Factorisation of cross-symmetric, totally nonnegative matrices and an amazing matrix

2020/11/13 by T. H. Lenagan, Lenagan, T H, A P Neate +1
Computer Science · Engineering · Mathematics · #15B48 #Advanced Topics in Algebra #FOS: Mathematics #Matrix Theory and Algorithms #Rings and Algebras (math.RA) #graph theory and CDMA systems

paper · pdf · doi:10.48550/arxiv.2011.06980

openalex publication_date 2020/11/13 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We establish a factorisation theorem for invertible, cross-symmetric, totally nonnegative matrices, and illustrate the theory by verifying that certain cases of Holte's Amazing Matrix are totally nonnegative.

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