非自治积分的插值间隙界
Interpolative gap bounds for nonautonomous integrals
摘要:
对于非自治的,非均匀椭圆积分与所谓的$(p,q)$增长条件,我们显示了一个一般的插值性质,允许得到基本的更高的可积性的结果为Hölder连续极小改进的界限下的差距$q/p$。为此,我们引入了一种新的方法,基于近似的原始,本地功能,混合本地/非本地的,并允许在分数索伯列夫空间适当的估计。
英文摘要:
For nonautonomous, nonuniformly elliptic integrals with so-called $(p,q)$-growth conditions, we show a general interpolation property allowing to get basic higher integrability results for Hölder continuous minimizers under improved bounds for the gap $q/p$. For this we introduce a new method, based on approximating the original, local functional, with mixed local/nonlocal ones, and allowing for suitable estimates in fractional Sobolev spaces.
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