6533b872fe1ef96bd12d2e4e

RESEARCH PRODUCT

Anisotropic Sobolev homeomorphisms

Luigi D'onofrioPatrizia Di GironimoCarlo SbordoneRoberta Schiattarella

subject

Sobolev spacePure mathematicsGeneral MathematicsA domainInverseSobolev homeomorphismsAnisotropyHomeomorphismMathematics

description

Let › ‰ R 2 be a domain. Suppose that f 2 W 1;1 loc (›;R 2 ) is a homeomorphism. Then the components x(w), y(w) of the inverse f i1 = (x;y): › 0 ! › have total variations given by jryj(› 0 ) = › fl fl @f fl fl dz; jrxj(› 0 ) = › fl fl @f @y fl fl dz:

https://doi.org/10.5186/aasfm.2011.3632