Mbekhta, Mostafá Author
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)
ADDITIVE MAPS PRESERVING DRAZIN INVERTIBLE OPERATORS OF INDEX <i>n</i>
- Mbekhta, Mostafa
- Oudghiri, Mourad
- Souilah, Khalid
BANACH JOURNAL OF MATHEMATICAL ANALYSIS - 4/2017
10.1215/17358787-0000011x View source
- JCR Quartile: Q2 (2017)
- SJR Quartile: Q2
- JCR Impact Factor: 0.625 (2022)
- Category normalized Impact: 0.746 (2017)
- JCR 5-year Impact Factor: 0.781
- JCR Categories: MATHEMATICS, APPLIED
- SJR Categories: Algebra and Number Theory (Q2); Analysis (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 PRESERVERS OF GROUP INVERTIBLE OPERATORS
- Mbekhta M.
- Oudghiri M.
HOUSTON JOURNAL OF MATHEMATICS - 1/1/2017
- SJR Quartile: Q3
- JCR Impact Factor: 0.285 (2017)
- CiteScore: 0.8 (2020)
- SJR: 0.309 (2017
- SNIP: 0.571 (2017
- JCR 5-year Impact Factor: 0.398
- JCR Categories: MATHEMATICS
- SJR Categories: Mathematics (miscellaneous) (Q3)
ADDITIVE PRESERVERS OF THE ASCENT, DESCENT AND RELATED SUBSETS
- Mbekhta, Mostafa
- Mueller, Vladimir
- Oudghiri, Mourad
JOURNAL OF OPERATOR THEORY - 28/12/2014
10.7900/jot.2011oct27.1994 View source
- SJR Quartile: Q2
- JCR Impact Factor: 0.55 (2014)
- CiteScore: 1.3 (2020)
- SJR: 0.926 (2014
- SNIP: 0.905 (2014
- JCR 5-year Impact Factor: 0.573
- JCR Categories: MATHEMATICS
- SJR Categories: Algebra and Number Theory (Q2)
- Scopus
- ORCID
- Web of Science
A Geometry for the Set of Split Operators
- Andruchow, E.
- Corach, G.
- Mbekhta, M.
INTEGRAL EQUATIONS AND OPERATOR THEORY - 1/12/2013
10.1007/s00020-013-2086-9 View source
- SJR Quartile: Q1
- JCR Impact Factor: 0.583 (2013)
- CiteScore: 1.8 (2020)
- SJR: 1.129 (2013
- SNIP: 1.195 (2013
- JCR 5-year Impact Factor: 0.695
- JCR Categories: MATHEMATICS
- SJR Categories: Algebra and Number Theory (Q1); Analysis (Q2)
Almost exactness in normed spaces .2.
- Harte, R
- Mbekhta, M
STUDIA MATHEMATICA - 1/1/1995
10.4064/sm-117-2-101-105 View source
- CiteScore: 1.5 (2020)
A note on roots and powers of partial isometries
- Ezzahraoui, H.
- Mbekhta, M.
- Salhi, A.
- Zerouali, E. H.
ARCHIV DER MATHEMATIK - 1/3/2018
10.1007/s00013-017-1116-2 View source
- SJR Quartile: Q2
- JCR Impact Factor: 0.498 (2018)
- CiteScore: 0.9 (2020)
- SJR: 0.669 (2018
- SNIP: 0.737 (2018
- JCR 5-year Impact Factor: 0.556
- JCR Categories: MATHEMATICS
- SJR Categories: Mathematics (miscellaneous) (Q2)
A note on the differentiable structure of generalized idempotents
- Andruchow, Esteban
- Corach, Gustavo
- Mbekhta, Mostafa
CENTRAL EUROPEAN JOURNAL OF MATHEMATICS - 3/6/2013
10.2478/s11533-013-0230-z View source
- JCR Impact Factor: 0.519 (2013)
- CiteScore: 1.4 (2015)
- JCR 5-year Impact Factor: 0.557
- JCR Categories: MATHEMATICS
Approximation of the polar factor of an operator acting on a Hilbert space
- Mbekhta M.
Journal of Mathematical Analysis and Applications - 1/7/2020
- SJR Quartile: Q2
- JCR Impact Factor: 1.583 (2020)
- CiteScore: 2.5 (2020)
- SJR: 0.951 (2020
- SNIP: 1.323 (2020
- JCR 5-year Impact Factor: 1.527
- JCR Categories: MATHEMATICS
- SJR Categories: Analysis (Q2); Applied Mathematics (Q2)
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
A spectral approach to the Kaplansky problem
- 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
Polar decomposition, aluthge and mean transforms
- Chabbabi F.
- Mbekhta M.
Contemporary Mathematics - 1/1/2020
- CiteScore: 0.8 (2020)
- SJR: 0.106 (2020
Quasi-nilpotent and compact
- Mbekhta, Mostafa
- Arendt, W
PERSPECTIVES IN OPERATOR THEORY - 2007
The connected components of the idempotents in the Calkin algebra, and their liftings
OPERATOR THEORY AND BANACH ALGEBRAS - 2003
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: 27
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