We prove the absence of the Lavrentiev gap for non-autonomous functionalsF(u) := integral(Omega) f(x, Du(x)) dx,where the density f(x, z) is alpha-Holder continuous with respect to x is an element of Omega subset of R-n, it satisfies the (p, q)-growth conditionsvertical bar z vertical bar(p) <= f(x, z) <= L (1 + vertical bar z vertical bar(q)),where 1 < p < q < p(n+alpha/n), and it can be approximated from below by suitable densities f(k).
No Lavrentiev gap for some double phase integrals
De Filippis F.;Leonetti F.
2024-01-01
Abstract
We prove the absence of the Lavrentiev gap for non-autonomous functionalsF(u) := integral(Omega) f(x, Du(x)) dx,where the density f(x, z) is alpha-Holder continuous with respect to x is an element of Omega subset of R-n, it satisfies the (p, q)-growth conditionsvertical bar z vertical bar(p) <= f(x, z) <= L (1 + vertical bar z vertical bar(q)),where 1 < p < q < p(n+alpha/n), and it can be approximated from below by suitable densities f(k).File in questo prodotto:
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