Abstract
We prove new extended forms of the Pólya-Szegö symmetrization principle in the fractional case. As a consequence we determine new results for rearrangement invariant hulls of generalized Besov spaces. © 2008 Elsevier Inc. All rights reserved.
| Original language | English |
|---|---|
| Pages (from-to) | 99-123 |
| Journal | Journal of Mathematical Analysis and Applications |
| Volume | 344 |
| Publication status | Published - 1 Aug 2008 |
Keywords
- Besov spaces
- Rearrangement invariant spaces
- Sobolev spaces
- Symmetrization