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arXiv · 2110.05447

Numerical contraction for orbifold surfaces

Nathan Grieve
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Abstract

We study singularities and Artin's contraction theorem for orbifold surfaces. Our main result has a consequence which is in the direction of the birational Minimal Model Program for b-terminal orbifold surfaces. For example, we ascertain the nature of extremal contractions for such $b$-terminal pairs.

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Nathan Grieve. 2021-10-11. Numerical contraction for orbifold surfaces. https://arxiv.org/abs/2110.05447

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