Webb — Quasimaps And Some Examples Of Stacks For Everybody (2020)

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Rachel Webb. Quasimaps and Some Examples of Stacks for Everybody. arXiv. 2020.

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Abstract

This note introduces the theory of quasimaps to GIT quotients with intuition and concrete examples, with the goal of explaining a closed formula for the quasimap I-function. Along the way, it emphasizes aspects of this story that illustrate general stacky concepts.