On the envelopes of functions depending on singular values of matrices

Buttazzo, G.Dacorogna, BernardGangbo, Wilfrid2008-11-252008-11-252008-11-251994https://infoscience.epfl.ch/handle/20.500.14299/31676WOS:A1994NJ28100002convexitypolyconvexityquasiconvexityrank-one convexity envelopesOn the envelopes of functions depending on singular values of matricestext::journal::journal article::research article