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math.FA2026
Ciarlet NeÄas condition in fractional Sobolev spaces
Stanislav Hencl, JaromÃr Mielec, Kaushik Mohanta
Let , be an open set and let be mapping with positive distributional Jacobian whi…
math.FA2025
Ball-Evans approximation problem: recent progress and open problems
Stanislav Hencl
In this paper we give a short overview about the Ball-Evans approximation problem, i.e. about the approximation of Sobolev homeomorphism by a sequence of diffeomorphisms (or piecew…
math.FA2024
Weak limits of Sobolev homeomorphisms are one to one
OndÅej Bouchala, Stanislav Hencl, Zheng Zhu
We prove that the key property in models of Nonlinear Elasticity which corresponds to the non-interpenetration of matter, i.e. injectivity a.e., can be achieved in the class of wea…