Tensor extensions of Newton and Denman-Beavers iterations for T-product square roots, with image processing applications and a proved Bures-Wasserstein metric on T-positive definite tensors.
Lund, The tensor t-function: A definition for functions of third-order tensors, Numerical Linear Algebra with Applications27 (3) (2020) e2288
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Iterative Methods for Computing the T-Square Root of Third-Order Tensors
Tensor extensions of Newton and Denman-Beavers iterations for T-product square roots, with image processing applications and a proved Bures-Wasserstein metric on T-positive definite tensors.