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arxiv: 1510.05575 · v2 · pith:4DMBQDXZnew · submitted 2015-10-19 · 🧮 math.CA · math.DS

A measure and orientation preserving homeomorphism with approximate Jacobian equal -1 almost everywhere

classification 🧮 math.CA math.DS
keywords homeomorphismmeasureorientationpreservingalmostequaleverywherejacobian
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We construct an almost everywhere approximately differentiable, orientation and measure preserving homeomorphism of a unit $n$-dimensional cube onto itself, whose Jacobian is equal to $-1$ a.e. Moreover we prove that our homeomorphism can be uniformly approximated by orientation and measure preserving diffeomorphisms.

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