The Jacobian-minor primaryness conjecture for ideals generated by quadrics

Let JJ be an ideal generated by quadrics in a polynomial ring SS, and let r=ht(J)2r={\rm ht}(J)\geq 2. Let Θ\Theta be the Jacobian matrix of JJ, let Ir(Θ)I_r(\Theta) denote its ideal of rr-minors, and let m\mathfrak m be the irrelevant maximal ideal of SS. The Jacobian-minor primaryness conjecture. The following conditions are equivalent:

  1. Ir(Θ)=mrI_r(\Theta)=\mathfrak m^r.
  2. Ir(Θ)I_r(\Theta) is m\mathfrak m-primary.

This conjecture generalizes the equivalence established in the paper for ideals generated by the 22-minors of a 2×n2\times n matrix of linear forms. Its status is not resolved in the supplied text.

Sources & referencesView supporting material

Primary source

Abbas Nasrollah Nejad and Rashid Zaare-Nahandi, “Aluffi torsion-free ideals”, arXiv:1103.3112 (2011).

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