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Parity of the Spin Structure Defined by a Quadratic Differential by Lanneau, Erwan is a scholarly article available to read on EtoBox.

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According to the work of Kontsevich-Zorich, the invariant that classifies non-hyperelliptic connected components of the moduli spaces of Abelian differentials with prescribed singularities,is the parity of the spin structure. We show that for the moduli space of quadratic differentials, the spin structure is constant on every stratum where it is defined. In particular this disproves the conjecture that it classifies the non-hyperelliptic connected components of the strata of quadratic differentials with prescribed singularities. An explicit formula for the parity of the spin structure is given.

Author

Lanneau, Erwan

Published

2002

Language

EN