SOME RESULTS ON LINEAR OPERATORS: NORM EQUIVALENCE AND CLOSED RANGE

Jahangir Cheshmavar, Seyed Kamel Hosseini, HECTOR CAMILO CHAPARRO, SANAR KHALIL SARBAZ

Abstract


In this paper we develop some properties about bounded linear operators. We investigate relationships between bounded below and norm equivalent operators. Finally, we study conditions under which those operators become Fredholmn, Weyl and Browder type operators, respectively.

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