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A matrix and its inverse: revisting minimal rank completions
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A matrix and its inverse: revisting minimal rank completions

ArXiv.org
04 Aug 2006
url
https://doi.org/10.48550/arxiv.math/0608130View
Preprint (Author's original)arXiv.org - Non-exclusive license to distribute Open

Abstract

Mathematics - Numerical Analysis Mathematics - Rings and Algebras
We revisit a formula that connects the minimal ranks of triangular parts of a matrix and its inverse and relate the result to structured rank matrices. We also address the generic minimal rank problem.

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