Preprint 1/2020

Towards finding hay in a haystack: explicit tensors of border rank greater than 2.02m in mmm

Joseph Landsberg and Mateusz Michałek

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Submission date: 02. Jan. 2020
MSC-Numbers: 15A69, 14L35, 68Q15
Link to arXiv:See the arXiv entry of this preprint.

We write down an explicit sequence of tensors in mmm, for all m sufficiently large, having border rank at least 2.02m, overcoming a longstanding barrier. We obtain our lower bounds via the border substitution method.

04.06.2020, 09:13