Total positivity: tests and parametrizations

1999/12/15 by Sergey Fomin, Andrei Zelevinsky, Fomin, Sergey +1 · 2 citations
Mathematics · #Combinatorics (math.CO) #FOS: Mathematics #Representation Theory (math.RT) #Rings and Algebras (math.RA) #math.CO #math.RA #math.RT

paper · pdf · doi:10.48550/arxiv.math/9912128

20 pages, with color figures

arxiv created 1999/12/15 · arxiv updated 2009/11/30

Abstract

An introduction to total positivity (TP), with the emphasis on efficient TP criteria and parametrizations of TP matrices. Intended for general mathematical audience.

Cited by

• A Factorization of the Log-Concavity Operator for Pascal Determinantal Arrays and Their Infinite Row-Wise Log-Concavity
• Entrywise preservers of sign regularity

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