47B48 approximate spectrum m-isometry m-left inverse m-right inverse point spectrum
This article has two purposes: the first is to give some structure results for the class of m-isometries, and the second purpose is to extend the notions of left and right inverses to m-left and m-right inverses respectively.
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Title
Some properties of m-isometries and m-invertible operators on banach spaces
Creators - without role
Ould Ahmed Mahmoud Sid Ahmed - Department of Mathematics, College of Science, Aljouf University, Aljouf 2014, Saudi Arabia