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Tag Archives: homogeneity
Partition homogeneity
This post discusses a paper by Jorge André, João Araújo and me, which has just been accepted for the Journal of Algebra. There is a slight tangle to the history of this paper, which I want to describe. First a … Continue reading
Posted in exposition, history
Tagged homogeneity, partitions, semigroups, symmetric groups, transitivity
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A permutation group challenge
Long ago, in the distant past before the Classification of Finite Simple Groups, Peter Neumann, Jan Saxl and I investigated the class of permutation groups acting on sets of even cardinality n = 2k, with the following interchange property: Any subset of … Continue reading
Posted in exposition, open problems
Tagged CFSG, homogeneity, permutation groups, semigroups
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