On a characterization of certain maximal curves

On a characterization of certain maximal curves
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关于某些最大曲线的表征

DOI:
10.1016/j.ffa.2003.06.002
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发表时间:
2004
期刊:
Finite Fields Their Appl.
影响因子:
--
通讯作者:
Arnaldo Garcia
Arnaldo Garcia
中科院分区:
--
文献类型:
--
作者:
Miriam Abdón;Arnaldo Garcia

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对于亏格为(q/n−1)q/2的Fq 2-极大曲线X,其中q/n在某点是非凸的,在进一步假设某个域扩张是伽罗瓦域扩张的条件下,我们证明了X是Fq 2-同构于P(y)=A(x)给出的曲线的非奇异模型,其中P是q/n次可加可分多项式,A是q+1次多项式。在特殊情况下n=p=char(Fq 2),我们能够刻画这样的极大曲线,而不需要假设某个扩展是伽罗瓦。
For a Fq2-maximal curve X of genus (q/n−1)q/2, where q/n is a nongap at some point, we show that X is Fq2-isomorphic to the nonsingular model of a curve given by P(y)=A(x), where P is an additive separable polynomial of degree q/n and where A is a polynomial of degree q+1, under the further hypothesis that a certain field extension is Galois. In the particular case n=p=char( Fq2) we were able to characterize such maximal curves without the assumption that a certain extension is Galois.
有限域上的维尔斯特拉斯点和曲线
DOI: 10.1112/plms/s3-52.1.1
发表时间: 1986
影响因子: 1.8
作者:
Karl;J. Voloch
通讯作者: J. Voloch