Freeness of divisors with equidimensional radical Jacobian ideal of depth two
Freeness of divisors with equidimensional radical Jacobian ideal of depth two
Let be a divisor in a complex manifold , defined at a point by . Assume that its Jacobian ideal is radical, equidimensional, and has depth in . Depth-two freeness conjecture. The quotient is Cohen--Macaulay; equivalently, such a divisor is free at . This is posed as the expected behavior for radical Jacobian ideals of depth two; the surrounding discussion records special cases and examples but does not resolve the general assertion.
Sources & referencesView supporting material
Primary source
Eleonore Faber, “Characterizing normal crossing hypersurfaces”, arXiv:1201.6276 (2014).
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