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Mbekhta, Mostafá Author

Sur la conorme essentielle

  • Mbekhta M.
  • Paul R.

Studia Mathematica - 1/1/1996

10.4064/sm-117-3-243-252

Cite count: 5 (Scopus)
  • CiteScore: 1.5 (2020)

STRUCTURE OF SEMI-FREDHOLM CONNECTIVE COMPONENTS OF B(H)

  • MBEKHTA, M

PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY - 10/1992

10.2307/2159761 View source

Cite count: 3 (Web of Science)

Split Partial Isometries

  • Andruchow, E.
  • Corach, G.
  • Mbekhta, M.

Complex Analysis and Operator Theory - 1/08/2013

10.1007/s11785-011-0176-8 View source

Cite count: 4 (Web of Science) 4 (Scopus)
  • SJR Quartile: Q2
  • JCR Impact Factor: 0.519 (2013)
  • CiteScore: 1.5 (2020)
  • SJR: 0.694 (2013
  • SNIP: 0.958 (2013
  • JCR 5-year Impact Factor: 0.536
  • JCR Categories: MATHEMATICS
  • SJR Categories: Applied Mathematics (Q2); Computational Mathematics (Q2); Computational Theory and Mathematics (Q2)

SEMI-FREDHOLM PERTURBATIONS AND COMMUTATORS

  • MBEKHTA, M

MATHEMATICAL PROCEEDINGS OF THE CAMBRIDGE PHILOSOPHICAL SOCIETY - 1/01/1993

10.1017/s0305004100075861 View source

Cite count: 3 (Web of Science) 3 (Scopus)
  • CiteScore: 1.6 (2020)

Résolvant généralisé et séparation des points singuliers quasi-fredholm

  • Labrouss J.
  • Mbekhta E.

Transactions of the American Mathematical Society - 1/1/1992

10.1090/s0002-9947-1992-1057780-4

Cite count: 6 (Scopus)
  • CiteScore: 2.5 (2020)

Representation and approximation of the polar factor of an operator on a Hilbert space

  • Mbekhta M.

Discrete and Continuous Dynamical Systems-Series S - 1/8/2021

10.3934/dcdss.2020463

Cite count:
  • JCR Impact Factor: 1.865 (2021)
  • CiteScore: 3.1 (2020)
  • SJR: 0.481 (2020
  • SNIP: 1.125 (2020
  • JCR 5-year Impact Factor: 1.622
  • JCR Categories: MATHEMATICS, APPLIED
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)

PSEUDO-FREDHOLM .1. GENERALIZED RESOLVENT

  • MBEKHTA, M

JOURNAL OF OPERATOR THEORY - 09/1990

Cite count: 13 (Web of Science)

POINT CONTINUITY OPERATORS FOR THE CONORM AND THE MOORE-PENROSE INVERSE

  • LABROUSSE, JP
  • MBEKHTA, M

HOUSTON JOURNAL OF MATHEMATICS - 1992

Cite count: 12 (Web of Science)

Perturbation functions and formulas of the essential spectral radius and for distance to the essential spectrum

  • Mbekhta, M

JOURNAL OF OPERATOR THEORY - 12/2004

Cite count: 3 (Web of Science)
  • SJR Quartile: Q1
  • SJR Categories: Algebra and Number Theory (Q1)

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)

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)

Quasi-nilpotent and compact

  • Mbekhta, Mostafa
  • Arendt, W

PERSPECTIVES IN OPERATOR THEORY - 2007

10.4064/bc75-0-20 View source

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

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)

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