English

Hardy's operator and normability of generalized Lorentz-Marcinkiewicz spaces, with sharp or weakly sharp constant estimation

Functional Analysis 2012-11-28 v1

Abstract

We introduce a Banach rearrangement invariant (tail) quasy-norm by means of Hardy's (Cesaro) average on the (measurable) functions defined on some measurable space which is a slight generalization of classical Lorentz-Marcinkiewicz norm and find for it an equivalent norm expression.

Keywords

Cite

@article{arxiv.1211.6415,
  title  = {Hardy's operator and normability of generalized Lorentz-Marcinkiewicz spaces, with sharp or weakly sharp constant estimation},
  author = {E. Ostrovsky and L. Sirota},
  journal= {arXiv preprint arXiv:1211.6415},
  year   = {2012}
}
R2 v1 2026-06-21T22:45:01.872Z