External Scientific Member at BCAM.
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COHOMOLOGY OF CONTACT LOCI
(2022-01-01)We construct a spectral sequence converging to the cohomology with compact support of the m-th contact locus of a complex polynomial. The first page is explicitly described in terms of a log resolution and coincides with ...
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Monodromy conjecture for semi-quasihomogeneous hypersurfaces
(2021)We give a proof the monodromy conjecture relating the poles of motivic zeta functions with roots of b-functions for isolated quasihomogeneous hypersurfaces, and more generally for semi-quasihomogeneous hypersurfaces. We ...
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Monodromy conjecture for log generic polynomials
(2020)A log generic hypersurface in P n with respect to a birational modification of P n is by definition the image of a generic element of a high power of an ample linear series on the modification. A log very-generic ...
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On the length of perverse sheaves on hyperplane arrangements
(2019)Abstract. In this article we address the length of perverse sheaves arising as direct images of rank one local systems on complements of hyperplane arrangements. In the case of a cone over an essential line arrangement ...