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K 2 and L-functions of elliptic curves. Computer calculations. (English) Zbl 0629.14002
Applications of algebraic K-theory to algebraic geometry and number theory, Proc. AMS-ISM-SIAM Joint Summer Res. Conf., Boulder/Colo. 1983, Part I, Contemp. Math. 55, 79-88 (1986).

[For the entire collection see Zbl 0588.00014.]

The paper concerns some computer calculations done by Grayson in the fall of 1981 to compare the value of the regulator on K 2 of an elliptic curve with the value of the L-function at s=2. All curves on the Swinnerton-Dyer table [see “Modular functions of one Variable. IV” Proc. Internat. Summer School 1972, Univ. Antwerp, RUCA, Lect. Notes Math. 476 (1975; Zbl 0315.14014)] with Weil conductor 180, negative discriminant, and a rational torsion point of order 5 were considered. These computations are explained by a modified form of a conjecture advanced by Bloch and Beilinson. They provide evidence for a lot of exotic relations between special values of Eisenstein-Kronecker- Lerch series and values of Hasse-Weil L-functions for elliptic curves without complex multiplication.

Reviewer: Ş.A.Basarab

14-04Machine computation, programs (algebraic geometry)
14C35Applications of methods of algebraic K-theory
14G10Zeta-functions and related questions
14H45Special curves and curves of low genus
14H52Elliptic curves