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On the spectrum and fine spectrum of an upper triangular double-band matrix on sequence spaces | ||
| International Journal of Nonlinear Analysis and Applications | ||
| مقاله 13، دوره 12، شماره 2، بهمن 2021، صفحه 163-171 اصل مقاله (358.89 K) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22075/ijnaa.2019.17764.1961 | ||
| نویسنده | ||
| Sinan Ercan* | ||
| Department of Mathematics, Faculty of Sciences, Fırat University, Elazıvg, Turkey | ||
| تاریخ دریافت: 17 خرداد 1398، تاریخ بازنگری: 11 آبان 1398، تاریخ پذیرش: 13 آبان 1398 | ||
| چکیده | ||
| 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 $cs$. | ||
| کلیدواژه‌ها | ||
| Spectrum of an operator؛ sequence space | ||
| مراجع | ||
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