Title of article :
On the spectrum and ne spectrum of an upper triangular double-band matrix on sequence spaces
Author/Authors :
Ercan, Sinan Department of Mathematics - Faculty of Sciences - Fırat University, Elazıvg, Turkey
Abstract :
In this paper, we investigate the spectrum and fine spectrum of the upper triangular double-band matrix Δuv on cs sequence space. We also determine the approximate point spectrum, the defect spectrum and the compression spectrum of this matrix on cs.
Keywords :
Spectrum of an operator , sequence space
Journal title :
International Journal of Nonlinear Analysis and Applications
