Article

Chandler-Wilde, Simon N., Hagger, Raffael, Perfekt, Karl-Mikael and Virtanen, Jani A. (2023) On the spectrum of the double-layer operator on locally-dilation-invariant Lipschitz domains. Numerische Mathematik, 153. pp. 653-699. ISSN 0029-599X doi: https://doi.org/10.1007/s00211-023-01353-z

Bonnet-Ben Dhia, Anne-Sophie, Chandler-Wilde, Simon N., Fliss, Sonia, Hazard, Cristophe, Perfekt, Karl-Mikael and Tjandrawidjaja, Yohanes (2022) The complex-scaled half-space matching method. SIAM Journal on Mathematical Analysis (SIMA), 54 (1). pp. 512-557. ISSN 0036-1410 doi: https://doi.org/10.1137/20M1387122

Carlsson, Marcus and Perfekt, Karl-Mikael (2021) Nehari's theorem for convex domain Hankel and Toeplitz operators in several variables. International Mathematics Research Notices, 2021 (5). pp. 3331-3361. ISSN 1073-7928 doi: https://doi.org/10.1093/imrn/rnz193

Perfekt, Karl-Mikael (2021) Plasmonic eigenvalue problem for corners: limiting absorption principle and absolute continuity in the essential spectrum. Journal de Mathématiques Pures et Appliquées, 145. pp. 130-162. ISSN 0021-7824 doi: https://doi.org/10.1016/j.matpur.2020.07.001

Perfekt, Karl-Mikael (2021) Rectangular summation of multiple Fourier series and multi-parametric capacity. Potential Analysis, 55 (3). pp. 389-402. ISSN 0926-2601 doi: https://doi.org/10.1007/s11118-020-09861-5

D'Onofrio, Luigi, Greco, Luigi, Perfekt, Karl-Mikael, Sbordone, Carlo and Schiattarella, Roberta (2020) Atomic decompositions, two stars theorems, and distances for the Bourgain-Brezis-Mironescu space and other big spaces. Annales de l'Institut Henri Poincare (C) Analyse Non Lineaire, 37 (3). pp. 653-661. ISSN 0294-1449 doi: https://doi.org/10.1016/j.anihpc.2020.01.004

Brevig, Ole Fredrik and Perfekt, Karl-Mikael (2020) Norms of composition operators on the H2 space of Dirichlet series. Journal of Functional Analysis, 278 (2). 108320. ISSN 0022-1236 doi: https://doi.org/10.1016/j.jfa.2019.108320

Arcozzi, Nicola, Mozolyako, Pavel and Perfekt, Karl-Mikael (2019) Some properties related to trace inequalities for the multi-parameter Hardy operators on poly-trees. Analysis and Mathematical Physics, 9 (3). pp. 937-954. ISSN 1664-235X doi: https://doi.org/10.1007/s13324-019-00327-5

Brevig, Ole Fredrik, Perfekt, Karl-Mikael and Seip, Kristian (2019) Volterra operators on Hardy spaces of Dirichlet series. Journal für die reine und angewandte Mathematik (Crelles Journal), 2019 (4). pp. 179-223. ISSN 0075-4102 doi: https://doi.org/10.1515/crelle-2016-0069

Bayart, Frédéric, Brevig, Ole Fredrik, Haimi, Antti, Ortega-Cerdà, Joaquim and Perfekt, Karl-Mikael (2019) Contractive inequalities for Bergman spaces and multiplicative Hankel forms. Transactions of the American Mathematical Society, 371 (1). pp. 681-707. ISSN 1088-6850 doi: https://doi.org/10.1090/tran/7290

Perfekt, Karl-Mikael (2019) On the spaces of bounded and compact multiplicative Hankel operators. New York Journal of Mathematics, 25. pp. 589-602.

Perfekt, Karl-Mikael (2019) The transmission problem on a three-dimensional wedge. Archive for Rational Mechanics and Analysis, 231 (3). pp. 1745-1780. ISSN 0003-9527 doi: https://doi.org/10.1007/s00205-018-1308-3

Helsing, Johan and Perfekt, Karl-Mikael (2018) The spectra of harmonic layer potential operators on domains with rotationally symmetric conical points. Journal de Mathématiques Pures et Appliquées, 118. pp. 235-287. ISSN 0021-7824 doi: https://doi.org/10.1016/j.matpur.2017.10.012

Perfekt, Karl-Mikael and Pushnitski, Alexander (2018) On Helson matrices: moment problems, non-negativity, boundedness, and finite rank. Proceedings of the London Mathematical Society, 116 (1). pp. 101-134. ISSN 1460-244X doi: https://doi.org/10.1112/plms.12068

Perfekt, Karl-Mikael and Pushnitski, Alexander (2018) On the spectrum of the multiplicative Hilbert matrix. Arkiv för Matematik, 56 (1). pp. 163-183. ISSN 1871-2487 doi: https://doi.org/10.4310/ARKIV.2018.v56.n1.a10

Jaming, Philippe, Lyubarskii, Yurii, Malinnikova, Eugenia and Perfekt, Karl-Mikael (2018) Uniqueness for discrete Schrödinger evolutions. Revista Matemática Iberoamericana, 34 (3). pp. 949-966. ISSN 0213-2230 doi: https://doi.org/10.4171/rmi/1011

Perfekt, Karl-Mikael, Pott, Sandra and Villarroya, Paco (2017) Endpoint compactness of singular integrals and perturbations of the Cauchy integral. Kyoto Journal of Mathematics, 57 (2). pp. 365-393. ISSN 2156-2261 doi: https://doi.org/10.1215/21562261-3821837

Perfekt, Karl-Mikael and Putinar, Mihai (2017) The essential spectrum of the Neumann–Poincaré operator on a domain with corners. Archive for Rational Mechanics and Analysis, 223 (2). pp. 1019-1033. ISSN 0003-9527 doi: https://doi.org/10.1007/s00205-016-1051-6

Perfekt, Karl-Mikael (2017) On M-ideals and o-O type spaces. Mathematica Scandinavica, 102 (1). pp. 151-160. ISSN 1903-1807

Brevig, Ole Fredrik and Perfekt, Karl-Mikael (2016) Weak product spaces of Dirichlet series. Integral Equations and Operator Theory, 86 (4). pp. 453-473. ISSN 1420-8989 doi: https://doi.org/10.1007/s00020-016-2320-3

Brevig, Ole Fredrik, Perfekt, Karl-Mikael, Seip, Kristian, Siskakis, Aristomenis G. and Vukotić, Dragan (2016) The multiplicative Hilbert matrix. Advances in Mathematics, 302. pp. 410-432. ISSN 1090-2082 doi: https://doi.org/10.1016/j.aim.2016.07.019

Aleman, Alexandru, Lyubarskii, Yurii, Malinnikova, Eugenia and Perfekt, Karl-Mikael (2016) Trace ideal criteria for embeddings and composition operators on model spaces. Journal of Functional Analysis, 270 (3). pp. 861-883. ISSN 0022-1236 doi: https://doi.org/10.1016/j.jfa.2015.11.006

Arcozzi, Nicola, Mozolyako, Pavel, Perfekt, Karl-Mikael, Richter, Stefan and Sarfatti, Giulia (2016) Some Hilbert spaces related with the Dirichlet space. Concrete Operators, 3 (1). 0011. ISSN 2299-3282 doi: https://doi.org/10.1515/conop-2016-0011

Perfekt, Karl-Mikael (2015) Weak compactness of operators acting on o–O type spaces. Bulletin of the London Mathematical Society, 47 (4). pp. 677-685. ISSN 0024-6093 doi: https://doi.org/10.1112/blms/bdv031

Aleman, Alexandru, Perfekt, Karl-Mikael, Richter, Stefan and Sundberg, Carl (2015) Linear graph transformations on spaces of analytic functions. Journal of Functional Analysis, 268 (9). pp. 2707-2734. ISSN 0022-1236 doi: https://doi.org/10.1016/j.jfa.2015.01.012

Andersson, Fredrik, Carlsson, Marcus and Perfekt, Karl-Mikael (2015) AAK-type theorems for Hankel operators on weighted spaces. Bulletin des Sciences Mathématiques, 139 (2). pp. 184-197. ISSN 0007-4497 doi: https://doi.org/10.1016/j.bulsci.2014.08.008

Brevig, Ole Fredrik and Perfekt, Karl-Mikael (2015) Failure of Nehari's theorem for multiplicative Hankel forms in Schatten classes. Studia Mathematica, 228 (2). pp. 101-108. ISSN 0039-3223 doi: https://doi.org/10.4064/sm228-2-1

Andersson, Fredrik, Carlsson, Marcus and Perfekt, Karl-Mikael (2015) Operator-Lipschitz estimates for the singular value functional calculus. Proceedings of the American Mathematical Society, 144 (5). pp. 1867-1875. ISSN 0002-9939 doi: https://doi.org/10.1090/proc/12843

Perfekt, Karl-Mikael and Putinar, Mihai (2014) Spectral bounds for the Neumann-Poincaré operator on planar domains with corners. Journal d'Analyse Mathématique, 124 (1). pp. 39-57. ISSN 0021-7670 doi: https://doi.org/10.1007/s11854-014-0026-5

Helsing, Johan and Perfekt, Karl-Mikael (2013) On the polarizability and capacitance of the cube. Applied and Computational Harmonic Analysis, 34 (3). pp. 445-468. ISSN 1063-5203 doi: https://doi.org/10.1016/j.acha.2012.07.006

Perfekt, Karl-Mikael (2013) Duality and distance formulas in spaces defined by means of oscillation. Arkiv för Matematik, 51 (2). pp. 345-361. ISSN 1871-2487 doi: https://doi.org/10.1007/s11512-012-0175-7

Aleman, Alexandru and Perfekt, Karl-Mikael (2011) Hankel Forms and embedding theorems in weighted dirichlet spaces. International Mathematics Research Notices, 2012 (19). pp. 4435-4448. ISSN 1073-7928 doi: https://doi.org/10.1093/imrn/rnr195