A short proof is given for the following theorem: A unital in $PG(2,q)$ is classical if and only if it is preserved by a cyclic linear collineation group of order $q-\sqrt{q}+1$.
A characterisation of classical unitals
GIUZZI, Luca
2002-01-01
Abstract
A short proof is given for the following theorem: A unital in $PG(2,q)$ is classical if and only if it is preserved by a cyclic linear collineation group of order $q-\sqrt{q}+1$.File in questo prodotto:
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