Quotient singularities by permutation actions are canonical

Autor: Yasuda, Takehiko
Rok vydání: 2024
Předmět:
Druh dokumentu: Working Paper
Popis: The quotient variety associated to a permutation representation of a finite group has only canonical singularities in arbitrary characteristic. Moreover, the log pair associated to such a representation is Kawamata log terminal except in characteristic two, and log canonical in arbitrary characteristic.
Comment: 16 pages
Databáze: arXiv