Mathematics – Algebraic Geometry
Scientific paper
2007-11-02
Mathematics
Algebraic Geometry
25 pages, 3 figures
Scientific paper
The universal curve p:C->\Mbar over the moduli space \Mbar of stable r-spin maps to a target K\"ahler manifold X carries a universal spinor bundle L->C. Therefore the moduli space \Mbar itself carries a natural K-theory class Rp_*L. We introduce a twisted r-spin Gromov-Witten potential of X enriched with Chern characters of Rp_*L. We show that the twisted potential can be reconstructed from the ordinary r-spin Gromov-Witten potential of X via an operator that assumes a particularly simple form in Givental's quantization formalism.
Chiodo Alessandro
Zvonkine Dimitri
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