Mnif, Maher; Ouled-Hmed, Aman-Allah Analytic core and quasi-nilpotent part of linear relations in Banach spaces. (English) Zbl 1485.47004 Filomat 32, No. 7, 2499-2515 (2018). MSC: 47A06 47A53 47A55 PDFBibTeX XMLCite \textit{M. Mnif} and \textit{A.-A. Ouled-Hmed}, Filomat 32, No. 7, 2499--2515 (2018; Zbl 1485.47004) Full Text: DOI
Bouaniza, Hafsa; Chamkha, Yosra; Mnif, Maher Perturbation of semi-Browder linear relations by commuting Riesz operators. (English) Zbl 1502.47002 Linear Multilinear Algebra 66, No. 2, 285-308 (2018). MSC: 47A06 47A53 47A55 47B06 PDFBibTeX XMLCite \textit{H. Bouaniza} et al., Linear Multilinear Algebra 66, No. 2, 285--308 (2018; Zbl 1502.47002) Full Text: DOI
Hafsa, Bouaniza; Mnif, Maher On strictly quasi-Fredholm linear relations and semi-B-Fredholm linear relation perturbations. (English) Zbl 1484.47008 Filomat 31, No. 20, 6337-6355 (2017). MSC: 47A06 47A53 47A55 PDFBibTeX XMLCite \textit{B. Hafsa} and \textit{M. Mnif}, Filomat 31, No. 20, 6337--6355 (2017; Zbl 1484.47008) Full Text: DOI
Álvarez, Teresa; Keskes, Sonia; Mnif, Maher On essentially semi regular linear relations. (English) Zbl 06756348 Linear Algebra Appl. 530, 518-540 (2017). MSC: 47A06 47A53 47A55 PDFBibTeX XMLCite \textit{T. Álvarez} et al., Linear Algebra Appl. 530, 518--540 (2017; Zbl 06756348) Full Text: DOI
Álvarez, Teresa; Chamkha, Yosra; Mnif, Maher Left- and right-Atkinson linear relation matrices. (English) Zbl 1368.47004 Mediterr. J. Math. 13, No. 4, 2039-2059 (2016). MSC: 47A06 47A53 47A55 PDFBibTeX XMLCite \textit{T. Álvarez} et al., Mediterr. J. Math. 13, No. 4, 2039--2059 (2016; Zbl 1368.47004) Full Text: DOI
Ben Amar, Afif; Jeribi, Aref; Mnif, Maher Some results on Fredholm and semi-Fredholm perturbations. (English) Zbl 1342.47020 Arab. J. Math. 3, No. 3, 313-323 (2014). Reviewer: Cătălin Badea (Villeneuve d’Ascq) MSC: 47A53 47A55 58B15 58J20 PDFBibTeX XMLCite \textit{A. Ben Amar} et al., Arab. J. Math. 3, No. 3, 313--323 (2014; Zbl 1342.47020) Full Text: DOI
Elleuch, Souhir; Mnif, Maher Essential approximate point spectra for upper triangular matrix of linear relations. (English) Zbl 1299.47004 Acta Math. Sci., Ser. B, Engl. Ed. 33, No. 4, 1187-1201 (2013). MSC: 47A06 47A10 47A53 47A55 PDFBibTeX XMLCite \textit{S. Elleuch} and \textit{M. Mnif}, Acta Math. Sci., Ser. B, Engl. Ed. 33, No. 4, 1187--1201 (2013; Zbl 1299.47004) Full Text: DOI
Alvarez, Teresa; Fakhfakh, Fatma; Mnif, Maher Characterization of closed densely defined semi-Browder linear operators. (English) Zbl 1315.47002 Complex Anal. Oper. Theory 7, No. 6, 1775-1786 (2013). Reviewer: Hassane Zguitti (Nador) MSC: 47A10 47A53 47A55 PDFBibTeX XMLCite \textit{T. Alvarez} et al., Complex Anal. Oper. Theory 7, No. 6, 1775--1786 (2013; Zbl 1315.47002) Full Text: DOI
Abdelmoumen, Boulbeba; Jeribi, Aref; Mnif, Maher Measure of weak noncompactness, some new properties in Fredholm theory, characterization of the Schechter essential spectrum and application to transport operators. (English) Zbl 1302.47030 Ric. Mat. 61, No. 2, 321-340 (2012). MSC: 47B07 46B50 47A53 54B35 82D75 47H08 PDFBibTeX XMLCite \textit{B. Abdelmoumen} et al., Ric. Mat. 61, No. 2, 321--340 (2012; Zbl 1302.47030) Full Text: DOI
Abdelmoumen, Boulbeba; Jeribi, Aref; Mnif, Maher On graph measures in Banach spaces and description of essential spectra of multidimensional transport equation. (English) Zbl 1266.47072 Acta Math. Sci., Ser. B, Engl. Ed. 32, No. 5, 2050-2064 (2012). MSC: 47H08 47A53 47A55 PDFBibTeX XMLCite \textit{B. Abdelmoumen} et al., Acta Math. Sci., Ser. B, Engl. Ed. 32, No. 5, 2050--2064 (2012; Zbl 1266.47072) Full Text: DOI
Fakhfakh, Fatma; Mnif, Maher Browder and semi-Browder operators. (English) Zbl 1271.47004 Acta Math. Sci., Ser. B, Engl. Ed. 32, No. 3, 942-954 (2012). MSC: 47A10 47A53 47A55 PDFBibTeX XMLCite \textit{F. Fakhfakh} and \textit{M. Mnif}, Acta Math. Sci., Ser. B, Engl. Ed. 32, No. 3, 942--954 (2012; Zbl 1271.47004) Full Text: DOI
Abdelmoumen, Boulbeba; Jeribi, Aref; Mnif, Maher Invariance of the Schechter essential spectrum under polynomially compact operators perturbation. (English) Zbl 1283.47007 Extr. Math. 26, No. 1, 61-73 (2011). Reviewer: José Eduardo Sanabria (Cumaná) MSC: 47A10 47A53 47A55 47B07 PDFBibTeX XMLCite \textit{B. Abdelmoumen} et al., Extr. Math. 26, No. 1, 61--73 (2011; Zbl 1283.47007)
Fakhfakh, F.; Mnif, M. Perturbation theory of lower semi-Browder multivalued linear operators. (English) Zbl 1229.47006 Publ. Math. Debr. 78, No. 3-4, 595-606 (2011). Reviewer: Florian-Horia Vasilescu (Villeneuve d’Ascq) MSC: 47A06 47A53 47A10 47A55 PDFBibTeX XMLCite \textit{F. Fakhfakh} and \textit{M. Mnif}, Publ. Math. Debr. 78, No. 3--4, 595--606 (2011; Zbl 1229.47006) Full Text: DOI
Fakhfakh, Fatma; Mnif, Maher Browder and semi-Browder operators and perturbation function. (English) Zbl 1208.47020 Extr. Math. 24, No. 3, 219-241 (2009). Reviewer: Alexei Yu. Karlovich (Lisboa) MSC: 47B07 47A10 47A53 47A55 PDFBibTeX XMLCite \textit{F. Fakhfakh} and \textit{M. Mnif}, Extr. Math. 24, No. 3, 219--241 (2009; Zbl 1208.47020)
Abdelmoumen, Boulbeba; Dehici, Abdelkader; Jeribi, Aref; Mnif, Maher Some new properties in Fredholm theory, Schechter essential spectrum, and application to transport theory. (English) Zbl 1151.47018 J. Inequal. Appl. 2008, Article ID 852676, 14 p. (2008). Reviewer: Mohamed Zohry (Tétouan) MSC: 47A53 47A10 47H09 47N55 82D75 PDFBibTeX XMLCite \textit{B. Abdelmoumen} et al., J. Inequal. Appl. 2008, Article ID 852676, 14 p. (2008; Zbl 1151.47018) Full Text: DOI EuDML
Fakhfakh, Fatma; Mnif, Maher Perturbation of semi-Browder operators and stability of Browder’s essential defect and approximate point spectrum. (English) Zbl 1151.47020 J. Math. Anal. Appl. 347, No. 1, 235-242 (2008). Reviewer: Mohamed Zohry (Tétouan) MSC: 47A53 47A55 PDFBibTeX XMLCite \textit{F. Fakhfakh} and \textit{M. Mnif}, J. Math. Anal. Appl. 347, No. 1, 235--242 (2008; Zbl 1151.47020) Full Text: DOI
Jeribi, Aref; Mnif, Maher Fredholm operators, essential spectra and application to transport equations. (English) Zbl 1097.47014 Acta Appl. Math. 89, No. 1-3, 155-176 (2005). Reviewer: Sotiris K. Ntouyas (Ioannina) MSC: 47A55 47A53 47A10 47D03 47N20 47G20 47N55 82C70 PDFBibTeX XMLCite \textit{A. Jeribi} and \textit{M. Mnif}, Acta Appl. Math. 89, No. 1--3, 155--176 (2005; Zbl 1097.47014) Full Text: DOI