Journal
COMPLEX VARIABLES AND ELLIPTIC EQUATIONS
Volume 58, Issue 6, Pages 751-766Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/17476933.2011.617042
Keywords
Wiener algebra; Fredholm property; invertibility; 47B39; 39A70
Categories
Funding
- CONACYT [81615]
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This article is devoted to the problems of invertibility and Fredholmness of operators in the weighted Wiener algebra acting in the weighted spaces of vector-functions on the lattice (Z)(n)={x(n):x=y,yZ(n)} for small >0. We consider the discrete Schrodinger operators on (Z)(n) as applications and study the relation between the spectra of Schrodinger operators on (n) and its discrete models on (Z)(n) for small >0.
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