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zbMATH Open
Article . 1989
Data sources: zbMATH Open
Mathematics of Computation
Article . 1989 . Peer-reviewed
Data sources: Crossref
Mathematics of Computation
Article . 1989 . Peer-reviewed
Data sources: Crossref
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Elliptic Pseudoprimes

Elliptic pseudoprimes
Authors: Miyamoto, Ian; Murty, M. Ram;

Elliptic Pseudoprimes

Abstract

LetEbe an elliptic curve overQwith complex multiplication by an order in an imaginary quadratic field. Letψn{\psi _n}denote thenth division polynomial, and letPbe a rational point ofEof infinite order. A natural numbernis called anelliptic pseudoprimeifn|ψn+1(P)n|{\psi _{n + 1}}(P)andnis composite. LetN(x)N(x)denote the number of elliptic pseudoprimes up tox. We show thatN(x)≪x(log⁡log⁡x)7/2/(log⁡x)3/2N(x) \ll x{(\log \log x)^{7/2}}/{(\log x)^{3/2}}. More generally, ifP1,…,Pr{P_1}, \ldots ,{P_r}arerindependent rational points ofEwhich have infinite order, andΓ\Gammais the subgroup generated by them, denote byNΓ(x){N_\Gamma }(x)the number of compositen≤xn \leq xsatisfyingn|ψn+1(Pi)n|{\psi _{n + 1}}({P_i}),1≤i≤r1 \leq i \leq r. Forr≥2r \geq 2, we proveNΓ(x)≪xexp⁡(−c(log⁡x)(log⁡log⁡x)){N_\Gamma }(x) \ll x\exp ( - c\sqrt {(\log x)(\log \log x))}for some positive constantc.

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Keywords

Quadratic extensions, Generalized primes and integers, primality testing, elliptic pseudoprimes, Arithmetic ground fields for curves, Algebraic theory of abelian varieties

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Average
Average
Average
bronze
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