Concise tensors of minimal border rank
Concise tensors of minimal border rank
复制标题
最小边界秩的简明张量
DOI:
10.1007/s00208-023-02569-y
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发表时间:
2023
影响因子:
1.4
通讯作者:
Pal, Arpan
中科院分区:
文献类型:
--
作者:
Jelisiejew, Joachim;Landsberg, J. M.;Pal, Arpan
We determine defining equations for the set of concise tensors of minimal border rank inwhenand the set of concise minimal border rank-generic tensors when. We solve the classical problem in algebraic complexity theory of classifying minimal border rank tensors in the special case. Our proofs utilize two recent developments: the 111-equations defined by Buczyńska–Buczyński and results of Jelisiejew–Šivic on the variety of commuting matrices. We introduce a new algebraic invariant of a concise tensor, its 111-algebra, and exploit it to give a strengthening of Friedland’s normal form for 1-degenerate tensors satisfying Strassen’s equations. We use the 111-algebra to characterize wild minimal border rank tensors and classify them in.
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DOI:
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