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- W1888994901 abstract "We study the combinatorial description of the LDU decomposition of totally positive matrices. We give a description of the lower triangular L, the diagonal D, and the upper triangular U matrices of the LDU decomposition of totally positive matrices in terms of the combinatorial structure of essential planar networks described by Zelvinsky and Fomin. Similarly, we find a combinatorial description of the inverses of these matrices. In addition, we provide recursive formulae for computing the L, D, and U matrices of a totally positive matrix." @default.
- W1888994901 created "2016-06-24" @default.
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- W1888994901 date "2015-10-26" @default.
- W1888994901 modified "2023-09-26" @default.
- W1888994901 title "A Combinatorial Interpretation of the LDU Decomposition of Totally Positive Matrices" @default.
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