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math.CO2023
On linear preservers of permanental rank
Alexander Guterman, Igor Spiridonov
Let denote the set of square matrices over a field of characteristic different from two. The permanental rank of…
math.CO2023
Integrability of matrices
Suren Danielyan, Alexander Guterman, Elena Kreines +1
The concepts of differentiation and integration for matrices are known. As far as each matrix is differentiable, it is not clear a priori whether a given matrix is integrable or no…