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arxiv: 1107.3909 · v1 · pith:WD23UOYDnew · submitted 2011-07-20 · 🧮 math.CO

Generalised quadrangles with a group of automorphisms acting primitively on points and lines

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keywords actingautomorphismsgeneralisedgrouplinespointsprimitivelythen
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We show that if G is a group of automorphisms of a thick finite generalised quadrangle Q acting primitively on both the points and lines of Q, then G is almost simple. Moreover, if G is also flag-transitive then G is of Lie type.

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