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math.CO2023
Vertices of the polytope of polystochastic matrices and product constructions
Anna A. Taranenko
A multidimensional nonnegative matrix is called polystochastic if the sum of its entries at each line is equal to . The set of all polystochastic matrices of order and dimen…
math.CO2023
Products of multidimensional matrices, stochastic matrices, and permanents
Anna A. Taranenko
In this paper we consider four basic multidimensional matrix operations (outer product, Kronecker product, contraction, and projection) and two derivative operations (dot and circl…