Explicitly bounding perfect powers in elliptic divisibility sequences
Autor: | Dahmen, Sander R., van Langen, Joey M. |
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Rok vydání: | 2023 |
Předmět: | |
Druh dokumentu: | Working Paper |
Popis: | In this paper we consider elliptic divisibility sequences generated by a point on an elliptic curve over $\mathbb{Q}$ with $j$-invariant $1728$ given by an integral short Weierstrass equation. For several different such elliptic divisibility sequences, we determine explicitly a finite set of primes such that for all primes $l$ outside this set, the elliptic divisibility sequence contains no $l$-th powers. Our approach uses, amongst other ingredients, the modular method for $\mathbb{Q}$-curves. The corresponding explicit computations fit into a general computational framework for $\mathbb{Q}$-curves, for which they provide illustrative examples. Comment: 23 pages |
Databáze: | arXiv |
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