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Mbekhta, Mostafá Autor

Unitary equivalence and reduced minimum modulus preservers

  • Bourhim A.
  • Mbekhta M.

Acta Scientiarum Mathematicarum - 1/1/2024

10.1007/s44146-024-00158-2

Número de citas:
  • CiteScore: 1 (2023)
  • SJR: 0,339 (2023)
  • SNIP: 0,727 (2023)

The local reduced minimum modulus on a Hilbert space

  • Mbekhta M.

Acta Scientiarum Mathematicarum - 1/1/2023

10.1007/s44146-023-00060-3

Número de citas: 2 (Scopus)
  • CiteScore: 0,8 (2022)
  • SJR: 0,305 (2022)
  • SNIP: 0,791 (2022)

On the Cauchy dual of closed range operators

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

Acta Scientiarum Mathematicarum - 1/1/2019

10.14232/actasm-018-020-2

Número de citas: 1 (Scopus)
  • Cuartil SJR: Q2
  • CiteScore: 0,9 (2020)
  • SJR: 0,605 (2019)
  • SNIP: 0,851 (2019)
  • Categorías SJR: Analysis (Q2); Applied Mathematics (Q2)

Linear maps that preserve semi-Fredholm operators acting on Banach spaces

  • Gonzalez, Manuel
  • Mbekhta, Mostafa

ACTA SCIENTIARUM MATHEMATICARUM - 1/1/2018

10.14232/actasm-017-327-x Ver en origen

Número de citas: 1 (Web of Science) 1 (Scopus)
  • Cuartil SJR: Q3
  • CiteScore: 0,9 (2020)
  • SJR: 0,415 (2018)
  • SNIP: 0,974 (2018)
  • Categorías SJR: Analysis (Q3); Applied Mathematics (Q3)

Additive mappings preserving minimum and surjectivity moduli

  • Mbekhta M.
  • Oudghiri M.

ACTA SCIENTIARUM MATHEMATICARUM - 5/10/2010

Número de citas: 5 (Web of Science) 5 (Scopus)
  • Cuartil SJR: Q3
  • CiteScore: 0,9 (2020)
  • SJR: 0,308 (2010)
  • SNIP: 0,69 (2010)
  • Categorías SJR: Analysis (Q3); Applied Mathematics (Q3)

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 Ver en origen

Número de citas: 1 (Web of Science) 1 (Scopus)
  • Cuartil SJR: Q4
  • CiteScore: 0,9 (2020)
  • SJR: 0,29 (2014)
  • SNIP: 0,49 (2014)
  • Categorías SJR: Analysis (Q4); Applied Mathematics (Q4)

Operators similar to partial isometries

  • Badea, C.
  • Mbekhta, M.

ACTA SCIENTIARUM MATHEMATICARUM - 2005

Número de citas: 16 (Web of Science)
Open Access

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 Ver en origen

Número de citas: 8 (Web of Science) 2 (Scopus)
  • Cuartil SJR: Q2
  • Factor Impacto JCR: 0,498 (2018)
  • CiteScore: 0,9 (2020)
  • SJR: 0,669 (2018)
  • SNIP: 0,737 (2018)
  • Impacto JCR a 5 años: 0,556
  • Categorías JCR: MATHEMATICS
  • Categorías SJR: Mathematics (miscellaneous) (Q2)

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 Ver en origen

Número de citas: 5 (Web of Science)
  • Cuartil JCR: Q2 (2017)
  • Cuartil SJR: Q2
  • Factor Impacto JCR: 0,625 (2022)
  • Impacto Normalizado por Categoría: 0,746 (2017)
  • Impacto JCR a 5 años: 0,781
  • Categorías JCR: MATHEMATICS, APPLIED
  • Categorías SJR: Algebra and Number Theory (Q2); Analysis (Q2)

Characterization of some classes of operators by means of the Kato decomposition.

  • Aiena, P
  • Mbekhta, M

BOLLETTINO DELLA UNIONE MATEMATICA ITALIANA - 1/10/1996

Número de citas: 6 (Web of Science) 11 (Scopus)

Commuting maps with the mean transform

  • Chabbabi F.
  • Mbekhta M.

Contemporary Mathematics - 1/1/2019

10.1090/conm/737/14858

Número de citas:
  • CiteScore: 0,8 (2020)
  • Categorías SJR: 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

Número de citas:
  • CiteScore: 0,5 (2021)
  • SJR: 0,217 (2021)
  • SNIP: 0,179 (2021)

Polar decomposition, aluthge and mean transforms

  • Chabbabi F.
  • Mbekhta M.

Contemporary Mathematics - 1/1/2020

10.1090/conm/750/15105

Número de citas: 2 (Scopus)
  • CiteScore: 0,8 (2020)
  • SJR: 0,106 (2020)

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

Número de citas: 1 (Web of Science)

A spectral approach to the Kaplansky problem

  • Mbekhta, Mostafa
  • Arendt, W

PERSPECTIVES IN OPERATOR THEORY - 2007

10.4064/bc75-0-21 Ver en origen

Número de citas: 2 (Web of Science)

Quasi-nilpotent and compact

  • Mbekhta, Mostafa
  • Arendt, W

PERSPECTIVES IN OPERATOR THEORY - 2007

10.4064/bc75-0-20 Ver en origen

Número de citas:

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

Número de citas: 7 (Web of Science)

Este autor no tiene patentes.

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

Número de citas:
  • Factor Impacto JCR: 1,3 (2022)
  • CiteScore: 2,6 (2021)
  • SJR: 0,859 (2021)
  • SNIP: 1,262 (2021)
  • Impacto JCR a 5 años: 1,3
  • Categorías JCR: MATHEMATICS

Scopus: 11

Web of Science: 16

Scopus: 16

Web of Science: 27

Última actualización de los datos: 20/11/24 1:53
Próxima recolección programada: 23/11/24 3:00