On the spectrum and fine spectrum of an upper triangular double-band matrix on sequence spaces
نویسندگان
1 Department of Mathematics, Faculty of Sciences, Fırat University, Elazıvg, Turkey
doi
10.22075/ijnaa.2019.17764.1961چکیده
In this paper, we investigate the spectrum and fine spectrum of the upper triangular double-band matrix $\Delta ^{uv}$ on $cs$ sequence space. We also determine the approximate point spectrum, the defect spectrum and the compression spectrum of this matrix on $cs$.