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on the spectrum and fine spectrum of an upper triangular double-band matrix on sequence spaces
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نویسنده
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ercan sinan
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منبع
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international journal of nonlinear analysis and applications - 2021 - دوره : 12 - شماره : 2 - صفحه:163 -171
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چکیده
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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 $cs$.
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کلیدواژه
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spectrum of an operator ,sequence space
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آدرس
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fırat university, faculty of sciences, department of mathematics, turkey
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پست الکترونیکی
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sinanercan45@gmail.com
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Authors
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