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Journal of the Ramanujan Mathematical Society

Volume 29, Issue 3, September 2014  pp. 307–319.

Generators for congruent number curves of ranks at least two and three

Authors:  Yasutsugu Fujita
Author institution:College of Industrial Technology, Nihon University, 2-11-1 Shin-ei, Narashino, Chiba 275--8576, Japan

Summary:  In this paper, we study generators for the Mordell-Weil groups EN(Q) of congruent number curves EN defined by y2=x3-N2x for positive integers N. In fact, we give generators for the rank two and three parts of EN(Q) for infinitely many integers N.


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