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pro vyhledávání: '"Costa Jr, Fernando"'
Autor:
Abbar, Arafat, Costa Jr, Fernando
We study the existence of algebras of hypercyclic vectors for weighted backward shifts on sequence spaces of directed trees with the coordinatewise product. When $V$ is a rooted directed tree, we show the set of hypercyclic vectors of any backward we
Externí odkaz:
http://arxiv.org/abs/2411.14609
Autor:
Costa Jr, Fernando
Publikováno v:
Journal of Functional Analysis, 2024, 110473, ISSN 0022-1236
We obtain a multi-dimensional generalization of the Costakis-Sambarino criterion for common hypercyclic vectors with optimal consequences on a large class of fractals. Applications include families of products of backward shifts parameterized by any
Externí odkaz:
http://arxiv.org/abs/2306.16026
Autor:
Costa Jr, Fernando
In this paper, we generalize to the context of algebras some recent results on the existence of common hypercyclic vectors for families of products of backward shift operators. We also give, in a multi-dimensional setting, a positive answer to a ques
Externí odkaz:
http://arxiv.org/abs/2106.08949
Autor:
Costa Jr., Fernando
Publikováno v:
Journal of Mathematical Analysis and Applications
Journal of Mathematical Analysis and Applications, 2022, 507 (1), pp.125768. ⟨10.1016/j.jmaa.2021.125768⟩
Journal of Mathematical Analysis and Applications, 2022, 507 (1), pp.125768. ⟨10.1016/j.jmaa.2021.125768⟩
International audience
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______2885::e208c30e2f0632ca33b4ce4ae1677543
https://hal.science/hal-03525460
https://hal.science/hal-03525460
Akademický článek
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Publikováno v:
Israel Journal of Mathematics; Oct2022, Vol. 250 Issue 1, p211-264, 54p
