Ole Fredrik Brevig

Postdoktor - Flere komplekse variable, logikk og operatoralgebraer

$Bilde av Ole Fredrik Brevig$

English version of this page

E-post obrevig@math.uio.no

Rom 1107

Brukernavn

Besøksadresse Moltke Moes vei 35 Niels Henrik Abels hus 0851 Oslo

Postadresse Postboks 1053 Blindern 0316 Oslo

Last ned visittkort

Faglige interesser

Jeg er interessert i rom av analytiske funksjoner, operatorteori og analytisk tallteori.

Se arXiv for preprints.
Jeg arrangerte mini-workshopen Analysis & Number Theory, 8.–9. desember, 2022.
Jeg var medarrangør for konferansen Excursions in Analysis, 14.–17. juni, 2022.
Jeg arrangerte workshopen Dirichlet Series and Operator Theory, 16.–18. juni, 2021.

Undervisning

Vår 2024: MAT1060 Matematikk for anvendelser 2.
Vår 2022: MAT3400/MAT4400 Lineær analyse med anvendelser.
Høst 2021: MAT1120 Lineær algebra.
Vår 2021: MAT3400/MAT4400 Lineær analyse med anvendelser.

Bakgrunn

2017–2020: Postdoktor ved Institutt for matematiske fag, NTNU.
2017: PhD i Matematiske fag, NTNU.

Emneord: Matematikk, kompleks analyse, operatorteori, analytisk tallteori

Brevig, Ole Fredrik (2024). The best constant in a Hilbert-type inequality. Expositiones mathematicae. ISSN 0723-0869. 42(1). doi: 10.1016/j.exmath.2023.125530. Fulltekst i vitenarkiv
Brevig, Ole Fredrik & Kouroupis, Athanasios (2024). An extension of Bohr's theorem. Proceedings of the American Mathematical Society. ISSN 0002-9939. 152(1), s. 371–374. doi: 10.1090/proc/16622. Fulltekst i vitenarkiv
Brevig, Ole Fredrik & Seip, Kristian (2024). Maximal norm Hankel operators. Journal of Mathematical Analysis and Applications. ISSN 0022-247X. 529(2). doi: 10.1016/j.jmaa.2023.127221. Fulltekst i vitenarkiv
Brevig, Ole Fredrik; Perfekt, Karl-Mikael & Pushnitski, Alexander (2023). The spectrum of some Hardy kernel matrices. Annales de l'Institut Fourier. ISSN 0373-0956. doi: 10.5802/aif.3589. Fulltekst i vitenarkiv
Brevig, Ole Fredrik; Ortega-Cerdà, Joaquim & Seip, Kristian (2023). Hilbert points in Hardy spaces. St. Petersburg Mathematical Journal. ISSN 1061-0022. 34(3), s. 405–425. doi: 10.1090/spmj/1760. Fulltekst i vitenarkiv
Brevig, Ole Fredrik & Grepstad, Sigrid (2023). Hilbert points in Hilbert space-valued L^p spaces. North-Western European Journal of Mathematics. ISSN 2496-5170. 9, s. 17–29. Fulltekst i vitenarkiv
Brevig, Ole Fredrik & Perfekt, Karl-Mikael (2023). The Nehari problem for the Paley--Wiener space of a disc. Journal of Geometric Analysis. ISSN 1050-6926. 33(1). doi: 10.1007/s12220-022-01063-2. Fulltekst i vitenarkiv
Brevig, Ole Fredrik; Grepstad, Sigrid & Instanes, Sarah May (2022). F. Wiener’s Trick and an Extremal Problem for H^p. Computational methods in Function Theory. ISSN 1617-9447. 23(4), s. 697–722. doi: 10.1007/s40315-022-00469-x. Fulltekst i vitenarkiv
Brevig, Ole Fredrik (2022). Minimal norm Hankel operators. Proceedings of the American Mathematical Society. ISSN 0002-9939. 150(10), s. 4383–4391. doi: 10.1090/proc/15969. Fulltekst i vitenarkiv
Brevig, Ole Fredrik & Perfekt, Karl-Mikael (2022). Orthogonal decomposition of composition operators on the $H^2$ space of Dirichlet series. Journal of Functional Analysis. ISSN 0022-1236. 282(5). doi: 10.1016/j.jfa.2021.109353. Fulltekst i vitenarkiv
Brevig, Ole Fredrik; Ortega-Cerdà, Joaquim & Seip, Kristian (2021). Idempotent Fourier multipliers acting contractively on H^p spaces. Geometric and Functional Analysis. ISSN 1016-443X. 31(6), s. 1377–1413. doi: 10.1007/s00039-021-00586-0. Fulltekst i vitenarkiv
Brevig, Ole Fredrik & Perfekt, Karl-Mikael (2021). A mean counting function for Dirichlet series and compact composition operators. Advances in Mathematics. ISSN 0001-8708. 385. doi: 10.1016/j.aim.2021.107775. Fulltekst i vitenarkiv
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. ISSN 0022-247X. 497(2). doi: 10.1016/j.jmaa.2020.124908. Fulltekst i vitenarkiv
Brevig, Ole Fredrik & Miheisi, Nazar (2021). Projecting onto Helson matrices in Schatten classes. Studia Mathematica. ISSN 0039-3223. 256(1), s. 109–119. doi: 10.4064/sm190901-24-3. Fulltekst i vitenarkiv
Brevig, Ole Fredrik & Saksman , Eero (2020). Coefficient estimates for Hp spaces with 0<p<1. Proceedings of the American Mathematical Society. ISSN 0002-9939. 148(9), s. 3911–3924. doi: 10.1090/proc/14995. Fulltekst i vitenarkiv
Brevig, Ole Fredrik & Perfekt, Karl-Mikael (2020). Norms of composition operators on the $H^2$ space of Dirichlet series. Journal of Functional Analysis. ISSN 0022-1236. 278(2). doi: 10.1016/j.jfa.2019.108320. Fulltekst i vitenarkiv
Brevig, Ole Fredrik; Perfekt, Karl-Mikael & Seip, Kristian (2019). Volterra operators on Hardy spaces of Dirichlet series. Journal für die Reine und Angewandte Mathematik. ISSN 0075-4102. 2019(754), s. 179–223. doi: 10.1515/crelle-2016-0069. Fulltekst i vitenarkiv
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. ISSN 0002-9947. 372(9), s. 6677–6702. doi: 10.1090/tran/7898. Fulltekst i vitenarkiv
Brevig, Ole Fredrik (2019). Linear functions and duality on the infinite polytorus. Collectanea Mathematica. ISSN 0010-0757. 70(3), s. 493–500. doi: 10.1007/s13348-019-00243-8. Fulltekst i vitenarkiv
Bayart, Frederic & Brevig, Ole Fredrik (2019). Composition operators and embedding theorems for some function spaces of Dirichlet series. Mathematische Zeitschrift. ISSN 0025-5874. 293(3-4), s. 989–1014. doi: 10.1007/s00209-018-2215-x. Fulltekst i vitenarkiv
Bayart, Frédéric; Brevig, Ole Fredrik; Haimi, Antti; Ortega-Cerdà, Joaquim & Perfekt, Karl-Mikael (2019). Contractive inequalities for Bergman spaces and multiplicative Hankel forms. Transactions of the American Mathematical Society. ISSN 0002-9947. 371(1), s. 681–707. doi: 10.1090/tran/7290. Fulltekst i vitenarkiv
Brevig, Ole Fredrik & Heap, Winston (2019). High pseudomoments of the Riemann zeta function. Journal of Number Theory. ISSN 0022-314X. 197, s. 383–410. doi: 10.1016/j.jnt.2018.10.001. Fulltekst i vitenarkiv
Brevig, Ole Fredrik; Ortega-Cerdà, Joaquim; Seip, Kristian & Zhao, Jing (2018). Contractive inequalities for Hardy spaces. Functiones et Approximatio Commentarii Mathematici. ISSN 0208-6573. 59(1), s. 41–56. doi: 10.7169/facm/1680. Fulltekst i vitenarkiv
Bondarenko, Andrii; Brevig, Ole Fredrik; Saksman , Eero; Seip, Kristian & Zhao, Jing (2018). Pseudomoments of the Riemann zeta function. Bulletin of the London Mathematical Society. ISSN 0024-6093. 50(4), s. 709–724. doi: 10.1112/blms.12183. Fulltekst i vitenarkiv
Brevig, Ole Fredrik (2017). Sharp norm estimates for composition operators and Hilbert-type inequalities. Bulletin of the London Mathematical Society. ISSN 0024-6093. 49(6), s. 965–978. doi: 10.1112/blms.12092. Fulltekst i vitenarkiv
Bayart, Frederic & Brevig, Ole Fredrik (2017). Compact composition operators with non-linear symbols on the $H^2$ space of Dirichlet series. Pacific Journal of Mathematics. ISSN 0030-8730. 291(1), s. 81–120. doi: 10.2140/pjm.2017.291.81. Fulltekst i vitenarkiv
Brevig, Ole Fredrik (2017). An embedding constant for the Hardy space of Dirichlet series. Proceedings of the American Mathematical Society. ISSN 0002-9939. 145(4), s. 1639–1641. doi: 10.1090/proc/13330.
Brevig, Ole Fredrik & Perfekt, Karl-Mikael (2016). Weak Product Spaces of Dirichlet Series. Integral equations and operator theory. ISSN 0378-620X. 86(4), s. 453–473. doi: 10.1007/s00020-016-2320-3.
Brevig, Ole Fredrik; Perfekt, Karl-Mikael; Seip, Kristian; Siskakis, Aristomenis & Vukotic, Dragan (2016). The multiplicative Hilbert matrix. Advances in Mathematics. ISSN 0001-8708. 302, s. 410–432. doi: 10.1016/j.aim.2016.07.019. Fulltekst i vitenarkiv
Brevig, Ole Fredrik & Heap, Winston Paul (2016). Convergence abscissas for Dirichlet series with multiplicative coefficients. Expositiones mathematicae. ISSN 0723-0869. 34(4), s. 448–453. doi: 10.1016/j.exmath.2015.10.005.
Brevig, Ole Fredrik & Bailleul, Maxime (2016). Composition operators on Bohr-Bergman spaces of Dirichlet series. Annales Academiae Scientiarum Fennicae Mathematica. ISSN 1239-629X. 41(1), s. 129–142. doi: 10.5186/aasfm.2016.4104. Fulltekst i vitenarkiv
Brevig, Ole Fredrik (2016). Zeros of functions in Bergman-type Hilbert spaces of Dirichlet series. Mathematica Scandinavica. ISSN 0025-5521. 119(2), s. 237–248. doi: 10.7146/math.scand.a-24745.
Brevig, Ole Fredrik & Perfekt, Karl-Mikael (2015). Failure of Nehari's theorem for multiplicative Hankel forms in Schatten classes. Studia Mathematica. ISSN 0039-3223. 228(2), s. 101–108. doi: 10.4064/sm228-2-1.
Brevig, Ole Fredrik (2014). On the Sidon constant for Dirichlet polynomials. Bulletin des Sciences Mathématiques. ISSN 0007-4497. 138(5), s. 656–664. doi: 10.1016/j.bulsci.2013.12.002.

Se alle arbeider i Cristin

Brevig, Ole Fredrik (2023). Corrigendum: Sharp norm estimates for composition operators and Hilbert-type inequalities. Bulletin of the London Mathematical Society. ISSN 0024-6093. 49(6), s. 965–978. doi: 10.1112/blms.12938.
Brevig, Ole Fredrik & Perfekt, Karl-Mikael (2023). Correction to: Weak Product Spaces of Dirichlet Series. Integral equations and operator theory. ISSN 0378-620X. 95(3). doi: 10.1007/s00020-023-02736-5.