Symmetrization and second-order Sobolev inequalities

被引:38
|
作者
Cianchi, Andrea [1 ]
机构
[1] Univ Florence, Dipartimento Matemat & Applicazioni Architettura, I-50122 Florence, Italy
关键词
Polya-Szego principle; Sobolev inequalities; rearrangements;
D O I
10.1007/s10231-003-0080-6
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
A Polya-Szego principle for second-order derivatives is established. As a consequence, a new unified approach to second-order Sobolev-type inequalities, via 1-dimensional inequalities, is derived. Applications to some optimal Sobolev embeddings are exhibited.
引用
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页码:45 / 77
页数:33
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