P3 中光滑曲面的伽罗瓦斜线

IF 0.6 3区数学 Q3 MATHEMATICS Communications in Algebra Pub Date : 2024-08-05 DOI:10.1080/00927872.2024.2378223

Taro Hayashi

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摘要

已知 P3 中阶数 d≥5 的光滑曲面 X 的无理度 irr(X) 至少为 d - 2。本文研究了度数为 d - 2 的伽罗瓦有理映射 f:X--→P2，并证明了...

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Galois skew lines of smooth surfaces in P3

It is known that the degree of irrationality irr(X) of a smooth surface X of degree d≥5 in P3 is at least d – 2. In this paper, we study a Galois rational map f:X−−→P2 of degree d – 2, and we show ...

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来源期刊

Communications in Algebra 数学-数学

CiteScore

1.30

自引率

14.30%

发文量

327

审稿时长

9 months

期刊介绍： Communications in Algebra presents high quality papers of original research in the field of algebra. Articles from related research areas that have a significant bearing on algebra might also be published. Topics Covered Include: -Commutative Algebra -Ring Theory -Module Theory -Non-associative Algebra including Lie algebras, Jordan algebras -Group Theory -Algebraic geometry

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