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On the spectrum of fractional difference operator
Linear and Multilinear Algebra ( IF 0.9 ) Pub Date : 2021-08-09 , DOI: 10.1080/03081087.2021.1960261
Pinakadhar Baliarsingh 1
Affiliation  

This work mainly explores the idea of the spectrum of the fractional difference operator Δν(α) (of order αR) over the Banach space ℓ1. The difference operator Δν(α) via the sequence x = (xk) is defined by (Δν(α)x)k=i=0(α)ii!νkixki,where (α)i denotes the Pochhammer symbol, αR and ν = (νk) is either a constant or strictly decreasing sequence of positive real numbers with some conditions. Sets comprising of the point, the residual and the continuous spectrum of the operator Δν(α) on the Banach space ℓ1 are computed.



中文翻译:

关于分数差算子的谱

这项工作主要探讨分数差算子谱的思想ν(α)(按顺序αR) 在 Banach 空间 ℓ 1上。差分算子ν(α)通过序列x  = ( x k ) 定义为(ν(α)X)k==0(α)νkXk,其中 ( α ) i表示 Pochhammer 符号,αR并且ν  = ( ν k ) 在某些条件下是常数或严格递减的正实数序列。由算子的点、残差和连续谱组成的集合ν(α)在 Banach 空间 ℓ 1上计算。

更新日期:2021-08-09
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