2 papers
math.AP2020
Space quasiconformal composition operators with applications to Neumann eigenvalues
Vladimir Gol'dshtein, Ritva Hurri-Syrjänen, Valerii Pchelintsev +1
In this article we obtain estimates of Neumann eigenvalues of -Laplace operators in a large class of space domains satisfying quasihyperbolic boundary conditions. The suggested…
math.FA2012
Fractional Hardy-type inequalities in domains with plump complement
David E. Edmunds, Ritva Hurri-Syrjänen, Antti V. Vähäkangas
We establish fractional Hardy-type inequalities in a bounded domain with plump complement. In particular our results apply in bounded C^\infty domains and Lipschitz domains.