Tag: matrix domain; infinite matrix; spectrum; resolvent; solvability; Fredholm operator; similarity

Solvability and Spectrum of Infinite Matrix Operators on XA

Mohammed Abdullahi & Ahmadu Kiltho DOI: 10.5281/zenodo.22654682 SSR Journal of Multidisciplinary (SSRJM) Let  be a Banach sequence space, let  be an invertible triangle, and equip the matrix domain  with the norm  This paper studies solvability and spectral properties of infinite Read More …