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Mbekhta, Mostafá Author

Open Access

New formulas for the spectral radius via lambda-Aluthge transform

  • Chabbabi, Fadil
  • Mbekhta, Mostafa

LINEAR ALGEBRA AND ITS APPLICATIONS - 15/02/2017

10.1016/j.laa.2016.11.022 View source

Cite count: 4 (Web of Science) 2 (Scopus)
  • SJR Quartile: Q1
  • JCR Impact Factor: 0.972 (2017)
  • CiteScore: 2.1 (2020)
  • SJR: 0.994 (2017
  • SNIP: 1.218 (2017
  • JCR 5-year Impact Factor: 1.043
  • JCR Categories: MATHEMATICS
  • SJR Categories: Algebra and Number Theory (Q1); Discrete Mathematics and Combinatorics (Q1); Geometry and Topology (Q2); Numerical Analysis (Q2)
Open Access

Operators intertwining with isometries and Brownian parts of 2-isometries

  • Majdak, Witold
  • Mbekhta, Mostafa
  • Suciu, Laurian

LINEAR ALGEBRA AND ITS APPLICATIONS - 15/11/2016

10.1016/j.laa.2016.07.014 View source

Cite count: 15 (Web of Science) 10 (Scopus)
  • SJR Quartile: Q1
  • JCR Impact Factor: 0.973 (2016)
  • CiteScore: 2.1 (2020)
  • SJR: 1.07 (2016
  • SNIP: 1.296 (2016
  • JCR 5-year Impact Factor: 1.076
  • JCR Categories: MATHEMATICS
  • SJR Categories: Algebra and Number Theory (Q1); Discrete Mathematics and Combinatorics (Q1); Geometry and Topology (Q2); Numerical Analysis (Q2)
Open Access

Linear maps on M-n (C) preserving the local spectrum

  • Gonzalez, Manuel
  • Mbekhta, Mostafa

LINEAR ALGEBRA AND ITS APPLICATIONS - 1/12/2007

10.1016/j.laa.2007.07.005 View source

Cite count: 38 (Web of Science) 37 (Scopus)
  • SJR Quartile: Q2
  • CiteScore: 2.1 (2020)
  • SJR: 0.763 (2007
  • SNIP: 1.271 (2007
  • SJR Categories: Algebra and Number Theory (Q2); Discrete Mathematics and Combinatorics (Q2); Geometry and Topology (Q2); Numerical Analysis (Q3)
Open Access

Quasi-isometries associated to A-contractions

  • Mbekhta, Mostafa
  • Suciu, Laurian

LINEAR ALGEBRA AND ITS APPLICATIONS - 15/10/2014

10.1016/j.laa.2014.07.016 View source

Cite count: 3 (Web of Science) 3 (Scopus)
  • SJR Quartile: Q2
  • JCR Impact Factor: 0.939 (2014)
  • CiteScore: 2.1 (2020)
  • SJR: 0.924 (2014
  • SNIP: 1.318 (2014
  • JCR 5-year Impact Factor: 0.948
  • JCR Categories: MATHEMATICS
  • SJR Categories: Algebra and Number Theory (Q2); Discrete Mathematics and Combinatorics (Q2); Geometry and Topology (Q2); Numerical Analysis (Q2)
Open Access

A-partial isometries and generalized inverses

  • Arias, M. Laura
  • Mbekhta, Mostafa

LINEAR ALGEBRA AND ITS APPLICATIONS - 1/09/2013

10.1016/j.laa.2013.04.011 View source

Cite count: 10 (Web of Science) 8 (Scopus)
  • SJR Quartile: Q1
  • JCR Impact Factor: 0.983 (2013)
  • CiteScore: 2.1 (2020)
  • SJR: 0.985 (2013
  • SNIP: 1.487 (2013
  • JCR 5-year Impact Factor: 1.086
  • JCR Categories: MATHEMATICS, APPLIED
  • SJR Categories: Algebra and Number Theory (Q1); Discrete Mathematics and Combinatorics (Q1); Geometry and Topology (Q2); Numerical Analysis (Q2)
Open Access

Maps preserving matrices of local reduced minimum modulus zero at a fixed vector

  • Bourhim A.
  • Mabrouk M.
  • Mbekhta M.

Linear Algebra and Its Applications - 1/1/2024

10.1016/j.laa.2023.09.022

Cite count:
  • CiteScore: 2.2 (2022)
  • SJR: 0.851 (2022
  • SNIP: 1.419 (2022
Open Access

Characterizations of Jordan *-isomorphisms of C*-algebras by weighted geometric mean related operations and quantities

  • Chabbabi F.
  • Mbekhta M.
  • Molnár L.

Linear Algebra and Its Applications - 1/3/2020

10.1016/j.laa.2019.11.024

Cite count: 3 (Scopus)
  • SJR Quartile: Q1
  • JCR Impact Factor: 1.401 (2020)
  • CiteScore: 2.1 (2020)
  • SJR: 0.951 (2020
  • SNIP: 1.544 (2020
  • JCR 5-year Impact Factor: 1.392
  • JCR Categories: MATHEMATICS, APPLIED
  • SJR Categories: Algebra and Number Theory (Q1); Geometry and Topology (Q1); Discrete Mathematics and Combinatorics (Q2); Numerical Analysis (Q2)

A uniform ergodic theorem for commuting semigroups

  • Mbekhta, M
  • Vasilescu, FH

JOURNAL OF THE LONDON MATHEMATICAL SOCIETY-SECOND SERIES - 1/12/1998

10.1112/s002461079800684x View source

Cite count:
  • CiteScore: 1.8 (2020)

METRIC AND HOMOGENEOUS STRUCTURE OF CLOSED RANGE OPERATORS

  • Corach, Gustavo
  • Maestripieri, Alexandra
  • Mbekhta, Mostafa

JOURNAL OF OPERATOR THEORY - 1/12/2009

Cite count: 6 (Web of Science) 8 (Scopus)
  • SJR Quartile: Q2
  • JCR Impact Factor: 0.58 (2009)
  • CiteScore: 1.3 (2020)
  • SJR: 0.781 (2009
  • SNIP: 0.917 (2009
  • JCR 5-year Impact Factor: 0.713
  • JCR Categories: MATHEMATICS
  • SJR Categories: Algebra and Number Theory (Q2)

GENERALIZED RESOLVENT AND SPECTRAL THEORY

  • MBEKHTA, M

JOURNAL OF OPERATOR THEORY - 12/1989

Cite count: 65 (Web of Science)

On Wold Type Decomposition for Closed Range Operators

  • Ezzahraoui H.
  • Mbekhta M.
  • Zerouali E.H.

Trends in Mathematics - 1/1/2022

10.1007/978-3-031-02104-6_12

Cite count:
  • CiteScore: 0.5 (2021)
  • SJR: 0.217 (2021
  • SNIP: 0.179 (2021

Commuting maps with the mean transform

  • Chabbabi F.
  • Mbekhta M.

Contemporary Mathematics - 1/1/2019

10.1090/conm/737/14858

Cite count:
  • CiteScore: 0.8 (2020)
  • SJR Categories: Mathematics (miscellaneous)

A survey on linear (additive) preserver problems

  • Mbekhta, Mostafa
  • PerezFernandez, FJ
  • RamblaBarreno, F

PROCEEDINGS OF THE FOURTH INTERNATIONAL SCHOOL - ADVANCED COURSES OF MATHEMATICAL ANALYSIS IV - 2012

Cite count: 6 (Web of Science)

A spectral approach to the Kaplansky problem

  • Mbekhta, Mostafa
  • Arendt, W

PERSPECTIVES IN OPERATOR THEORY - 2007

10.4064/bc75-0-21 View source

Cite count: 2 (Web of Science)

Quasi-nilpotent and compact

  • Mbekhta, Mostafa
  • Arendt, W

PERSPECTIVES IN OPERATOR THEORY - 2007

10.4064/bc75-0-20 View source

The connected components of the idempotents in the Calkin algebra, and their liftings

  • Aupetit, B
  • Makai, E
  • Mbekhta, M
  • Zemanek, J
  • Chidami, M
  • Curto, R
  • Vasilescu, FH
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OPERATOR THEORY AND BANACH ALGEBRAS - 2003

Cite count: 1 (Web of Science)

Polar decomposition, aluthge and mean transforms

  • Chabbabi F.
  • Mbekhta M.

Contemporary Mathematics - 1/1/2020

10.1090/conm/750/15105

Cite count: 2 (Scopus)
  • CiteScore: 0.8 (2020)
  • SJR: 0.106 (2020

This author has no patents.

Open Access

Corrigendum to “Jordan product maps commuting with the λ-Aluthge transform” [J. Math. Anal. Appl. 450 (2017) 293–313] (Jordan product maps commuting with the λ-Aluthge transform (2017) 450(1) (293–313), (S0022247X17300586), (10.1016/j.jmaa.2017.01.036))

  • Chabbabi F.
  • Mbekhta M.

JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS - 1/7/2022

10.1016/j.jmaa.2022.126029

Cite count:
  • JCR Impact Factor: 1.3 (2022)
  • CiteScore: 2.6 (2021)
  • SJR: 0.859 (2021
  • SNIP: 1.262 (2021
  • JCR 5-year Impact Factor: 1.3
  • JCR Categories: MATHEMATICS

Scopus: 11

Web of Science: 16

Scopus: 16

Web of Science: 26

Last data update: 5/18/24 8:11 AM
Next scheduled update: 5/25/24 3:00 AM