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Dragos Oprea

Divisors on the moduli spaces of stable maps to flag varieties and reconstruction

We determine generators for the codimension 1 Chow group of the moduli spaces of genus zero stable maps to flag varieties G | P. In the case of SL flags, we find all relations between our generators, showing that they essentially come from . In addition, we analyze the codimension 2 classes on the moduli spaces of stable maps to Grassmannians and prove a new codimension 2 relation. This will lead to a partial reconstruction theorem for the Grassmannian of 2 planes.

Journal fur die reine und angewandte Mathematik (Crelles Journal), Walter de Gruyter

Print ISSN: 0075-4102
Volume: 2005, 09/2005
Seiten: 169 - 205

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