Regularity of good even-characteristic pseudo-ovoids
Determine whether every good pseudo-ovoid in PG(4n − 1, q) for even q is regular.
References
Open problem 11. For q even, is every good pseudo-ovoid O of PG(4n − 1, q) regular?
— Arcs, Caps and Generalisations in a Finite Projective Space
(2503.06243 - Hirschfeld et al., 8 Mar 2025) in Open problem 11, Section 8.6, page 8