activity
20042026
most citedEstimates and structure of -harmonic functions

99 citations · 316 across the 39 of their papers we have counts for

collaborators

47 papers

math.CA2026

Critical discrete Hardy inequalities in

Krzysztof Bogdan, Shubham Gupta, Kamil Kaleta +1

We establish ground-state representations and critical Hardy inequalities in the discrete setting. In particular, we construct critical Hardy weights for the discrete Dirichl…

math.AP2026

Critical fractional Hardy inequalities

Krzysztof Bogdan, Bartłomiej Dyda, Antoni Szczukiewicz

We give a roadmap for the study of critical fractional Hardy inequalities for Dirichlet and Sobolev--Bregman forms. We focus on homogeneous forms on the real line, in particular th…

math.AP2023★ 2 cited

Subordinated Bessel heat kernels

Krzysztof Bogdan, Konstantin Merz

We prove new bounds for Bessel heat kernels and Bessel heat kernels subordinated by stable subordinators. In particular, we provide a 3G inequality in the subordinated case.

math.PR2023

Self-similar solution for fractional Laplacian in cones

Krzysztof Bogdan, Piotr Knosalla, Łukasz Leżaj +1

We construct a self-similar solution of the heat equation for the fractional Laplacian with Dirichlet boundary conditions in every fat cone. As applications, we give the Yaglom lim…

math.AP2023★ 3 cited

Ground state representation for the fractional Laplacian with Hardy potential in angular momentum channels

Krzysztof Bogdan, Konstantin Merz

Motivated by the study of relativistic atoms, we consider the Hardy operator acting on functions of the form in $L^2(\m…

math.PR2023

Positive harmonically bounded solutions for semi-linear equations

Wolfhard Hansen, Krzysztof Bogdan

For open sets in some space , we are interested in positive solutions to semi-linear equations on . Here may be an elliptic or parabolic operator of…