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20112026
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57 citations · 347 across the 45 of their papers we have counts for

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math.CA2026

Boundary-Weighted Fourier Inequalities for Convex Domains

Konstantinos Bampouras, Karl-Mikael Perfekt

We consider the natural family of Fourier inequalities for the Paley--Wiener space , consisting of -functions with Fourier support in a convex set $Ω\subset…

math.CA2025

Characterizations for arbitrary Békollé-Bonami weights

Carlos Mudarra, Karl-Mikael Perfekt

We precisely characterize the relationships between the reverse Hölder inequality, the Fujii-Wilson condition, the Békollé-Bonami condition, the …

math.CA2024

Almost periodicity and boundary values of Dirichlet series

Ole Fredrik Brevig, Athanasios Kouroupis, Karl-Mikael Perfekt

We employ almost periodicity to establish analogues of the Hardy--Stein identity and the Littlewood--Paley formula for Hardy spaces of Dirichlet series. A construction of Saksman a…

math.CA2023★ 1 cited

Restrictions of Békollé--Bonami weights and Bloch functions

Alberto Dayan, Adrián Llinares, Karl-Mikael Perfekt

We characterize the restrictions of Békollé--Bonami weights of bounded hyperbolic oscillation, to subsets of the unit disc, thus proving an analogue of Wolff's restriction theorem…

math.CA2019

Rectangular summation of multiple Fourier series and multi-parametric capacity

Karl-Mikael Perfekt

We consider the class of multiple Fourier series associated with functions in the Dirichlet space of the polydisc. We prove that every such series is summable with respect to unres…

math.CA2017★ 6 cited

Endpoint compactness of singular integrals and perturbations of the Cauchy Integral

Karl-Mikael Perfekt, Sandra Pott, Paco Villarroya

We prove sufficient and necessary conditions for compactness of Calderón-Zygmund operators on the endpoint from into . We use this re…