Geodesic
ON THE EQUIVALENCE OF BROWDER'S AND GENERALIZED BROWDER'S THEOREM
Glasgow mathematical journal, Tome 48 (2006) no. 1, pp. 179-185

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DOI

In this note we answer two question posed by Berkani and Koliha [Acta Sci. Math.69 (2003), 359–376]. We show that generalized Browder's (resp. generalized $a$-Browder's) theorem holds for a Banach space operator if and only if Browder's (resp. $a$-Browder's) theorem does. We also give condition under which generalized Weyl's (resp. generalized $a$-Weyl's) theorem is equivalent to Weyl's (resp. $a$-Weyl's) theorem.
DOI : 10.1017/S0017089505002971
Mots-clés : Primary 47A53, Secondary 47A10, 47A11 
AMOUCH, M.; ZGUITTI, H. ON THE EQUIVALENCE OF BROWDER'S AND GENERALIZED BROWDER'S THEOREM. Glasgow mathematical journal, Tome 48 (2006) no. 1, pp. 179-185. doi: 10.1017/S0017089505002971
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