Spectra and fine spectra for the upper triangular band matrix U(a0, a1, a2; b0, b1, b2) over the sequence space c0
Author
Durna, Nuh
Kılıç, Rabia
Abstract
The aim of this paper is to obtain the spectrum, fine spectrum, approximate point spectrum, defect spectrum and compression spectrum of the operator
on the sequence space c0 where b0, b1 , b2 are nonrzero and the nonzero diagonals are the entries of an oscillatory sequence.
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