MJ-canonicity conjecture for intersections under generic linkage

Let XX be a variety in a nonsingular affine space AA, and let YY be a generic link of XX. Set

Z=XY.Z=X\cap Y.

Assume that XX is MJ-canonical. MJ-canonicity conjecture. Then ZZ is also MJ-canonical.

This conjecture proposes that MJ-canonicity is inherited by the intersection with a generic link. The preceding results establish inequalities for minimal MJ-log discrepancies under linkage, but the stated preservation of MJ-canonicity is left as a conjecture.

Sources & referencesView supporting material

Primary source

Wenbo Niu, “Mather-Jacobian singularities under generic linkage”, arXiv:1510.07668 (2016).

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