M. Mehdipour

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20212025

most citedUncertainty-Aware Credit Card Fraud Detection Using Deep Learning

12 citations · 12 across the 20 of their papers we have counts for

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18 papers · 1 filter

math.FA2025

Structure and Applications of $(p, q)$ -Derivations in Algebra

Mohammad Javad Mehdipour, Narjes Salkhordeh

In this paper, we investigate $(p, q)$ -derivations in both general algebras and Banach algebras. Our main result extends the Singer-Wermer theorem to $(p, q)$ -derivations, proving…

math.FA2025

Jordan Left $α$ -centralizers on Algebras with Applications to Group Algebras

M. Eisaei, M. J. Mehdipour, Gh. R. Moghimi

We prove that every Jordan left $α$ -centralizer from an algebra $A$ with a right identity into an arbitrary algebra $B$ is a left $α$ -centralizer. This implies all Jordan homomorph…

math.FA2024

On $θ$ -centralizing $θ$ -generalized derivations on convolution algebras

M. Eisaei, M. J. Mehdipour, Gh. R. Moghimi

Let $θ$ be an isomorphism on $L_{0}^{\infty} (w)^{*}$ . In this paper, we investigate $θ$ -generalized derivations on $L_{0}^{\infty} (w)^{*}$ . We show that every $θ$ -centralizing $θ$ -genera…

math.FA2024

Jordan left $α$ -centralizer on certain algebras

M. Eisaei, M. J. Mehdipour, Gh. R. Moghimi

In this paper, we investigate Jordan left $α$ -centralizer on algebras. We show that every Jordan left $α$ -centralizer on an algebra with a right identity is a left $α$ -centralizer.…

math.FA2024

Left $θ$ -derivations on weighted convolution algebras

M. Eisaei, M. J. Mehdipour, Gh. R. Moghimi

Let $θ$ be a homomorphism on $L_{0}^{\infty} (R^{+}, ω)^{*}$ . In this paper, we study left $θ$ -derivations on $L_{0}^{\infty} (R^{+}, ω)^{*}$ . We show that every left $θ$ -derivation on…

math.FA2024

On scalable $K$ -frames and a version of Lax-Milgram theorem

F. Javadi, M. J. Mehdipour

In this paper, we first prove a theorem by a little modification on the Lax-Milgram theorem. Then, using $K$ -frames, we obtain lower and upper bounds for the results obtained from…

math.FA2023

On the Phase Retrievable Sequences

F. Javadi, M. J. Mehdipour

In this paper, we study phase retrievable sequences and give a characterization of phase retrievability of a sequence of bounded linear operators on a Hilbert space $H$ ; in particu…

math.FA2023

On $(p, q) -$ centralizers of certain Banach algebras

M. J. Mehdipour, N. Salkhordeh

Let $A$ be an algebra with a right identity. In this paper, we study $(p, q) -$ centralizers of $A$ and show that every $(p, q) -$ centralizer of $A$ is a two-sided centralizer. In the…

math.FA2023

Jordan derivations on certain Banach algebras

M. J. Mehdipour, GH. R. Moghimi, N. Salkhordeh

In this paper, we study the types of Jordan derivations of a Banach algebra $A$ with a right identity $e$ . We show that if $e A$ is commutative and semisimple, then every Jordan der…

math.FA2023

On $g -$ Fusion Frames Representations via Linear Operators

S. Jahedi, F. Javadi, M. J. Mehdipour

Let ${M_{k}}_{k \in Z}$ be a sequence of closed subspaces of Hilbert space $H$ , and let ${Θ_{k}}_{k \in Z}$ be a sequence of linear operators from $H$ …

math.FA2023

Jordan derivations on the $θ -$ Lau products of Banach algebras

M. Ghasemi, M. J. Mehdipour

In this paper, we study Jordan derivation-like maps on the $θ -$ Lau products of algebras. We characterize them and prove that under certain condition any Jordan derivation-like maps…

math.FA2022

Cohomological properties of vector-valued Lipschitz algebras and their second duals

M. J. Mehdipour, A. Rejali

Let $F (X, A)$ be one of the Banach algebras $Lip (X, A)$ or $lip (X, A)$ . In this paper, we show that $F (X, A)$ is amenable if and only if $X$ is uniforml…

math.FA2022

Homological and cohomological properties of Banach algebras and their second duals

M. J. Mehdipour, A. Rejali

In this paper, we investigate homological properties of Banach algebras. We show that retractions Banach algebras preserve biprojectivity, contractibility and biflatness. We also p…

math.FA2022

Weak amenability of weighted measure algebras and their second duals

M. J. Mehdipour, A. Rejali

In this paper, we study the weak amenability of weighted measure algebras and prove that $M (G, ω)$ is weakly amenable if and only if $G$ is discrete and every bounded quasi-additiv…

math.FA2022

Cohomological properties of different types of weak amenability

M. J. Mehdipour, A. Rejali

In this paper, we deal with cohomological properties of weak amenability, cyclic amenability, cyclic weak amenability and point amenability of Banach algebras. We look at some here…

math.FA2022

Different types of weak amenability for Banach algebras

M. J. Mehdipour, A. Rejali

In this paper, we introduce and investigate the concepts of cyclically weakly amenable and point amenable. Then, we compare these concepts with the concepts of weakly amenable and…

math.FA2022

Weak amenability of weighted group algebras

M. J. Mehdipour, A. Rejali

In this paper, we study weak amenability of Beurling algebras. To this end, we introduce the notion inner quasi-additive functions and prove that for a locally compact group $G$ , t…

math.FA2021

Regularity and amenability of weighted Banach algebras and their second dual on locally compact groups

Ali Rejali, M. J. Mehdipour

Let $ω$ be a weight function on a locally compact group G mand let $M_{*} (G, ω)$ be the subspace of $M (G, ω)^{*}$ consisting of all functionals that vanish at infinity. In this p…

Structure and Applications of (p,q)-Derivations in Algebra

Jordan Left α-centralizers on Algebras with Applications to Group Algebras

On θ-centralizing θ-generalized derivations on convolution algebras

Jordan left α-centralizer on certain algebras

Left θ-derivations on weighted convolution algebras

On scalable K-frames and a version of Lax-Milgram theorem

On the Phase Retrievable Sequences

On (p,q)−centralizers of certain Banach algebras

Jordan derivations on certain Banach algebras

On g−Fusion Frames Representations via Linear Operators

Jordan derivations on the θ−Lau products of Banach algebras

Cohomological properties of vector-valued Lipschitz algebras and their second duals

Homological and cohomological properties of Banach algebras and their second duals

Weak amenability of weighted measure algebras and their second duals

Cohomological properties of different types of weak amenability

Different types of weak amenability for Banach algebras

Weak amenability of weighted group algebras

Regularity and amenability of weighted Banach algebras and their second dual on locally compact groups

Structure and Applications of $(p, q)$ -Derivations in Algebra

Jordan Left $α$ -centralizers on Algebras with Applications to Group Algebras

On $θ$ -centralizing $θ$ -generalized derivations on convolution algebras

Jordan left $α$ -centralizer on certain algebras

Left $θ$ -derivations on weighted convolution algebras

On scalable $K$ -frames and a version of Lax-Milgram theorem

On $(p, q) -$ centralizers of certain Banach algebras

On $g -$ Fusion Frames Representations via Linear Operators

Jordan derivations on the $θ -$ Lau products of Banach algebras