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Number of items: **4**.

Bendaoud, M. and Benyouness, A. and Sarih, M. and Sekkat, S.
(2018)
*Preservers of radial unitary similarity functions on products of operators.*
Linear Algebra and Its Applications, 542.
pp. 484-500.

Bendaoud, M. and Benyouness, A. and Sarih, M.
(2017)
*Condition spectra of special operators and condition spectra preservers.*
Journal of Mathematical Analysis and Applications, 449 (1).
pp. 514-527.

Bendaoud, M. and Benyouness, A. and Sarih, M.
(2016)
*Preservers of pseudo spectra of operator jordan triple products.*
Operators and Matrices, 10 (1).
pp. 45-56.

Bendaoud, M. and Benyouness, A. and Sarih, M.
(2016)
*Preservers of pseudo spectral radius of operator products.*
Linear Algebra and Its Applications, 489.
pp. 186-198.