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COLLINEATION GROUPS PRESERVING A UNITAL IN A PROJECTIVE PLANE OF ORDER m2 WITH m ≡ 1(4)

Published online by Cambridge University Press:  01 October 1999

MAURO BILIOTTI
MAURO BILIOTTI
Affiliation:
Dipartimento di Matematica, Università di Lecce, Via Arnesano, 73100 Lecce, Italy; Biliotti@ilenic.unile.it
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Abstract

The structure of a collineation group G preserving a unital in a projective plane of order m2 with m ≡ 1(4) is investigated and several results are obtained about G, when G is a 2-group. These results are then used to investigate the structure of G/O(G) in the general case and, in particular, that of F*(G/O(G)).

Information

Type
Notes and Papers
Information
Journal of the London Mathematical Society , Volume 60 , Issue 2 , October 1999 , pp. 589 - 606
Copyright
The London Mathematical Society 1999

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