Abstract
We define Buekenhout unitals in derivable translation planes of dimension 2 over their kernel and provide a characterization of these unitals. We use this result to improve the characterization of classical unitals given by Lefèvre-Percsy [13] and Faina and Korchmáros [7].
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Barwick, S.G. A characterization of the classical unital. Geom Dedicata 52, 175–180 (1994). https://doi.org/10.1007/BF01263605
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DOI: https://doi.org/10.1007/BF01263605