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Brill-Noether geometry on moduli spaces of spin curves
Published 6 May 2010 in math.AG | (1005.0933v1)
Abstract: We develop a theory of Brill-Noether divisors on the moduli space of stable spin curves of genus g, and compute the classes of these loci. A spin Brill-Noether cycle is defined in terms of the relative position of the spin structure with respect to certain Raynaud theta-divisors in the Jacobian of the curve.
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