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arxiv: math/0401239 · v1 · submitted 2004-01-19 · 🧮 math.CO · math.GR

Difference Methods and Ferrero Pairs

classification 🧮 math.CO math.GR
keywords bib-designsdifferencegroupautomorphismsconceptconstructionconstructionsfamily
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We present a construction method of BIB-designs from a finite group G and a group of automorphisms \Phi on G such that |\Phi(x)| = |\Phi| for all x in G, x <> 0. By using a generalization of the concept of a difference family we can so unify several previous constructions of BIB-designs from planar near-rings.

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