The disguised residual intersection conjecture

Let (R,m)(R,\mathfrak{m}) be a Cohen–Macaulay local ring of dimension dd, let II be an ideal satisfying the sliding depth condition, and let aI\mathfrak{a}\subseteq I define an algebraic ss-residual intersection J=a:IJ=\mathfrak{a}:I. The disguised residual intersection conjecture. If

depth(R/I)ds,\operatorname{depth}(R/I)\geq d-s,

then the disguised ss-residual intersection of II coincides with the algebraic ss-residual intersection JJ. This conjecture would imply the Cohen–Macaulayness of algebraic residual intersections under the sliding depth condition; its general validity is not established in the source.

Sources & referencesView supporting material

Primary source

S. H. Hassanzadeh and J. Naéliton, “Residual Intersections and the Annihilator of Koszul Homologies”, arXiv:1405.4586 (2016).

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