Explicit Coleman integration for curves
نویسندگان
چکیده
منابع مشابه
Explicit Coleman Integration for Hyperelliptic Curves
Coleman’s theory of p-adic integration figures prominently in several number-theoretic applications, such as finding torsion and rational points on curves, and computing p-adic regulators in K-theory (including p-adic heights on elliptic curves). We describe an algorithm for computing Coleman integrals on hyperelliptic curves, and its implementation in Sage.
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The Coleman integral is a p-adic line integral. Double Coleman integrals on elliptic curves appear in Kim’s nonabelian Chabauty method, the first numerical examples of which were given by the author, Kedlaya, and Kim [3]. This paper describes the algorithms used to produce those examples, as well as techniques to compute higher iterated integrals on hyperelliptic curves, building on previous jo...
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متن کاملColeman Integration for Even Degree Models of Hyperelliptic Curves
The Coleman integral is a p-adic line integral that encapsulates various quantities of number theoretic interest. Building on the work of Harrison [8], we extend the Coleman integration algorithms in [2] to even degree models of hyperelliptic curves. We illustrate our methods with numerical examples computed in Sage.
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It is shown that the knowledge of a surjective morphism $Xto Y$ of complex curves can be effectively used to make explicit calculations. The method is demonstrated by the calculation of $j(ntau)$ (for some small $n$) in terms of $j(tau)$ for the elliptic curve with period lattice $(1,tau)$, the period matrix for the Jacobian of a family of genus-$2$ curves complementing the classi...
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ژورنال
عنوان ژورنال: Mathematics of Computation
سال: 2020
ISSN: 0025-5718,1088-6842
DOI: 10.1090/mcom/3542