Finding n such that every transitive permutation group of degree n is multiplicity-free

Mitsugu Hirasaka

Department of Mathematics, Pusan National University, Pusan, Korea

Department of Mathematics, Pusan National University, Pusan, Korea

2009/5/1 Friday 4PM-5PM

This is a joint work with Cai-Heng Li. Let denote the set of positive integers n such that each transitive action of degree n is multiplicity-free, and denote the set of such that n=pq for some primes p, q with and where its proof owes much to classification of finite simple groups.

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