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cs.DS2017
Linear algebraic analogues of the graph isomorphism problem and the Erdős-Rényi model
Yinan Li, Youming Qiao
A classical difficult isomorphism testing problem is to test isomorphism of p-groups of class 2 and exponent p in time polynomial in the group order. It is known that this problem…
math.RA2017
On rank-critical matrix spaces
Yinan Li, Youming Qiao
A matrix space of size is a linear subspace of the linear space of matrices over a field . The rank of a matrix space is defined as the maximal…