memory of Aleksander Pelczynski . Banach Center, Institute of Mathematics, PAS; Bedlewo. 2018-04-04 - 2018-04-08.
  • Popular scientific lecture
    Seip, Kristian. (2018) Some milestones in the search for patterns in the primes. Matematikkdøgnet . NTNU; NTNU, Trondheim. 2018-03-12 - 2018-03-12.
  • Popular scientific lecture
    Seip, Kristian. (2018) Yves Meyer -- the 2017 Abel Laureate. Forum for matematiske perler . NTNU; Institutt for matematiske fag, NTNU, Trondheim. 2018-01-27 - 2018-01-27.

2017

  • Academic lecture
    Seip, Kristian. (2017) A Survey on Analysis for Dirichlet Series. Control of Distributed Parameter Systems ; Bordeaux. 2017-07-03 - 2017-07-07.
  • Academic lecture
    Seip, Kristian. (2017) Analysis for Dirichlet Series and the Riemann Zeta Function. Computational Methods and Function Theory ; Lublin. 2017-07-10 - 2017-07-15.
  • Academic lecture
    Seip, Kristian. (2017) Hardy spaces of Dirichlet series and the Riemann zeta function. Conference on Nonlinear Functional Analysis . Universitat Polytecnica de Valencia; Valencia. 2017-10-17 - 2017-10-20.
  • Academic lecture
    Seip, Kristian. (2017) Interaction between number theory and analysis for Dirichlet series. Lecture Course, Simons Semester "Emergent trends in complex analysis and functional analysis" . Institute of Mathematics, Polish Academy of Sciences; Warszawa. 2017-06-05 - 2017-06-08.
  • Popular scientific lecture
    Seip, Kristian. (2017) Om primtall, primtallstvillinger og primtallsgap. Onsdagsseminar for realfagsstudenter . Realfagsstudenter ved NTNU; NTNU. 2017-09-13 - 2017-09-13.
  • Academic lecture
    Seip, Kristian. (2017) On the growth of the Riemann zeta function and its argument. Distinguished Colloquium . University of Reading; Reading. 2017-12-06 - 2017-12-06.
  • Popular scientific lecture
    Seip, Kristian. (2017) Some milestones in research on the distribution of the primes. Finale i Abelkonkurransen . Norsk matematisk forening; Trondheim. 2017-03-08 - 2017-03-08.
  • Popular scientific lecture
    Seip, Kristian. (2017) Yves Meyer - vinner av Abelprisen 2017. Norsk matematikkråd, årsmøte . Norsk matematikkråd; Bodø. 2017-09-28 - 2017-09-28.

2016

  • Academic lecture
    Seip, Kristian. (2016) Analysis for Dirichlet Series and Analytic Number Theory. Minikurs . Universite Lille Nord de France; Lille. 2016-06-24 - 2016-06-29.
  • Academic lecture
    Seip, Kristian. (2016) From Gál's theorem to extreme values of the Riemann zeta function. Harmonic Analysis, Complex Analysis, Spectral Theory and All That, Conference in Honour of Sasha Volberg . Banach Center; Bedlewo. 2016-08-01 - 2016-08-05.
  • Academic lecture
    Seip, Kristian. (2016) Gal type GCD sums and extreme values of the Riemann zeta function. Number Theory Seminar . University of Cambridge; Cambridge. 2016-03-01 - 2016-03-01.
  • Academic lecture
    Seip, Kristian. (2016) Gál type GCD sums and extreme values of the Riemann zeta function. Analysis and Probability, Conference in Honour of Jean-Pierre Kahane . Universite de Paris Sud; Orsay and Paris. 2016-07-04 - 2016-07-07.
  • Academic lecture
    Seip, Kristian. (2016) Gál type GCD sums and extreme values of the Riemann zeta function. Number Theory Seminar . Universite de Lorraine; Nancy. 2016-06-30 - 2016-06-30.
  • Academic lecture
    Seip, Kristian. (2016) Hardy spaces of Dirichlet series and pseudomoments of the Riemann zeta function. Gjesteforelesning Universite Paris-Est Marne-la-Vallee ; 2016-12-08 - 2016-12-08.
  • Academic lecture
    Seip, Kristian. (2016) Large GCD sums and extreme values of the Riemann zeta function. 27th Nordic Congress of Mathematicians . Institut Mittag-Leffler; Stockholm. 2016-03-16 - 2016-03-20.
  • Academic lecture
    Seip, Kristian. (2016) Lower bounds for extreme values of the Riemann zeta function. 7th European Congress of Mathematics . European Mathematical Society; Berlin. 2016-07-18 - 2016-07-22.
  • Academic lecture
    Seip, Kristian. (2016) On the growth of the Riemann zeta function. Colloquium King's College London . King's College London; London. 2016-10-21 - 2016-10-21.
  • Academic lecture
    Seip, Kristian. (2016) On the growth of the Riemann zeta function. Colloquium University of Helsinki . University of Helsinki; Helsinki. 2016-09-28 - 2016-09-28.
  • Academic lecture
    Seip, Kristian. (2016) Operator theory for Dirichlet series. Analysis seminar . King's College London; London. 2016-10-20 - 2016-10-20.
  • Popular scientific lecture
    Seip, Kristian. (2016) Riemanns zeta-funksjon og Riemann-hypotesen. Foredrag i regi av linjeforeningen Nabla . Nabla; Auditorium S4, NTNU Gløshaugen. 2016-04-05 - 2016-04-05.
  • Academic lecture
    Seip, Kristian; Bondarenko, Andrii. (2016) Extreme values of the Riemann zeta function. Analytic Number Theory . Mathematisches Forschungsinstitut Oberwolfach; Oberwolfach. 2016-11-07 - 2016-11-11.

2015

  • Academic lecture
    Seip, Kristian. (2015) Hardy spaces of Dirichlet series and number theory. Recent Trends in Operator Theory and Functional Analysis . Universite de Lille; Lille. 2015-06-08 - 2015-06-12.
  • Academic lecture
    Seip, Kristian. (2015) Large GCD sums and extreme values of the Riemann zeta function. A Conference in Number Theory Celebrating the 65th Birthday of R. Balasubramanian . The Institute of Mathematical Sciences; Chennai. 2015-12-14 - 2015-12-18.
  • Academic lecture
    Seip, Kristian. (2015) Multiplicative Hankel matrices. Completeness Problems, Carleson Measures and Spaces of Analytic Functions . Institut Mittag-Leffler; Djursholm. 2015-06-29 - 2015-07-03.
  • Academic lecture
    Seip, Kristian. (2015) Multiplicative Hankel matrices. Colloquium Talk . Universidad Autonoma de Madrid; Madrid. 2015-02-27 - 2015-02-27.
  • Academic lecture
    Seip, Kristian. (2015) Operators on Hardy spaces of Dirichlet series. Frontiers of Singular Integrals . University of Helsinki; Helsinki. 2015-06-02 - 2015-06-05.

2014

  • Academic lecture
    Seip, Kristian. (2014) Additive og multiplikative Hankel-former. Ski og matematikk 2014 . Norsk matematisk forening; Rondablikk høyfjellshotell. 2014-01-02 - 2014-01-05.
  • Academic lecture
    Seip, Kristian. (2014) An inequality of Hardy-Littlewood type for Dirichlet polynomials. IWOTA . Vrije University; Amsterdam. 2014-07-14 - 2014-07-18.
  • Academic lecture
    Seip, Kristian. (2014) Dirichlet Series and Analysis on Polydiscs. Minicourse Postgraduate Excellence Program . Universidad Autonoma de Madrid; Madrid. 2014-07-03 - 2014-07-10.
  • Academic lecture
    Seip, Kristian. (2014) Hankel and composition operators on spaces of Dirichlet series. Function Spaces and Harmonic Analysis . CIRM; Luminy, Marseille. 2014-10-27 - 2014-10-31.
  • Academic lecture
    Seip, Kristian. (2014) Poisson integrals on polydiscs. Complex Analysis and Related Topics . Chebyshev Laboratory; St. Petersburg. 2014-04-14 - 2014-04-18.

2013

  • Academic lecture
    Seip, Kristian. (2013) Analysis on Polydiscs. Stockholm Mathematics Center Colloquium . KTH/Stockholm University; Stockholm. 2013-11-27 - 2013-11-27.
  • Academic lecture
    Seip, Kristian. (2013) Analysis on Polydiscs. Kollokvium Universitetet i Oslo . Universitetet i Oslo; Oslo. 2013-06-19 - 2013-06-19.
  • Academic lecture
    Seip, Kristian. (2013) Polynomials on Polydiscs. 26th Nordic and First European-Nordic Congress of Mathematics . Nordic Mathematical Societies, European Mathematical Society; Lund. 2013-06-10 - 2013-06-13.

2012

  • Academic lecture
    Seip, Kristian. (2012) Analysis on polydiscs. Colloquium University of Lund . University of Lund; Lund. 2012-12-14 - 2012-12-14.
  • Academic lecture
    Seip, Kristian. (2012) Boundary values and zeros of functions in Hilbert spaces of Dirichlet series; GCD sums from Poisson integrals and systems of dilated functions. EMS Lecturer 2012 . European Mathematical Society; Tel Aviv University. 2012-11-06 - 2012-11-08.
  • Academic lecture
    Seip, Kristian. (2012) Estimates for Dirichlet polynomials. EMS Lectures 2012 . CRM Barcelona/European Mathematical Society; CRM Barcelona. 2012-02-20 - 2012-02-23.
  • Academic lecture
    Seip, Kristian. (2012) Function theory of Hardy spaces of Dirichlet series. International Symposium on Orthogonal Polynomials and Special Functions -- a Complex Analytic Perspective . Københavns universitet; København. 2012-06-11 - 2012-06-15.
  • Academic lecture
    Seip, Kristian. (2012) GCD sums from Poisson integrals and systems of dilated functions. Operator related function theory and time frequency analysis . Centre for Advanced Study; Norwegian Academy of Science and Letters, Oslo. 2012-09-26 - 2012-09-26.
  • Academic lecture
    Seip, Kristian. (2012) Hankel forms and a conjecture of Helson. HCAA 2012 . ESF project HCAA; Puerto de la Cruz, Tenerife. 2012-03-05 - 2012-03-09.
  • Academic lecture
    Seip, Kristian. (2012) Interpolation and sampling in small Bergman spaces. Analyseseminar NTNU ; 2012-02-27 - 2012-02-27.

2011

  • Academic lecture
    Seip, Kristian. (2011) Cyclicity of singular inner functions from the corona theorem. NTNU Analysis Seminar . NTNU; Trondheim. 2011-02-14 - 2011-02-14.
  • Academic lecture
    Seip, Kristian. (2011) Hankel forms and a conjecture of Helson. Analyseseminar NTNU . NTNU; Trondheim. 2011-09-19 - 2011-09-19.
  • Academic lecture
    Seip, Kristian. (2011) Hankel forms and a conjecture of Helson. Recent Trends in Analysis in Honor of Nikolai Nikolski . Universite Bordeaux 1; Bordeaux. 2011-08-31 - 2011-09-03.
  • Academic lecture
    Seip, Kristian. (2011) Hankel forms and estimates for Dirichlet polynomials. International Workshop on Operator Theory and Applications (IWOTA) 22 ; 2011-07-04 - 2011-07-08.
  • Academic lecture
    Seip, Kristian. (2011) Hardy spaces of Dirichlet series and function theory on polydiscs. KAWA 2 - Winterschool in Complex Analysis and Geometry ; CIRM, Luminy. 2011-01-31 - 2011-02-05.
  • Academic lecture
    Seip, Kristian. (2011) The Bohnenblust-Hille inequality for homogeneous polynomials. Holomorphic Day . University of Copenhagen; København. 2011-04-15 - 2011-04-15.

2010

  • Academic lecture
    Seip, Kristian. (2010) Bounded analytic functions on the infinite polydisc. 14th Nordan conference in Complex Analysis and Geometry ; Gøteborg. 2010-05-07 - 2010-05-09.
  • Academic lecture
    Seip, Kristian. (2010) Discrete Hilbert transforms and systems of reproducing kernels. Journees d'Analyse . Universite de Bordeaux I; Bordeaux. 2010-09-27 - 2010-09-29.
  • Academic lecture
    Seip, Kristian. (2010) Discrete Hilbert transforms and systems of reproducing kernels. Functional Analysis Valencia 2010 . Universitat de Valencia/Politecnica Valencia; Valencia. 2010-06-07 - 2010-06-11.
  • Academic lecture
    Seip, Kristian. (2010) Estimates for Dirichlet polynomials. Mini course (4 lectures) . United Arab Emirates University (UAEU); Al Ain. 2010-10-04 - 2010-10-07.
  • Academic lecture
    Seip, Kristian. (2010) Hankel operators and the Bergman metric for Fock spaces. Workshop in Operator Theory and Complex Analysis . Universite de Lyon; Lyon. 2010-11-29 - 2010-11-30.
  • Academic lecture
    Seip, Kristian. (2010) Introduction about the Abel Prize. Symposium for John Torrence Tate . Kungliga Vetenskapsakademien; Stockholm. 2010-05-31 - 2010-05-31.
  • Academic lecture
    Seip, Kristian. (2010) L^∞ to L^p constants for Riesz projections. Analyseseminar . Universite de Provence; Marseille. 2010-06-25 - 2010-06-25.
  • Popular scientific lecture
    Seip, Kristian. (2010) The Abel Prize - A Century-Old Dream That Came True. Guest Lecture UAEU . United Arab Emirates University (UAEU); Al Ain. 2010-10-05.

2009

  • Academic lecture
    Seip, Kristian. (2009) Bounded analytic functions in infinite polydiscs. Workshop on multivariable operator theory . Fields Institute; Toronto. 2009-08-10 - 2009-08-14.
  • Academic lecture
    Seip, Kristian. (2009) Hardy spaces of Dirichlet series. Analysis seminar . Universite de Metz; Metz. 2009-01-23 - 2009-01-23.
  • Academic lecture
    Seip, Kristian. (2009) Hardy spaces of Dirichlet series and function theory in polydiscs. Norwegian Fall School on Analysis . NTNU/Universitetet i Bergen; Steinkjer. 2009-09-10 - 2009-09-13.
  • Popular scientific lecture
    Seip, Kristian. (2009) The Abel Prize - a century old dream that came true. Colloquium Talk . Universite de Metz; Metz. 2009-01-22 - 2009-01-22.
  • Academic lecture
    Seip, Kristian. (2009) The Bohnenblust-Hille inequality for homogeneous polynomials is hypercontractive. Analysis seminar . Universite de Provence; Marseille. 2009-07-02 - 2009-07-02.
  • Academic lecture
    Seip, Kristian. (2009) The Feichtinger conjecture in model subspaces of H^2. Strobl 09 Conference on Time-Frequency ; 2009-06-15 - 2009-06-20.
  • Academic lecture
    Seip, Kristian. (2009) Unitary discrete Hilbert transforms. Analysis seminar . Universite de Provence; Marseille. 2009-10-12 - 2009-10-12.
  • Academic lecture
    Seip, Kristian. (2009) Unitary discrete Hilbert transforms. International Workshop on Complex Analysis dedicated to the 65th anniversary of Professor Arne Stray . Universitetet i Bergen; 2009-11-30 - 2009-12-02.
  • Academic lecture
    Seip, Kristian. (2009) Why Bohr got interested in his radius and what it has led to. Kollokvium . Universidad Autonoma de Madrid; Madrid. 2009-12-11 - 2009-12-11.

2005

  • Academic lecture
    Seip, Kristian. (2005) Extremal Functions. Recent Advances in Operator-Related Function Theory, II . Universidad Autonoma de Madrid; El Escorial. 2005-10-06 - 2005-10-08.

2004

  • Academic lecture
    Seip, Kristian. (2004) Interpolation and Sampling. 2nd International Course of Mathematical Analysis in Andalucia . University of Granada; Granada. 2004-09-20 - 2004-09-24.
  • Academic lecture
    Seip, Kristian. (2004) Surjective Toeplitz operators. IWOTA - International Workshop on Operator Theory and Applications . University of Newcastle; Newcastle upon Tyne. 2004-07-12 - 2004-12-16.

2003

  • Academic lecture
    Seip, Kristian. (2003) Extremal functions. Colloquium Lecture . Colloquium, State University of New York at Albany; Albany, New York, USA. 2003-03-28 - 2003-03-28.
  • Academic lecture
    Seip, Kristian. (2003) Extremal functions as divisors for kernels of Toeplitz operators. Analysis Seminar . Analysis Seminar, Michigan State University, East Lansing; East Lansing, Michigan, USA. 2003-03-19.
  • Academic lecture
    Seip, Kristian. (2003) Harmonic measure on Swiss cheeses with uniformly spaced holes. First Joint Meeting RSME-AMS, Special Session on Banach Spaces of Analytic Functions . [Mangler data]; Sevilla, Spain. 2003-06-21.
  • Academic lecture
    Seip, Kristian. (2003) Interpolation and sampling in the unit disk. [Mangler data] . Six Seminar Lectures, University of Michigan, Ann Arbor; Ann Arbor, Michigan, USA. 2003-03-25.
  • Academic lecture
    Seip, Kristian. (2003) Interpolation problems in Spaces of Analytic Functions. [Mangler data] . Colloquium, University of Toledo; University of Toledo, Ohio, USA. 2003-03-21.
  • Academic lecture
    Seip, Kristian. (2003) The constant of interpolation. Third Conference of the European Research Network "Analysis and Operators" . [Mangler data]; Adeje, Tenerife, Spain. 2003-05-26.

2002

  • Academic lecture
    Seip, Kristian. (2002) Extremal functions as contractive or expansive divisors for kernels of Toeplitz operators. Seminar Talk, University of Helsinki. . [Mangler data]; Helsinki, Finland. 2002-01-02.
  • Academic lecture
    Seip, Kristian. (2002) Extremal functions as divisors for kernels of Toeplitz operators. NORDAN 2002, Nordic Complex Analysis Meeting . [Mangler data]; Reykjavik. 2002-03-10.
  • Academic lecture
    Seip, Kristian. (2002) Kernels of Toeplitz operators via extremal functions. Seminar Lecture . Seminarium i analys og dynamiska system; Kungliga tekniska høgskolan, Stockholm. 2002-04-03 - 2002-04-03.
  • Academic lecture
    Seip, Kristian. (2002) Recent encounters with Toeplitz operators and coinvariant subspaces. Abel Bicentennial Conference 2002 . [Mangler data]; Universitetet i Oslo. 2002-06-07.
  • Academic lecture
    Seip, Kristian. (2002) Sampling, interpolation, and Toeplitz operators. Congreso RSME 2002, Real Sociedad Matematica Espanola . [Mangler data]; Puerto de la Cruz, Tenerife. 2002-02-01.
  • Academic lecture
    Seip, Kristian. (2002) Sampling, interpolation, and Toeplitz operators. Finnish Mathematical days. . [Mangler data]; Joensuu, Finland. 2002-01-08.

2001

  • Academic lecture
    Seip, Kristian. (2001) The Carleson condition and interpolation in Holomorphic spaces. [Mangler data] . Universite Bordeaux I; Bordeaux. 2001-07-05.

2000

  • Academic lecture
    Seip, Kristian. (2000) Analysis at the Nyquist rate. Functional Analysis Valencia 2000 . [Mangler data]; Valencia, 3.-7. juli 2000.
  • Academic lecture
    Seip, Kristian. (2000) Fourier frames. [Mangler data] . [Mangler data]; Chalmers tekniska högskola og Göteborgs universitet, 7. desember 2000.
  • Academic lecture
    Seip, Kristian. (2000) Frames and Riesz bases of reproducing kernels in holomorphic spaces. Rajchman - Zygmund - Marcinkiewicz Symposium . [Mangler data]; Bedlewo, Poland, 15.-21. October 2000..
  • Academic lecture
    Seip, Kristian. (2000) Frames of complex exponentials and problems of norm equivalence for Hilbert spaces of entire functions. International Workshop on Operator Theory and Its Applications . [Mangler data]; Université Bordeaux, 13.-16. juni 2000.

1999

  • Academic lecture
    Seip, Kristian. (1999) Equivalent norms for the Paley-Wiener space. Functional Analysis and related topics . [Mangler data]; Helsinki.
  • Academic lecture
    Seip, Kristian. (1999) Multipliers for entire functions and an interpolation problem of Beurling. Gelbart memorial Lectures . [Mangler data]; Bar-Ilan University, Ramat Gan, Israel, 21.11.1999.
  • Academic lecture
    Seip, Kristian. (1999) Nonharmonic Fourier Series and Some Harmonic Connections. Gelbart memorial Lectures . [Mangler data]; Bar-Ilan University, Ramat Gan, Israel, 22.11.1999.
  • Academic lecture
    Seip, Kristian. (1999) Sampling sequences. SampTA'99 . [Mangler data]; Loen, Norge.
  • Academic lecture
    Seip, Kristian. (1999) Sampling sequences. SampTA'99 . [Mangler data]; Loen, Norge.
  • Academic lecture
    Seip, Kristian. (1999) Weighted Paley-Wiener Spaces. Analysis Seminar . [Mangler data]; University of Barcelona.
  • Academic lecture
    Seip, Kristian. (1999) Weighted Paley-Wiener Spaces. Analysis Seminar . [Mangler data]; University of Barcelona.

1998

  • Academic lecture
    Seip, Kristian. (1998) Developments from nonharmonic Fourier series. International Congress of Mathematicians . [Mangler data]; Berlin.
  • Popular scientific lecture
    Seip, Kristian. (1998) The weights of weighted Paley-Wiener spaces. [Mangler data] . [Mangler data]; Imperial College.

1997

  • Popular scientific lecture
    Seip, Kristian. (1997) Beurling-type density theorems for weighted LP spaces of entire functions. Entire functions in modern analysis . [Mangler data]; Tel Aviv.
  • Popular scientific lecture
    Seip, Kristian. (1997) Funksjonsteori i Bergman-rom. Ski og matematikk . [Mangler data]; Gausdal.
  • Academic lecture
    Seip, Kristian. (1997) On some interpolation problems for entire functions and the Hunt-Muckenhoupt-Wheeden theorem. Complex Analysis and Differential Equations . [Mangler data]; Uppsala.
  • Popular scientific lecture
    Seip, Kristian. (1997) Sampling and interpolation in some holomorphic spaces. [Mangler data] . [Mangler data]; University College, Cork.

1995

  • Popular scientific lecture
    Seip, Kristian. (1995) A Hilbert space of Dirichlet series and systems of dilated functions in L2(0,1). Linear Problems in Analysis . [Mangler data]; [Mangler data].
  • Popular scientific lecture
    Seip, Kristian. (1995) A new application of Dirichlet series. Matematisk felleskollokvium . [Mangler data]; [Mangler data].
  • Popular scientific lecture
    Seip, Kristian. (1995) Completeness and basicity of @(_f(nx)@) in L%2(0,1). [Mangler data] . [Mangler data]; [Mangler data].
  • Popular scientific lecture
    Seip, Kristian. (1995) Frames and bases of complex exponentials. [Mangler data] . [Mangler data]; [Mangler data].
  • Popular scientific lecture
    Seip, Kristian. (1995) Interpolating sequences and invariant subspaces of infinite index in Bergman spaces. [Mangler data] . [Mangler data]; [Mangler data].
  • Popular scientific lecture
    Seip, Kristian. (1995) Sampling and interpolation in spaces of holomorphic functions. [Mangler data] . [Mangler data]; [Mangler data].

1994

  • Popular scientific lecture
    Seip, Kristian. (1994) Extensions of the Blaschke condition. 3rd Analysis Symposium . [Mangler data]; Bern. 1994-07-10 - 1994-07-14.
  • Popular scientific lecture
    Seip, Kristian. (1994) Growth and zeros of functions in Bergman space. AMS Summer Research Conference "Bergman Spaces and the Operators That Act on Them" . [Mangler data]; [Mangler data].
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