Characterizing (0,± 1)-matrices with only even-rank principal submatrices in terms of skew-symmetry
arXiv: Combinatorics(2018)
摘要
We show that every principal submatrix of a square matrix A with only entries in {0,1,-1} has even rank if and only if A is skew-symmetric up to multiplication of rows/columns by -1.
更多查看译文
AI 理解论文
溯源树
样例
生成溯源树,研究论文发展脉络
Chat Paper
正在生成论文摘要