Computing invariants via slicing groupoids: Gel'fand MacPherson, Gale and positive characteristic stable maps

DOI10.1002/mana.201000058zbMath1262.13009arXiv1011.3448OpenAlexW2121516952MaRDI QIDQ2883879

Jarod Alper

Publication date: 14 May 2012

Published in: Mathematische Nachrichten (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1011.3448

zbMATH Keywords

groupoidsArtin stacksInvariant theory

Mathematics Subject Classification ID

Actions of groups on commutative rings; invariant theory (13A50) Stacks and moduli problems (14D23)

Related Items (1)

The cone of type \(A\), level 1, conformal blocks divisors

Cites Work

• Unnamed Item
• Quotients by groupoids
• The equations for the moduli space of \(n\) points on the line
• Geometric reductivity over arbitrary base
• Geometry in Grassmannians and a generalization of the dilogarithm
• Stable configurations of linear subspaces and quotient coherent sheaves
• Rational singularities, with applications to algebraic surfaces and unique factorization
• On Isolated Rational Singularities of Surfaces

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