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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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- Publisher:Birkhauser Boston
- Publication Date:06/12/2012
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- ISBN:9781468491654
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Download Now
- Format:PDF
- Publisher:Birkhauser Boston
- Publication Date:06/12/2012
- Category:
- ISBN:9781468491654