Volume no :19, Issue no: 2, May (2018)

Journal of Pure and Applied Mathematics: Advances and Applications

A CONSEQUENCE OF ESSENTIAL SPECTRUM OF AREA ZERO OF ESSENTIALLY OPERATORS

Author's: Vasile Lauric
Pages: [61] - [64]
Received Date: March 29, 2018; Revised April 30, 2018
Submitted by:
DOI: http://dx.doi.org/10.18642/jpamaa_7100121947

Abstract

We define the class that essentially operators and prove that for such operators with zero area of the essential spectrum are essentially normal.

Keywords

essentially operators, essential spectrum of area zero.