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New characterizations of Sobolev metric spaces
被引:14
|作者:
Di Marino, Simone
[1
]
Squassina, Marco
[2
]
机构:
[1] Scuola Normale Super Pisa, Indam, Piazza Cavalieri 7, I-56126 Pisa, Italy
[2] Univ Cattolica Sacro Cuore, Dipartimento Matemat & Fis, Via Musei 41, I-25121 Brescia, Italy
关键词:
Bourgain-Brezis-Mironescu;
Nguyen type limits;
Hajlasz-Sobolev spaces;
LIPSCHITZ FUNCTIONS;
APPROXIMATIONS;
CONNECTIONS;
D O I:
10.1016/j.jfa.2018.07.003
中图分类号:
O1 [数学];
学科分类号:
0701 ;
070101 ;
摘要:
We provide new characterizations of Sobolev ad BV spaces in doubling and Poincare metric spaces in the spirit of the Bourgain-Brezis-Mironescu and Nguyen limit formulas holding in domains of R-N. (C) 2018 Elsevier Inc. All rights reserved.
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页码:1853 / 1874
页数:22
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