Generalized totally positive matrices
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Miroslav Fiedler; Thomas L. Markham
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Article
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2000
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Elsevier Science
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English
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We say that a rectangular matrix over a (in general, noncommutative) ring with identity having a positive part is generalized totally positive (GTP) if in all nested sequences of socalled relevant submatrices, the Schur complements are positive. Here, a relevant submatrix is such either having k con