(1) Department of Mathematics & Statistics, Queen’s University, Kingston, ON, Canada, K7L 3N6;(2) Max Planck Institute für Mathematik, Vivatsgasse 7, 53111, Bonn, Germany
Abstract:
We prove part of a conjecture of Borwein and Choi concerning an estimate on the square of the number of solutions to n=x2+Ny2 for a squarefree integer N.