Strong linear preservers of symmetric doubly stochastic or doubly substochastic matrices

淡江大學機構典藏 > 理學院 > 數學學系暨研究所 > 期刊論文 > Item 987654321/41399

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题名:	Strong linear preservers of symmetric doubly stochastic or doubly substochastic matrices
作者:	Lin, Shwu-Huey;Tam, Bit-Shun
贡献者:	淡江大學數學學系
关键词:	Conformal mapping;Graph theory;Stochastic programming;Theorem proving;Linear preservers;Permutation matrices;Stochastic matrices;Symmetric matrices;Matrix algebra
日期:	2004-03
上传时间:	2013-06-13 11:24:52 (UTC+8)
出版者:	Philadelphia: Elsevier Inc.
摘要:	Let denote either the set of n×n symmetric doubly stochastic matrices or the set of n×n symmetric doubly substochastic matrices and let T be a linear map on span . We prove that if and only if there exists an n×n permutation matrix P such that T(X)=PtXP for all . Our proofs make use of the concept of neighborly extreme points of a polytope and depend on some intricate graph theory.
關聯:	Linear Algebra and Its Applications 379(1), pp.179-200
DOI:	10.1016/S0024-3795(03)00452-X
显示于类别:	[數學學系暨研究所] 期刊論文

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