2007/06/30 by K. Rubin, A. Silverberg · 1 citation
Mathematics · #math.NT #msc:11G05 #msc:11G15 #msc:11G20
paper · pdf · doi:10.1016/j.jnt.2009.01.020
Minor corrections. To appear in Journal of Number Theory
arxiv created 2009/08/06 · arxiv updated 2009/12/01
We give explicit formulas for the number of points on reductions of elliptic curves with complex multiplication by any imaginary quadratic field. We also find models for CM Q-curves in certain cases. This generalizes earlier results of Gross, Stark, and others.