A general regularity theorem for functionals with φ-growth☆

A general regularity theorem for functionals with φ-growth☆
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DOI:
10.1016/j.jmaa.2011.05.012
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发表时间:
2011-11
影响因子:
1.3
通讯作者:
D. Breit;B. Stroffolini;A. Verde
D. Breit;B. Stroffolini;A. Verde
中科院分区:
数学3区
文献类型:
--
作者:
D. Breit;B. Stroffolini;A. Verde

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本文证明了泛函<$Ω φ的局部极小元的C1,α-正则性(|u|)dx,其中φ是Young函数。为了推广Fuchs(2011)[9]和Diening et al.(2009)[6]中,我们假设函数φ只有(Δ 2)-条件,φ ″(t)φ′(t)t为正常数(当然还有二阶导数的Hölder-条件)。
We prove C 1, α-regularity for local minimizers of functionals∫ Ω φ (|∇ u|) d x, where φ is a Young function. In order to generalize the results of Fuchs (2011)[9] and Diening et al.(2009)[6], we assume for the function φ only the (Δ 2)-condition and φ ″(t)⩾ ϵ ˆ φ′(t) t for a positive constant ϵ ˆ (and of course a Hölder-condition for the second derivatives).