Shokurov's Gorensteinness conjecture for quotient singularities
Let be an -dimensional -Gorenstein variety, let be a closed point, and let denote the minimal log discrepancy at .
Shokurov's Gorensteinness conjecture. The following assertions hold:
- .
- If , then is smooth at .
- If , then is Gorenstein at .
The source states that this conjecture is proved for quotient singularities, including the assertion that one can take in the index conjecture.
References
Primary source
Yusuke Nakamura and Kohsuke Shibata, “Shokurov's index conjecture for quotient singularities”, arXiv:2209.04845 (2024).
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