New 2-critical Sets in the Abelian 2-Group

Carlo Hamalainen1
1Centre for Discrete Mathematics and Computing Department of Mathematics The University of Queensland Queensland 4072, Australia

Abstract

In this paper we determine a class of critical sets in the abelian \(2\)-group that may be obtained from a greedy algorithm. These new critical sets are all \(2\)-critical (each entry intersects an intercalate, a trade of size \(4\)) and complete in a top-down manner.