Geodesic
Remarks on the quasiconvex envelope of some functions depending on quadratic forms
Bollettino della Unione matematica italiana, Série 8, 5B (2002) no. 2, pp. 469-486

Voir la notice de l'article provenant de la source Biblioteca Digitale Italiana di Matematica

We compute the quasiconvex envelope of certain functions defined on the space $M_{mn}$ of real $m \times n$ matrices. These functions are basically functions of a quadratic form on $M_{mn}$. The quasiconvex envelope computation is applied to densities that are related to the James-Ericksen elastic stored energy function. 
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     author = {Bousselsal, M. and Le Dret, H.},
     title = {Remarks on the quasiconvex envelope of some functions depending on quadratic forms},
     journal = {Bollettino della Unione matematica italiana},
     pages = {469--486},
     publisher = {mathdoc},
     volume = {Ser. 8, 5B},
     number = {2},
     year = {2002},
     zbl = {1177.49009},
     mrnumber = {MR1911201},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BUMI_2002_8_5B_2_a10/}
}
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Bousselsal, M.; Le Dret, H. Remarks on the quasiconvex envelope of some functions depending on quadratic forms. Bollettino della Unione matematica italiana, Série 8, 5B (2002) no. 2, pp. 469-486. http://geodesic.mathdoc.fr/item/BUMI_2002_8_5B_2_a10/