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Bibliographic Details
Main Author: Moriyama, Nao
Format: Preprint
Published: 2026
Subjects:
Online Access:https://arxiv.org/abs/2602.00732
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Table of Contents:
  • We construct a normal projective $\mathbb{Q}$-Gorenstein surface over an algebraically closed field whose canonical ring is not finitely generated. Moreover, we provide a counterexample to the minimal model program for $\mathbb{Q}$-Gorenstein surfaces, which was previously unknown in positive characteristic.