A Buekenhout-Tits unital is defined to be a unital in PG(2, q2) obtained by coning the Tits ovoid using Buekenhout's parabolic method. The full linear collineation group stabilizing this unital is computed, and related design questions are also addressed. While the answers to the design questions are very similar to those obtained for Buekenhout-Metz unitals, the group theoretic results are quite different
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Univ Canterbury, Sch Math & Stat, Private Bag 4800, Christchurch 8140, New ZealandUniv Canterbury, Sch Math & Stat, Private Bag 4800, Christchurch 8140, New Zealand