The Chow ring of Mbar0,m(n, d)
Abstract
We describe the Chow ring with rational coefficients of the moduli space of stable maps with marked points Mbar0,m(n,d) as the subring of invariants of a ring B, relative to the action of the group of symmetries of d elements. B is computed by following a sequence of intermediate spaces for Mbar0,m(n,d) and relating them to substrata of Mbar0,1(n,d+m-1). An additive basis for the Chow ring is presented.
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