B Yousefi, H Rezaei - Proceedings of the American Mathematical Society, 2007 - ams.org
HYPERCYCLIC PROPERTY OF WEIGHTED COMPOSITION OPERATORS 1. Introduction Let U be the open unit disk of the plane. Then the space Page 1 PROCEEDINGS OF THE AMERICAN …
B Yousefi, H Rezaei - Acta Mathematica Sinica, English Series, 2008 - Springer
Let B (X) be the operator algebra for a separable infinite dimensional Hilbert space H, endowed with the strong operator topology or*-strong topology. We give sufficient conditions …
B Yousefi, A Farrokhinia - Journal of the Korean Mathematical …, 2006 - koreascience.kr
Let X be a separable Banach space. We give sufficient conditions under which $ T: X {\rightarrow} X $ is hereditarily hypercyclic. Also, we prove that hereditarily hypercyclicity …
YX Liang, ZH Zhou - Bulletin of the Belgian Mathematical Society …, 2014 - projecteuclid.org
Let $ S (\mathbb {D}) $ be the collection of all the holomorphic self-maps of open unit disk $\mathbb {D} $ of the complex plane $\mathbb {C} $, and $ C_ {\varphi} $, the composition …
B Yousefi, S Haghkhah - Czechoslovak Mathematical Journal, 2007 - dml.cz
Czechoslovak Mathematical Journal Page 1 Czechoslovak Mathematical Journal Bahmann Yousefi; S. Haghkhah Hypercyclicity of special operators on Hilbert function spaces …
RY Chen, ZH Zhou - J. Korean Math. Soc, 2011 - researchgate.net
This paper discusses the hypercyclicity of weighted composition operators acting on the space of holomorphic functions on the open unit ball BN of CN. Several analytic properties …