Preprint No.
A-02-11
Sabine Giese, Hans Havlicek, Ralph-Hardo Schulz
Some constructions of divisible designs from Laguerre geometries
Abstract:
In the nineties, A.G. Spera introduced a construction principle for
divisible designs. Using this method we get series of divisible designs from
finite Laguerre geometries. We show a close connection between these
divisible designs and divisible designs whose construction started from a
conic in a plane of a 3-dimensional projective space.
Keywords: divisible designs, Laguerre geometries, dual numbers,
conics, permutation groups
Mathematics Subject Classification (MSC2000): 05B30, 51B15, 51E20
Language: ENG
Available: Pr-A-02-11.ps
Contact: Ralph-Hardo Schulz, Freie Universität Berlin, Fachbereich Mathematik und Informatik, Arnimallee 2-6, D-14195 Berlin, Germany (schulz@math.fu-berlin.de)
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