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arxiv: 1203.2576 · v1 · pith:OXUVCCNYnew · submitted 2012-03-12 · 🧮 math.NT

Biquadrates and Elliptic Curves

classification 🧮 math.NT
keywords ellipticleastrankbiquadratescurvecurvesdifferentfourth
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The elliptic curve y^2= x^3-Nx where N=m^4+n^4 has rank at least 2 over Q(m,n). When N can be written in two different ways as sum of two fourth powers, then we prove that the rank is at least 4.

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