Tensor–tensor products with invertible linear transforms - Kernfeld, Eric; Kilmer, Misha; Aeron, Shuchin (Linear algebra and its applications, 2015)
Keywords: DCT; Linear transformation; Module; Multiway; SVD; Tensor; SVD; Tensor; DCT; 94A08; Multiway; Linear transformation; 15A69; 5B05; Module; 06F25