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Intermediate moduli spaces of stable maps

Authors:	Andrei Musta?ǎ Magdalena Anca Musta?ǎ

Institution:	(1) Department of Mathematics, University of Illinois, 1409 W. Green Street, Urbana, 61801, IL, USA

Abstract:	We describe the Chow ring with rational coefficients of $\overline{M}_{0,1}(\mathbb{P}^n,d)$ as the subring of invariants of a ring $B^(\overline{M}_{0,1}(\mathbb{P}^n,d);\mathbb{Q})$ , relative to the action of the group of symmetries S_d. We compute $B^(\overline{M}_{0,1}(\mathbb{P}^n,d);\mathbb{Q})$ by following a sequence of intermediate spaces for $\overline{M}_{0,1}(\mathbb{P}^n,d)$ .

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