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arxiv: 1601.02968 · v1 · pith:DFNG7KRAnew · submitted 2016-01-12 · 🧮 math.AG

Uniqueness of minimal morphisms of logarithmic schemes

classification 🧮 math.AG
keywords modulispacelogarithmicmorphismsschemesmapsprojectivestable
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We give a sufficient condition under which the moduli space of morphisms between logarithmic schemes is quasifinite under the moduli space of morphisms between the underlying schemes. This implies that the moduli space of stable maps from logarithmic curves to a target logarithmic scheme is finite over the moduli space of stable maps, and therefore that it has a projective coarse moduli space when the target is projective.

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  1. The integral Chow ring of $\mathscr{M}_{0}(\mathbb{P}^r, 2)$

    math.AG 2026-04 unverdicted novelty 6.0

    The integral Chow ring of M_0(P^r, 2) is presented as a quotient of a three-variable polynomial ring with all non-trivial relations encoded by two rational generating functions.