On semi B-Fredholm operators

By M. Berkani, M. Sarih. Glasgow Mathematical Journal, 2001

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On the Property (gw) (2008, background): “In particular T is an operator of topological uniform descent [12].”
ON THE EQUIVALENCE OF BROWDER'S AND GENERALIZED BROWDER'S THEOREM (2006, background): “1 of [5], we conclude that we can assume that m ≥ p(T − λ).”
On Drazin invertibility (2008, background): “In this case T [ m ] is a semi-Fredholm operator for all m ≥ n ([13]).”
Index of B-Fredholm operators and generalization of a Weyl theorem (2002, result): “This paper is a continuation of our previous works [2], [3], [ 4 ], [5].”
New extended Weyl type theorems (2010, background): “In this case the index of T is defined as the index of the semi-Fredholm operator T[n], see [7].”