Partial regularity of minimizers of higher order integrals with (p,q)-growth
ESAIM: Control, Optimisation and Calculus of Variations, Tome 17 (2011) no. 2, pp. 472-492.

We consider higher order functionals of the form F[u]= Ω f(D m u)dxforu: n Ω N , where the integrand f: m ( n , N ) , m 1 is strictly quasiconvex and satisfies a non-standard growth condition. More precisely we assume that f fulfills the (p, q)-growth condition

γ|A| p f(A)L(1+|A| q )forallA m ( n , N ),
with γ, L > 0 and 1<pq<minp + 1 n , 2n-1 2n-2 p. We study minimizers of the functional F[·] and prove a partial C loc m,α -regularity result.

DOI : 10.1051/cocv/2010016
Classification : 49N60, 49N99, 49J45
Mots clés : higher order functionals, non-standard growth, regularity theory
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Schemm, Sabine. Partial regularity of minimizers of higher order integrals with $(p, q)$-growth. ESAIM: Control, Optimisation and Calculus of Variations, Tome 17 (2011) no. 2, pp. 472-492. doi : 10.1051/cocv/2010016. http://www.numdam.org/articles/10.1051/cocv/2010016/

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