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Improved Adams-type inequalities and their extremals in dimension 2m
Communications in Contemporary Mathematics ( IF 1.2 ) Pub Date : 2020-08-12 , DOI: 10.1142/s0219199720500431
Azahara DelaTorre 1 , Gabriele Mancini 2
Affiliation  

In this paper, we prove the existence of an extremal function for the Adams–Moser–Trudinger inequality on the Sobolev space H0m(Ω), where Ω is any bounded, smooth, open subset of 2m, m 1. Moreover, we extend this result to improved versions of Adams’ inequality of Adimurthi-Druet type. Our strategy is based on blow-up analysis for sequences of subcritical extremals and introduces several new techniques and constructions. The most important one is a new procedure for obtaining capacity-type estimates on annular regions.

中文翻译:

改进的 Adams 型不等式及其在 2m 维上的极值

在本文中,我们证明了 Sobolev 空间上 Adams-Moser-Trudinger 不等式的极值函数的存在H0(Ω), 在哪里Ω是任何有界的、光滑的、开的子集2, 1. 此外,我们将此结果扩展到 Adimurthi-Druet 类型的 Adams 不等式的改进版本。我们的策略基于对亚临界极值序列的爆炸分析,并引入了几种新技术和结构。最重要的是获得环状区域容量类型估计的新程序。
更新日期:2020-08-12
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