English

Hypercyclicity of operators that $\lambda$-commute with the Hardy backward shift

Functional Analysis 2023-07-06 v1

Abstract

An operator TT acting on a separable complex Hilbert space HH is said to be hypercyclic if there exists fHf\in H such that the orbit {Tnf: nN}\{T^n f:\ n\in \mathbb{N}\} is dense in HH. Godefroy and Shapiro \cite{GoSha} characterized those elements in the commutant of the Hardy backward shift which are hypercyclic. In this paper we study some dynamics properties of operators XX that λ\lambda-commute with the Hardy backward shift BB, that is, BX=λXBBX=\lambda XB.

Keywords

Cite

@article{arxiv.2307.02271,
  title  = {Hypercyclicity of operators that $\lambda$-commute with the Hardy backward shift},
  author = {Mohamed Amouch and Fernando León-Saavedra and M. P. Romero de la Rosa},
  journal= {arXiv preprint arXiv:2307.02271},
  year   = {2023}
}
R2 v1 2026-06-28T11:22:40.799Z