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Alternative proofs of three theorems of Chetwynd and Hilton

H. P. Yap1, Z. X. Song1
1 Department of Mathematics National University of Singapore 10 Kent Ridge Crescent Singapore, 119260

Abstract

In this paper we give alternative and shorter proofs of three theorems of Chetwynd and Hilton. All these three theorems have been widely used in many research papers.