SIGN PATTERNS REQUIRING ALL DISTINCT EIGENVALUES

作     者：Harris Laura 

作者机构：Department of Mathematics and Statistics Georgia State University Atlanta 

出 版 物：《Numerical Mathematics A Journal of Chinese Universities(English Series)》 (高等学校计算数学学报(英文版))

年 卷 期：2000年第9卷第S1期

页      面：15-17页

学科分类：07[理学] 070104[理学-应用数学] 0701[理学-数学] 

主　　题：length cycle SIGN PATTERNS REQUIRING ALL DISTINCT EIGENVALUES DE real 

摘      要：A sign pattern(matrix)is a matrix whose entries are the symbols+,-and *** n×n sign pattern matrix A,the sign pattern class of A,denoted by Q(A),is the set ofall n×n real matrices whose entries have signs indicated by the corresponding entries of *** say that a sign pattern matrix A requires a matrix property P if every real matrix in Q(A)has the property P.A matrix with all distinct eigenvalues has many nice