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Rational cohomology of \bar R_2 (and \bar S_2)
Rational cohomology \bar R_2 (and \bar S_2)
2011/2/25
In this text we compute the rational cohomology ring of R2, the moduli space of Prym curves of genus 2, which is, as we also show, isomorphic to the rational Chow ring of this space. G. Bini and C.