RDF/XML JSON-LD N3/Turtle RDF/JSON

Mbekhta, Mostafá Author

Unitary equivalence and reduced minimum modulus preservers

  • Bourhim A.
  • Mbekhta M.

Acta Scientiarum Mathematicarum - 1/1/2024

10.1007/s44146-024-00158-2

Cite count:
  • 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

Cite count: 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

Cite count: 1 (Scopus)
  • SJR Quartile: Q2
  • CiteScore: 0.9 (2020)
  • SJR: 0.605 (2019
  • SNIP: 0.851 (2019
  • SJR Categories: 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 View source

Cite count: 1 (Web of Science) 1 (Scopus)
  • SJR Quartile: Q3
  • CiteScore: 0.9 (2020)
  • SJR: 0.415 (2018
  • SNIP: 0.974 (2018
  • SJR Categories: Analysis (Q3); Applied Mathematics (Q3)

Additive mappings preserving minimum and surjectivity moduli

  • Mbekhta M.
  • Oudghiri M.

ACTA SCIENTIARUM MATHEMATICARUM - 5/10/2010

Cite count: 5 (Web of Science) 5 (Scopus)
  • SJR Quartile: Q3
  • CiteScore: 0.9 (2020)
  • SJR: 0.308 (2010
  • SNIP: 0.69 (2010
  • SJR Categories: 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 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)

Operators similar to partial isometries

  • Badea, C.
  • Mbekhta, M.

ACTA SCIENTIARUM MATHEMATICARUM - 2005

Cite count: 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 View source

Cite count: 8 (Web of Science) 2 (Scopus)
  • 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)

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

Cite count: 5 (Web of Science)
  • 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)

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

  • Aiena, P
  • Mbekhta, M

BOLLETTINO DELLA UNIONE MATEMATICA ITALIANA - 1/10/1996

Cite count: 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

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

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

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)

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)

Quasi-nilpotent and compact

  • Mbekhta, Mostafa
  • Arendt, W

PERSPECTIVES IN OPERATOR THEORY - 2007

10.4064/bc75-0-20 View source

Cite count:

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: 7 (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: 27

Last data update: 11/20/24 1:53 AM
Next scheduled update: 11/23/24 3:00 AM