Groups of banded matrices with banded inverses
A product A=F[subscript 1]...F[subscript N] of invertible block-diagonal matrices will be banded with a banded inverse. We establish this factorization with the number N controlled by the bandwidths w and not by the matrix size n. When A is an orthogonal matrix, or a permutation, or banded plus f...
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| Format: | Article |
| Language: | en_US |
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American Mathematical Society
2012
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| Online Access: | http://hdl.handle.net/1721.1/72057 https://orcid.org/0000-0001-7473-9287 |