Guy Terjanian

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Guy Terjanian is a French mathematician who has worked on algebraic number theory. He achieved his Ph.D under Claude Chevalley in 1966,^[1] and at that time published a counterexample^[2] to the original form of a conjecture of Emil Artin, which suitably modified had just been proved as the Ax-Kochen theorem.

In 1977, he proved that if p is an odd prime number, and the natural numbers x, y and z satisfy x^2p + y^2p = z^2p, then 2p must divide x or y.^[3]

[edit] See also

• Ax–Kochen theorem

[edit] References

1. ^ The Mathematics Genealogy Project: a service of the Department of Mathematics, North Dakota State University
2. ^ Guy Terjanian, Un contre-example à une conjecture d'Artin, C. R. Acad. Sci. Paris Sér. A-B, 262, A612, (1966)
3. ^ G. Terjanian, `Sur l'equation. x. 2. p. +. y. 2. p. =. z. 2. p. ',. CR. Acad. Sc. Paris. ,. 285. (1977), 973-975.

[edit] Further reading

• math.unicaen.fr article Topic: Arithmetic & geometry