Balasubramanian, R. ; Kulkarni, S. H. ; Radha, R. (2001) Non invertibility of certain almost mathieu operators Proceedings of the American Mathematical Society, 129 (7). pp. 2017-2018. ISSN 0002-9939
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Official URL: http://www.ams.org/journals/proc/2001-129-07/S0002...
Abstract
It is shown that the almost Mathieu operators of the type Ten=en-1 + λsin(2nr)en + en+1 where λ is real and r is a rational multiple of π and {en:n = 1,2,3,....} an orthonormal basis for a Hilbert space, is notinvertible.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Mathematical Society. |
| ID Code: | 72368 |
| Deposited On: | 29 Nov 2011 12:45 |
| Last Modified: | 29 Nov 2011 12:45 |
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