Points of finite order on elliptic curves with complex multiplication
نویسندگان
چکیده
منابع مشابه
On Primitive Points of Elliptic Curves with Complex Multiplication
Let E be an elliptic curve defined over Q and P ∈ E(Q) a rational point of infinite order. Suppose that E has complex multiplication by an order in the quadratic imaginary field k. Denote by ME,P the set of rational primes ` such that ` splits in k, E has good reduction at `, and P is a primitive point modulo `. Under the generalized Riemann hypothesis, we can determine the positivity of the de...
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i.e., the supremum of all orders of torsion points on elliptic curves defined over some degree d number field. Write T (d)′ for the set of prime divisors of elements of Td, and P (d) for the largest element of T (d)′. Let TCM(d) (resp. TIM(d)) be the subset of T (d) corresponding to elliptic curves with complex multiplication (resp. with algebraic integral modulus j(E)), and similarly adding th...
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For any elliptic curve E defined over the rationals with complex multiplication (CM) and for every prime p, we describe the image of the mod p Galois representation attached to E. We deduce information about the field of definition of torsion points of these curves; in particular, we classify all cases where there are torsion points over Galois number fields not containing the field of definiti...
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Let GA be an AF -algebra given by a periodic Bratteli diagram with the incidence matrix A. Depending on a polynomial p(x) ∈ Z[x], we assign to GA a finite abelian group Abp(x)(GA) = Z /p(A)Z. It is shown that for every p(x), such that p(0) = ±1, the Abp(x)(GA) is an invariant of the strong stable isomorphism class of the AF -algebra GA. Using a categorical correspondence between the elliptic cu...
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ژورنال
عنوان ژورنال: Manuscripta Mathematica
سال: 1974
ISSN: 0025-2611,1432-1785
DOI: 10.1007/bf01171442