Approximable algebras and a question of H. Chen

Catriona Maclean

Mathematische Nachrichten, 2019, vol. 292, issue 1, 121-126

Abstract: In , Huayi Chen introduces the notion of an approximable graded algebra, which he uses to prove a Fujita‐type theorem in the arithmetic setting, and asks if any such algebra is a sub‐algebra of the graded section ring of a big line bundle on an algebraic variety. We give a counter‐example showing that this is not the case.

Date: 2019
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https://doi.org/10.1002/mana.201700145

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