نتایج جستجو برای: supercyclic

تعداد نتایج: 50  

2009
Michael Zarechnak

The purpose of this paper is to illustrate and justify semantic coding of temporal nouns in Russian for Russian-to-English Machine Translation to facilitate syntactic parsing of Russian sentences and their subsequent translation into English. The paper deals only with the semantic classification, based on A. A. Kholodovich's theory of subclasses. The temporal nouns are selected for justificatio...

Journal: :Mediterranean Journal of Mathematics 2019

2006
L. BERNAL-GONZÁLEZ Joseph A. Ball

In these notes we provide a new proof of the existence of a hypercyclic uniformly continuous semigroup of operators on any separable infinitedimensional Banach space that is very different from—and considerably shorter than—the one recently given by Bermúdez, Bonilla and Martinón. We also show the existence of a strongly dense family of topologically mixing operators on every separable infinite...

Journal: :Int. J. Math. Mathematical Sciences 2012
Sid Ahmed Ould Ahmed Mahmoud

We prove some further properties of the operator T ∈ nQN n-power quasinormal, defined in Sid Ahmed, 2011 . In particular we show that the operator T ∈ nQN satisfying the translation invariant property is normal and that the operator T ∈ nQN is not supercyclic provided that it is not invertible. Also, we study some cases in which an operator T ∈ 2QN is subscalar of order m; that is, it is simila...

Journal: :Journal of Mathematical Analysis and Applications 2008

2005
V. Müller

We show that each power bounded operator with spectral radius equal to one on a reflexive Banach space has a nonzero vector which is not supercyclic. Equivalently, the operator has a nontrivial closed invariant homogeneous subset. Moreover, the operator has a nontrivial closed invariant cone if 1 belongs to its spectrum. This generalizes the corresponding results for Hilbert space operators. Fo...

Journal: :Computational Methods and Function Theory 2021

For pairs of holomorphic maps $(u,\psi)$ on the complex plane, we study some dynamical properties weighted composition operator $W_{(u,\psi)}$ Fock spaces. We prove that no spaces is supercyclic. Conditions under which operators satisfy Ritt's resolvent growth condition are also identified. In particular, show a non-trivial satisfies such if and only it compact.

Journal: :Hacettepe journal of mathematics and statistics 2021

We characterize disjoint hypercyclic and supercyclic tuples of unilateral Rolewicz-type operators on $c_0(\N)$ $\ell^p(\N)$, $p \in [1, \infty)$, which are a generalization the backward shift operator. show that hypercyclicity supercyclicity equivalent among subfamily these always satisfy Disjoint Hypercyclicity Criterion. also simultaneous \infty)$.

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