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math.CO2013
Factorization of permutations
Zejun Huang, Chi-Kwong Li, Sharon H. Li +1
We consider the problem of factoring permutations as a product of special types of transpositions, namely, those transpositions involving two positions with bounded distances. In p…
math.FA2013★ 4 cited
Linear maps preserving the higher numerical ranges of tensor product of matrices
Ajda Fošner, Zejun Huang, Chi-Kwong Li +2
We study linear maps preserving the higher numerical ranges of tensor product of matrices.