The arithmetic of elliptic curves
The arithmetic of elliptic curves
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DOI:
10.1007/bf01389745
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发表时间:
1974-09
影响因子:
3.1
通讯作者:
J. Tate
中科院分区:
文献类型:
--
作者:
J. Tate
After curves of genus 0 (eg lines and conics in the plane) come curves of genus 1, or" elliptic" curves (eg plane cubics or intersections of quadric surfaces in three-space). Elliptic curves are the first examples of abelian varieties. Their points of finite order give the first non-trivial examples of 6tale cohomology groups. The action of Galois groups on these leads both to the classical theory of complex multiplication as well as to systems of non-abelian extensions which may contain clues to non-abelian class field theory. Elliptic curves are intimately connected with the theory of modular forms, in more ways than one. In the early sections I have tried to give a brief introduction to the fundamentals of the subject, using explicit formulas to by-pass chunks of general theory when possible. The later sections are a survey of recent work with emphasis on three main topics:(1) The problem of rational points, the Shafarevitch group, and the conjecture of Birch and Swinnerton-Dyer.(2) Modular curves and Weil's astounding idea that every elliptic curve over the rational field is"'modular".(3) Serre's theorem that the Galois groups obtained from points of finite order on elliptic curves are" as big as possible". I hope to be able to convey some idea of these advances here, illustrating them by numerical examples discussed in the last section. w 2. Weierstrass ModelsIn these lectures we will use the term elliptic curee to mean an abelian variety of dimension 1, or, what is the same, an irreducible non-singular projective algebraic curve of genus 1 furnished with a point 0, the origin for the group law. Any such curve E, defined over a field K, has a plane cubic model of the form