Théophile Pépin
Jean François Théophile Pépin (14 May 1826 – 3 April 1904) was a French mathematician.
Born in
at the age of 77.His work centred on
Frénicle de Bessy
's problem
- x2 + y2 = z2, x2 = u2 + v2, x − y = u − v.
He also gave his name to Pépin's test, a test of primality for Fermat numbers.
References
- ^ Pepin T (1876). "Impossibilité de l'équation x7 + y7 + z7 = 0". C. R. Acad. Sci. Paris. 82: 676–679, 743–747.
- ^ Pepin T (1880). "Solution d'un Problème de Frenicle Sur Deux Triangles Rectangles". Atti Accad. Pont. Nuovi Lincei. 33: 284–289.
Bibliography
- Franz Lemmermeyer. "A Note on Pépin's counter examples to the Hasse principle for curves of genus 1." Abh. Math. Sem. Hamburg 69 (1999), 335–345.