Explicit formulas express the dimension and degree of the singular subscheme of hypersurfaces in P^n via the graded Betti numbers of the Jacobian algebra, producing new restrictions on those Betti numbers and a dimension result for homologically strictly plus-one generated hypersurfaces.
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On the degree of the singular subscheme of hypersurfaces in ${\mathbb P}^n$
Explicit formulas express the dimension and degree of the singular subscheme of hypersurfaces in P^n via the graded Betti numbers of the Jacobian algebra, producing new restrictions on those Betti numbers and a dimension result for homologically strictly plus-one generated hypersurfaces.