Let S = {tau(n)}(n=1)(infinity) subset of (0, T) be an arbitrary countable (dense) set. We show that for any given initial density and momentum, the compressible Euler system admits (infinitely many) admissible weak solutions that are not strongly continuous at each tau(n) , n=1,2, .... The proof is based on a refined version of the oscillatory lemma of De Lellis and Szekelyhidi with coefficients that may be discontinuous on a set of zero Lebesgue measure.
On Strong Continuity of Weak Solutions to the Compressible Euler System
Abbatiello A;
2021
Abstract
Let S = {tau(n)}(n=1)(infinity) subset of (0, T) be an arbitrary countable (dense) set. We show that for any given initial density and momentum, the compressible Euler system admits (infinitely many) admissible weak solutions that are not strongly continuous at each tau(n) , n=1,2, .... The proof is based on a refined version of the oscillatory lemma of De Lellis and Szekelyhidi with coefficients that may be discontinuous on a set of zero Lebesgue measure.File in questo prodotto:
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