Mbekhta, Mostafá Author
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
- 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)
On spectral properties of linear combinations of idempotents
- Du, Hong-Ke
- Deng, Chun-Yan
- Mbekhta, Mostafa
- Muller, Vladimir
STUDIA MATHEMATICA - 1/8/2007
- SJR Quartile: Q2
- CiteScore: 1.5 (2020)
- SJR: 0.971 (2007
- SNIP: 1.219 (2007
- SJR Categories: Mathematics (miscellaneous) (Q2)
On the isolated points of the surjective spectrum of a bounded operator
- Gonzalez, Manuel
- Mbekhta, Mostafa
- Oudghiri, Mourad
Proceedings of the American Mathematical Society - 1/10/2008
10.1090/s0002-9939-08-09549-x View source
- SJR Quartile: Q1
- CiteScore: 1.7 (2020)
- SJR: 1.174 (2008
- SNIP: 1.138 (2008
- SJR Categories: Applied Mathematics (Q1); Mathematics (miscellaneous) (Q1)
- Scopus
- ORCID
- Web of Science
Classes of Operators Similar to Partial Isometries
- Mbekhta, Mostafa
- Suciu, Laurian
INTEGRAL EQUATIONS AND OPERATOR THEORY - 1/04/2009
10.1007/s00020-009-1671-4 View source
- SJR Quartile: Q1
- JCR Impact Factor: 0.477 (2009)
- CiteScore: 1.8 (2020)
- SJR: 1.015 (2009
- SNIP: 0.771 (2009
- JCR 5-year Impact Factor: 0.703
- JCR Categories: MATHEMATICS
- SJR Categories: Algebra and Number Theory (Q1); Analysis (Q2)
Linear maps preserving semi-Fredholm operators and generalized invertibility
- Mbekhta, M.
- Semrl, P.
LINEAR and MULTILINEAR ALGEBRA - 1/1/2009
10.1080/03081080701559500 View source
- SJR Quartile: Q2
- JCR Impact Factor: 0.74 (2009)
- CiteScore: 2.3 (2020)
- SJR: 0.828 (2009
- SNIP: 0.841 (2009
- JCR 5-year Impact Factor: 0.693
- JCR Categories: MATHEMATICS
- SJR Categories: Algebra and Number Theory (Q2)
METRIC AND HOMOGENEOUS STRUCTURE OF CLOSED RANGE OPERATORS
- Corach, Gustavo
- Maestripieri, Alexandra
- Mbekhta, Mostafa
JOURNAL OF OPERATOR THEORY - 1/12/2009
- 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)
ADDITIVE MAPS PRESERVING STRONGLY GENERALIZED INVERSES
- Boudi, Nadia
- Mbekhta, Mostafa
JOURNAL OF OPERATOR THEORY - 1/06/2010
- SJR Quartile: Q1
- JCR Impact Factor: 0.46 (2010)
- CiteScore: 1.3 (2020)
- SJR: 1.033 (2010
- SNIP: 0.98 (2010
- JCR 5-year Impact Factor: 0.668
- JCR Categories: MATHEMATICS
- SJR Categories: Algebra and Number Theory (Q1)
Additive mappings preserving minimum and surjectivity moduli
- Mbekhta M.
- Oudghiri M.
Acta Scientiarum Mathematicarum - 5/10/2010
- SJR Quartile: Q3
- CiteScore: 0.9 (2020)
- SJR: 0.308 (2010
- SNIP: 0.69 (2010
- SJR Categories: Analysis (Q3); Applied Mathematics (Q3)
LINEAR MAPS PRESERVING THE MINIMUM AND SURJECTIVITY MODULI OF OPERATORS
- Mbekhta, Mostafa
Operators and Matrices - 1/12/2010
- SJR Quartile: Q4
- JCR Impact Factor: 0.542 (2010)
- CiteScore: 0.9 (2020)
- SJR: 0.256 (2010
- SNIP: 0.461 (2010
- JCR 5-year Impact Factor: 0.644
- JCR Categories: MATHEMATICS
- SJR Categories: Algebra and Number Theory (Q4); Analysis (Q4)
Generalized inverses and similarity to partial isometries
- Mbekhta, Mostafa
- Suciu, Laurian
JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS - 15/12/2010
10.1016/j.jmaa.2010.06.022 View source
- SJR Quartile: Q1
- JCR Impact Factor: 1.174 (2010)
- CiteScore: 2.5 (2020)
- SJR: 1.408 (2010
- SNIP: 1.406 (2010
- JCR 5-year Impact Factor: 1.345
- JCR Categories: MATHEMATICS, APPLIED
- SJR Categories: Analysis (Q1); Applied Mathematics (Q1)
Commuting maps with the mean transform
- Chabbabi F.
- Mbekhta M.
Contemporary Mathematics - 1/1/2019
- 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
- CiteScore: 0.5 (2021)
- SJR: 0.217 (2021
- SNIP: 0.179 (2021
The connected components of the idempotents in the Calkin algebra, and their liftings
OPERATOR THEORY AND BANACH ALGEBRAS - 2003
A spectral approach to the Kaplansky problem
- Mbekhta, Mostafa
- Arendt, W
PERSPECTIVES IN OPERATOR THEORY - 2007
Quasi-nilpotent and compact
- Mbekhta, Mostafa
- Arendt, W
PERSPECTIVES IN OPERATOR THEORY - 2007
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
This author has no patents.
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
- 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
h index
Scopus: 11
Web of Science: 16
i10 index
Scopus: 16
Web of Science: 26
Author profiles
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Research projects at UAL
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Acronym MTM2010-17687Since: January 1, 2011Until: December 31, 2013Funded by: MECFunding / grant amount: 98,494.00 EURRole: Investigador
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Acronym MTM2007-65959Since: October 1, 2007Until: September 30, 2010Funded by: MECFunding / grant amount: 50,094.00 EURRole: Investigador
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Acronym MTM2004-03882Since: December 13, 2004Until: December 12, 2007Funded by: MECFunding / grant amount: 28,060.00 EURRole: Investigador