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Vanishing homology of projective hypersurfaces with 1-dimensional singularities (1411.2640v3)
Published 10 Nov 2014 in math.AG and math.CV
Abstract: We introduce and study the vanishing homology of singular projective hypersurfaces. We prove its concentration in two levels in case of 1-dimensional singular locus $\Sigma$, and moreover determine the ranks of the nontrivial homology groups. These two groups depend on the monodromy at special points of $\Sigma$ and on the effect of the monodromy of the local system over its complement.
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