Kristian Seip

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

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.
Scientific anthology

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

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.
Scientific anthology

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

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).
Scientific monography
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
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

Scientific articles

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.
Scientific anthology
Seip, Kristian; Mashreghi, Javad; Ransford, Thomas. (2010) Hilbert spaces of analytic functions. American Mathematical Society (AMS). 2010. ISBN 978-0-8218-4879-1.
Scientific anthology
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).
Scientific monography

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
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
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

Report

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

Teaching

Courses

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].

Språkvelger

Kristian Seip

Kristian Seip

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Recent Professional Experience at foreign institutions

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