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Using stacks to impose tangency conditions on curves

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arxiv math/0312349 v4 pith:CIFRYBOT submitted 2003-12-18 math.AG

classification math.AG
keywords mapsstablestackabramovich-vistolibetacartierclosedcompactifications
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We define a Deligne-Mumford stack X_{D,r} which depends on a scheme X, an effective Cartier divisor D\subset X, and a positive integer r. Then we show that the Abramovich-Vistoli moduli stack of stable maps into X_{D,r} provides compactifications of the locally closed substacks of \bar{M}_{g,n}(X,\beta) corresponding to relative stable maps.

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Cited by 1 Pith paper

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  1. Stringy Chow rings and weighted blow ups

    math.AG 2025-02 accept novelty 7.0 of 10

    An explicit computation of the stringy Chow ring for quotients by diagonalizable groups and for weighted blowups, with finite generation criteria.

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