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Paper detail

Genus 3 curves whose Jacobians have endomorphisms by $Q (ζ_7 +\barζ_7 )$, II

In this work we consider constructions of genus three curves $X$ such that $\mathrm{End}(\mathrm{Jac} (X))\otimes Q$ contains the totally real cubic number field $Q(ζ_7 +\barζ_7 )$. We construct explicit three-dimensional families whose generic member is a nonhyperelliptic genus 3 curve with this property. The case when $X$ is hyperelliptic was studied in a previous work by Hoffman and Wang and some nonhyperelliptic curves were constructed in a previous paper by Hoffman, Z. Liang. Sakai and Wang.

preprint2014arXivOpen access
J. W. HoffmanDun LiangZhibin LiangRyotaro OkazakiYukiko SakaiHaohao Wang
math.AG
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J. W. HoffmanDun LiangZhibin LiangRyotaro OkazakiYukiko SakaiHaohao Wang

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