Monday, January 14, 2013

1301.2537 (Eugene Gutkin)

On a multi-dimesional generalization of the notion of orthostochastic
and unistochastic matrices

Eugene Gutkin
We introduce the notions of $d$-orthostochastic, $d$-unistochastic, and $d$-qustochastic matrices. These are the particular cases of $F^d$-bistochastic matrices where $F$ is real or complex numbers or quaternions. The concept is motivated by mathematical physics. When $d=1$, we recover the orthostochastic, unistochastic, and qustochastic matrices respectively. This work exposes the basic properties of $F^d$-bistochastic matrices.
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