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A Boundedness Theorem for Principal Bundles on Curves by Chang, Huai-Liang; Guo, Shuai; Li, Jun; Li, Wei-Ping; Zhou, Yang is a scholarly article available to read on EtoBox.

What is A Boundedness Theorem for Principal Bundles on Curves about?

Let $G$ be a reductive group acting on an affine scheme $V$. We study the set of principal $G$-bundles on a smooth projective curve $\mathcal C$ such that the associated $V$-bundle admits a section sending the generic point of $\mathcal C$ into the GIT stable locus $V^{\mathrm{s}}(\theta)$. We show that after fixing the degree of the line bundle induced by the character $\theta$, the set of such principal $G$-bundles is bounded. The statement of our theorem is made slightly more general so that we deduce from it the boundedness for $\epsilon$-stable quasimaps and $\Omega$-stable LG-quasimap.

Author

Chang, Huai-Liang; Guo, Shuai; Li, Jun; Li, Wei-Ping; Zhou, Yang

Published

2023

Language

EN