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On BV Homeomorphisms

Publication at Faculty of Mathematics and Physics |
2021

Abstract

We obtain the rectifiability of the graph of a bounded variation homeomorphism f in the plane and relations between gradients of f and its inverse. Further, we show an example of a bounded variation homeomorphism f in the plane which satisfies the (N) and (N-1) properties and strict positivity of Jacobian of both itself and its inverse, but neither f nor f(-1) is Sobolev.