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Relations between the 2 × 2 minors of a generic matrix
Advances in Mathematics ( IF 1.5 ) Pub Date : 2021-06-01 , DOI: 10.1016/j.aim.2021.107807 Hang Huang , Michael Perlman , Claudia Polini , Claudiu Raicu , Alessio Sammartano
中文翻译:
通用矩阵的 2 × 2 次要矩阵之间的关系
更新日期:2021-06-02
Advances in Mathematics ( IF 1.5 ) Pub Date : 2021-06-01 , DOI: 10.1016/j.aim.2021.107807 Hang Huang , Michael Perlman , Claudia Polini , Claudiu Raicu , Alessio Sammartano
We prove the case of a conjecture of Bruns–Conca–Varbaro, describing the minimal relations between the minors of a generic matrix. Interpreting these relations as polynomial functors, and applying transpose duality as in the work of Sam–Snowden, this problem is equivalent to understanding the relations satisfied by generalized permanents. Our proof follows by combining Koszul homology calculations on the minors side, with a study of subspace varieties on the permanents side, and with the Kempf–Weyman technique (on both sides).
中文翻译:
通用矩阵的 2 × 2 次要矩阵之间的关系
我们证明情况 Bruns-Conca-Varbaro 的猜想,描述了 通用矩阵的次要。将这些关系解释为多项式函子,并应用 Sam-Snowden 的工作中的转置对偶,这个问题相当于理解满足以下条件的关系广义的永久物。我们的证明是通过将未成年人方面的 Koszul 同源性计算与永久方面的子空间变体研究以及 Kempf-Weyman 技术(双方)相结合来证明的。