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Rationality of the quotient of ℙ2 by finite group of automorphisms over arbitrary field of characteristic zero

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Trepalin A.

Open Mathematics

2014

tom 12

nr 2

229-239

Let $$\Bbbk$$ be a field of characteristic zero and G be a finite group of automorphisms of projective plane over $$\Bbbk$$. Castelnuovo’s criterion implies that the quotient of projective plane by G is rational if the field $$\Bbbk$$ is algebraically closed. In this paper we prove that $${{\mathbb{P}_\Bbbk ^2 } \mathord{\left/ {\vphantom {{\mathbb{P}_\Bbbk ^2 } G}} \right. \kern-\nulldelimiterspace} G}$$ is rational for an arbitrary field $$\Bbbk$$ of characteristic zero.

Ograniczanie wyników

1 Open Mathematics

1 Trepalin A.

1 2014

Wyniki wyszukiwania

Rationality of the quotient of ℙ2 by finite group of automorphisms over arbitrary field of characteristic zero