ACI-matrices all of whose completions have the same rank

被引:9
|
作者
Huang, Zejun [1 ]
Zhan, Xingzhi [1 ]
机构
[1] E China Normal Univ, Dept Math, Shanghai 200241, Peoples R China
关键词
Partial matrix; ACI-matrix; Completion; Rank;
D O I
10.1016/j.laa.2010.11.047
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We characterize the ACI-matrices all of whose completions have the same rank, determine the largest number of indeterminates in such partial matrices of a given size, and determine the partial matrices that attain this largest number. (C) 2010 Elsevier Inc. All rights reserved.
引用
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页码:1956 / 1967
页数:12
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