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The Nondecreasing Rank
Andrew McCormack
In this article the notion of the nondecreasing (ND) rank of a matrix or tensor is introduced. A tensor has an ND rank of r if it can be represented as a sum of r outer products of…
math.ST2025
On the Existence of Unbiased Hypothesis Tests: An Algebraic Approach
Andrew McCormack
In hypothesis testing problems the property of strict unbiasedness describes whether a test is able to discriminate, in the sense of a difference in power, between any distribution…