Oudghiri, Mourad; Souilah, Khalid A generalization of strongly preserver problems of Drazin invertibility. (English) Zbl 1482.47076 Acta Math. Vietnam. 43, No. 3, 575-583 (2018). MSC: 47B48 47B49 47A05 46H05 PDFBibTeX XMLCite \textit{M. Oudghiri} and \textit{K. Souilah}, Acta Math. Vietnam. 43, No. 3, 575--583 (2018; Zbl 1482.47076) Full Text: DOI
Mbekhta, M.; Oudghiri, M. Additive mappings preserving minimum and surjectivity moduli. (English) Zbl 1261.47053 Acta Sci. Math. 76, No. 1-2, 207-215 (2010). MSC: 47B48 47A10 46H05 PDFBibTeX XMLCite \textit{M. Mbekhta} and \textit{M. Oudghiri}, Acta Sci. Math. 76, No. 1--2, 207--215 (2010; Zbl 1261.47053)