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In this paper the authors review some work relating the topology to algebraic invariants. Three cases are considered: hypersurfaces, vector fields and vector fields tangent to hypersurfaces. An example is the case of "real Milnor fibres". Let f[...]texto impreso
We introduce bilinear forms in a flag in a complete intersection local R-algebra of dimension 0, related to the Eisenbud-Levine, Khimshiashvili bilinear form. We give a variational interpretation of these forms in terms of Jantzen's filtration a[...]texto impreso
Let T and V be complex analytic spaces, with T reduced and locally irreducible and ?:T×V?T the projection map to the first factor. Let K ? be a complex 0?K n ? X n K n?1 ? X n?1 …? X 2 K 1 ? X 1 K 0 ?0 of O T×V coherent sheaves, whe[...]
