Separable anisotropic differential operators in weighted abstract spaces and applications
JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, vol.338, no.2, pp.970-983, 2008 (SCI-Expanded)
- Publication Type: Article / Article
- Volume: 338 Issue: 2
- Publication Date: 2008
- Doi Number: 10.1016/j.jmaa.2007.05.078
- Journal Name: JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS
- Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
- Page Numbers: pp.970-983
- Istanbul University Affiliated: Yes
Abstract
In this paper operator-valued multiplier theorems in Banach-valued weighted L-p spaces are studied. Also weighted Sobolev-Lions type spaces W-p,gamma(l)(Omega; E-0, E) = W-p,gamma(l)(Omega; E) boolean AND L-p,L-gamma (Omega; E-0) are discussed when E-0, E are two Banach spaces and E-0 is continuously and densely embedded on E. Several conditions are found that ensure the continuity of the embedding operators that are optimally regular in these spaces in terms of interpolations of E-0. These results permit us to show the separability of the anisotropic differential operators in an E-valued weighted Lp space. By using these results the maximal regularity of infinite systems of quasi elliptic partial differential equations are established. (C) 2007 Elsevier Inc. All rights reserved.