The paper restates the existing tensor normal distribution in tensor-product notation and derives its characteristic function, but the definitions contain inconsistencies and the claimed novelty is overstated.
Gleich, and Lek-Heng Lim, The spacey ran- dom walk: a stochastic process for higher-order data , SIAM Review, 59(2017), pp
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Random Tensors and their Normal Distributions
The paper restates the existing tensor normal distribution in tensor-product notation and derives its characteristic function, but the definitions contain inconsistencies and the claimed novelty is overstated.