On the congruence of n modulo Euler's function φ(n)

__AHMET
MUHTAR GULOGLU__

(Bilkent
University)

__Abstract:__

D.H.Lehmer was first to raise the question of whether φ(n) divides n-1 for
any composite integer n, where φ is Euler's function. In this talk, we show that the number of
such integers n≤x is o√x as
x―∞.

Date : October 15, 2008 (Wednesday)

Time : 15.40

Place: Mathematics Seminar Room SA141

__Tea
will be served before the seminar. __