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| Content Provider | Springer Nature Link |
|---|---|
| Author | Boza, Santiago Soria, Javier |
| Copyright Year | 2011 |
| Abstract | We study weak-type modular inequalities for the Hardy operator restricted to non-increasing functions on weighted L $^{ p(⋅)}$ spaces, where p(⋅) is a variable exponent. These new estimates complete the results of Boza and Soria (J. Math. Anal. Appl. 348:383–388, 2008) where we showed some necessary and sufficient conditions on the exponent p(⋅) and on the weights to obtain weighted modular inequalities with variable exponents. For this purpose, we introduced the class of weights B $_{ p(⋅)}$. We prove that, for exponents p(x)>1, this is also the class of weights for which the weak modular inequality holds, and a characterization is also given in the case p(x)≤1. Finally, we compare our theory with the results in Neugebauer (Stud. Math. 192(1):51–60, 2009), giving examples for very concrete and simple exponents which show that inequalities in norm hold true in a very general context. |
| Starting Page | 459 |
| Ending Page | 474 |
| Page Count | 16 |
| File Format | |
| ISSN | 11391138 |
| Journal | Revista Matemática Complutense |
| Volume Number | 25 |
| Issue Number | 2 |
| e-ISSN | 19882807 |
| Language | English |
| Publisher | Springer Milan |
| Publisher Date | 2011-05-18 |
| Publisher Place | Milan |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Modular inequalities Hardy operator B $_{ p }$ weights Variable L $^{ p }$ spaces Monotone functions Inequalities involving derivatives and differential and integral operators Spaces of measurable functions Topology Geometry Applications of Mathematics Analysis Mathematics Algebra |
| Content Type | Text |
| Resource Type | Article |
| Subject | Mathematics |
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