6 citations · 7 across the 9 of their papers we have counts for
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math.CO2013
When does cp-rank equal rank?
Wasin So, Changqing Xu
The problem of finding completely positive matrices with equal cp-rank and rank is considered. We give some easy-to-check sufficient conditions on the entries of a doubly nonnegati…
math.NA2013★ 6 cited
Nonnegative Tensor Factorization, Completely Positive Tensors and an Hierarchical Elimination Algorithm
Liqun Qi, Changqing Xu, Yi Xu
Nonnegative tensor factorization has applications in statistics, computer vision, exploratory multiway data analysis and blind source separation. A symmetric nonnegative tensor, wh…