Mixed toric residues and tropical degenerations

Details Mixed toric residues and tropical degenerations Mixed toric residues and tropical degenerations

2004-10-04

arxiv.org/abs/math/0410064v3

Mathematics

Algebraic Geometry

misprints corrected, an example added; 35 pages

Scientific paper

Building on our earlier work on toric residues and reduction, we give a proof for the mixed toric residue conejecture of Batyrev and Materov. We simplify and streamline our technique of tropical degenerations, which allows one to interpolate between two localization principles: one appearing in the intersection theory toric quotients and the other in the calculus of toric residues. This quickly leads to the proof of the conjecture, which gives a closed form for the summation of a generating series whose coefficients are certain variants of the "numbers" of rational curves on toric complete intersection Calabi-Yau manifolds.

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