Oscillation and concentration effects described by Young measures which control discontinuous functions

Agnieszka Kałamajska

DOI: http://dx.doi.org/10.12775/TMNA.2008.006

Abstract


We study oscillation and concentration effects for
sequences of compositions $\{ f(u^\nu)\}_{\nu\in\mathbb N}$ of
$\mu$-measurable functions $u^\nu\colon \Omega\rightarrow{\mathbb R}^{m}$ where
$\Omega$ is the compact subset of ${\mathbb R}^n$
and $f$ is the (possibly) discontinuous function.
The limits are described in terms of Young measures which can
control discontinuous functions recently introduced in [A. Kałamajska, < i> On Young measures controlling discontinuous functions< /i> , J. Conv.
Anal. < b> 13< /b> (2006), no. 1, 177–192].

Keywords


Young measures; DiPerna-Majda measures; weak convergence; discontinuous functions

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