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Arithmetic on Modular Curves

Arithmetic on Modular Curves

Paperback

Series: Progress in Mathematics, Book 20

AlgebraGeneral Gardening

ISBN10: 0817630880
ISBN13: 9780817630881
Publisher: Springer Nature
Published: Jan 1 1982
Pages: 217
Weight: 0.71
Height: 0.50 Width: 6.00 Depth: 9.00
Language: English
One of the most intriguing problems of modern number theory is to relate the arithmetic of abelian varieties to the special values of associated L-functions. A very precise conjecture has been formulated for elliptic curves by Birc and Swinnerton-Dyer and generalized to abelian varieties by Tate. The numerical evidence is quite encouraging. A weakened form of the conjectures has been verified for CM elliptic curves by Coates and Wiles, and recently strengthened by K. Rubin. But a general proof of the conjectures seems still to be a long way off. A few years ago, B. Mazur [26] proved a weak analog of these c- jectures. Let N be prime, and be a weight two newform for r 0 (N) . For a primitive Dirichlet character X of conductor prime to N, let i\ f (X) denote the algebraic part of L (f, X, 1) (see below). Mazur showed in [ 26] that the residue class of Af (X) modulo the Eisenstein ideal gives information about the arithmetic of Xo (N). There are two aspects to his work: congruence formulae for the values Af(X), and a descent argument. Mazur's congruence formulae were extended to r 1 (N), N prime, by S. Kamienny and the author [17], and in a paper which will appear shortly, Kamienny has generalized the descent argument to this case.

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