Hermitian unitals are code words
Discrete Mathematics - Special volume: Designs and Graphs
Designs and their codes
Finite geometries
Transitive ovoids of the Hermitian surface of PG(3, q2), q even
Journal of Combinatorial Theory Series A
A group theoretic characterization of classical unitals
Journal of Algebraic Combinatorics: An International Journal
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We show that a suitable 2-dimensional linear system of Hermitian curves of iPG(2,iq2) defines a model for the Desarguesian plane iPG(2,iq). Using this model we give the following group-theoretic characterization of the classical unitals. A unital in iPG(2,iq2) is classical if and only if it is fixed by a linear collineation group of order 6(iq + 1)2 that fixes no point or line in iPG(2,iq2).