JSIAM Letters
Online ISSN : 1883-0617
Print ISSN : 1883-0609
ISSN-L : 1883-0617
Articles
Counting points on hyperelliptic curves of genus 2 with real models
Yukihiro Uchida
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ジャーナル フリー

2019 年 11 巻 p. 1-4

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A model of a hyperelliptic curve is called an imaginary or real model if it has one or two points at infinity, respectively. In this paper, we propose an algorithm to count points on hyperelliptic curves of genus 2 with real models defined over finite fields of large characteristics. We also estimate the complexity of our algorithm and prove that it has the same order as that of a previously known algorithm for imaginary models.

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© 2019, The Japan Society for Industrial and Applied Mathematics
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