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Mbekhta, Mostafá Author

Local and global liftings of analytic families of idempotents in Banach algebras

  • Aupetit, Bernard
  • Makai, Endre, Jr.
  • Mbekhta, Mostafa
  • Zemanek, Jaroslav

ACTA SCIENTIARUM MATHEMATICARUM - 1/1/2014

10.14232/actasm-013-765-y View source

Cite count: 1 (Web of Science) 1 (Scopus)
  • SJR Quartile: Q4
  • CiteScore: 0.9 (2020)
  • SJR: 0.29 (2014
  • SNIP: 0.49 (2014
  • SJR Categories: Analysis (Q4); Applied Mathematics (Q4)

LOCAL SPECTRAL THEORY AND LIMIT OF NILPOTENTS

  • MBEKHTA, M

PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY - 11/1990

10.2307/2047902 View source

Cite count: 54 (Web of Science)

LOCAL SPECTRUM AND GENERALIZED SPECTRUM

  • MBEKHTA, M

PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY - 1/06/1991

10.2307/2048740 View source

Cite count: 11 (Web of Science) 13 (Scopus)
  • CiteScore: 1.7 (2020)
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

Maps preserving the local reduced minimum modulus

  • Bourhim A.
  • Mbekhta M.

Journal of Mathematical Analysis and Applications - 1/12/2023

10.1016/j.jmaa.2023.127512

Cite count: 1 (Scopus)
  • CiteScore: 2.5 (2022)
  • SJR: 0.833 (2022
  • SNIP: 1.256 (2022

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)
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)

Nonlinear maps commuting with the ?-Aluthge transform under (n,m)–Jordan-triple product

  • Chabbabi F.
  • Mbekhta M.

LINEAR and MULTILINEAR ALGEBRA - 2/12/2019

10.1080/03081087.2018.1492514

Cite count: 1 (Scopus)
  • SJR Quartile: Q2
  • JCR Impact Factor: 1.112 (2019)
  • CiteScore: 2.3 (2020)
  • SJR: 0.715 (2019
  • SNIP: 1.277 (2019
  • JCR 5-year Impact Factor: 1.083
  • JCR Categories: MATHEMATICS
  • SJR Categories: Algebra and Number Theory (Q2)

NOTES ON THE INTERNAL STRUCTURE OF SEMI-FELDHOLM CONNECTIVE COMPONENTS

  • MBEKHTA, M

STUDIA MATHEMATICA - 1994

10.4064/sm-110-3-251-256 View source

On additive maps preserving certain semi-Fredholm subsets

  • Mbekhta, Mostafa
  • Oudghiri, Mourad

Linear & Multilinear Algebra - 1/07/2013

10.1080/03081087.2012.721364 View source

Cite count: 3 (Web of Science) 1 (Scopus)
  • SJR Quartile: Q3
  • JCR Impact Factor: 0.7 (2013)
  • CiteScore: 2.3 (2020)
  • SJR: 0.602 (2013
  • SNIP: 0.893 (2013
  • JCR 5-year Impact Factor: 0.675
  • JCR Categories: MATHEMATICS
  • SJR Categories: Algebra and Number Theory (Q3)

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)

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

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)

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)

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

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
... View more Collapse

OPERATOR THEORY AND BANACH ALGEBRAS - 2003

Cite count: 1 (Web of Science)

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