Mathematics – Number Theory
Scientific paper
2009-03-26
Math. Slovaca 59, no. 3, 299-306 (2009)
Mathematics
Number Theory
To appear in Math. Slovaca
Scientific paper
10.2478/s12175-009-0126-3
Given any positive integer n, we prove the existence of infinitely many right triangles with area n and side lengths in certain number fields. This generalizes the famous congruent number problem. The proof allows the explicit construction of these triangles; for this purpose we find for any positive integer n an explicit cubic number field Q(\lambda) (depending on n) and an explicit point P_\lambda of infinite order in the Mordell-Weil group of the elliptic curve Y^2=X^3-n^2*X over Q(\lambda).
Girondo Ernesto
Gonzalez-Diez Gabino
Gonzalez-Jimenez Enrique
Steuding Jörn
Steuding Rasa
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