We discuss the non-uniqueness of the rank 1 tensor decomposition for rank 4 tensors of format m1×⋯×mk , k≥3 . We discuss several classes of examples and provide a complete classification if m1=m2=4 .
Examples of non-uniqueness of the rank-1 decomposition of rank 4 tensors / Ballico, Edoardo. - In: SYMMETRY. - ISSN 2073-8994. - ELETTRONICO. - 14:9(2022), pp. 188901-188913. [10.3390/sym14091889]
Examples of non-uniqueness of the rank-1 decomposition of rank 4 tensors
Ballico, Edoardo
2022-01-01
Abstract
We discuss the non-uniqueness of the rank 1 tensor decomposition for rank 4 tensors of format m1×⋯×mk , k≥3 . We discuss several classes of examples and provide a complete classification if m1=m2=4 .File in questo prodotto:
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