Every special set of the Hermitian surface $\mathsf{H}(3,q^2)$ is classical

John Bamberg, Ethan Kealley

Special sets of the Hermitian surface $\mathsf{H}(3,q^2)$, $q$ odd, were introduced by Shult and Thas (1995) in order to construct new finite generalised quadrangles, yet only one…