Ryser's Conjecture and Stochastic matrices

Autor:	Gallardo, Luis H.
Rok vydání:	2024
Předmět:	Mathematics - Number Theory Mathematics - Combinatorics 15B34 (Primary) 11A05 (Secondary)
Druh dokumentu:	Working Paper
Popis:	Assume that $H$ is a circulant Hadamard matrix of order $n\geq 4$. We consider an appropriate stochastic matrix $S$ of order $n$ depending on $H$. This allows us to prove that $n = 4$. Thus, there are only $10$ circulant Hadamard matrices.
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/2405.13033 Zobrazit plný text záznamu View this record from Arxiv