H. Ghahramani

activity

20162025

most citedDerivations on semidirect products of Banach algebras

2 citations · 3 across the 6 of their papers we have counts for

collaborators

9 papers

math.FA2025

Characterization of Lie centralizable mappings on B(X)

Behrooz Fadaee, Hoger Ghahramani, Ayyoub Majidi

Assume that B(X) is the algebra of all bounded linear operators on a complex Banach space X, and let W in B(X) is such that cl(W(X)) is not equal to X or W=zI, where z is a complex…

math.FA2024

Symmetrically pseudo-amenable Banach algebras

Hoger Ghahramani, Parvin Zamani

We introduce and study a new notion of amenability called symmetric pseudo-amenability. We obtain some properties of symmetrically pseudo-amenable Banach algebras and with examples…

math.OA2020

Ternary derivations of nest algebras

Hoger Ghahramani

Suppose that $X$ is a (real or complex) Banach space, $d im X \geq 2$ , and $N$ is a nest on $X$ , with each $N$ in $N$ is complemented in $X$ whenever $N_{-} = N$ . A…

math.FA2019

Relative amenability of Banach algebras

Hoger Ghahramani, Wania Khodakarami, Esmaeil Feizi

Let A be a Banach algebra and I be a closed ideal of A. We say that A is amenable relative to I, if A/I is an amenable Banach algebra. We study the relative amenability of Banach a…

math.OA2019

Linear maps behaving like derivations or anti-derivations at orthogonal elements on C*-algebras

Behrooz Fadaee, Hoger Ghahramani

Let A be a C*-algebra and d from A into A** be a continuous linear map. We assume that d acts like derivation or anti-derivation at orthogonal elements for several types of orthogo…

math.FA2019★ 1 cited

Automatic continuity of Some linear mappings from certain products of Banach algebras

Hamid Farhadi, Eghbal Ghaderi, Hoger Ghahramani

Let $A$ and $U$ be Banach algebras and $θ$ be a nonzero character on $A$ . Then the \textit{Lau product Banach algebra} $\mathcal{A}\times_θ\mathcal{U}…