ON THE ANTI-CANONICAL GEOMETRY OF WEAK -FANO THREEFOLDS, III

IF 0.8 2区数学 Q2 MATHEMATICS

Nagoya Mathematical Journal Pub Date : 2023-08-22 DOI:10.1017/nmj.2023.17

Chen Jiang, Yu-Xi Zou

引用次数: 0

Abstract

For a terminal weak

${\mathbb {Q}}$

-Fano threefold X, we show that the mth anti-canonical map defined by

$|-mK_X|$

is birational for all

$m\geq 59$

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关于弱FANO三重的反经典几何

对于终端弱${\mathbb｛Q｝}$-Fano三重X，我们证明了由$|-mK_X|$定义的第m个反正则映射对于所有$m\geq59$都是对偶的。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Nagoya Mathematical Journal 数学-数学

CiteScore

1.60

自引率

0.00%

发文量

审稿时长

6 months

期刊介绍： The Nagoya Mathematical Journal is published quarterly. Since its formation in 1950 by a group led by Tadashi Nakayama, the journal has endeavoured to publish original research papers of the highest quality and of general interest, covering a broad range of pure mathematics. The journal is owned by Foundation Nagoya Mathematical Journal, which uses the proceeds from the journal to support mathematics worldwide.