2 papers
math.MG2022
On 2-transitive sets of equiangular lines
Ulrich Dempwolff, William M. Kantor
All finite sets of equiangular lines spanning finite-dimensional unitary spaces are determined for which the action on the lines of the set-stabilizer in the unitary group is 2-tra…
math.CO2013
Orthogonal Dual Hyperovals, Symplectic Spreads and Orthogonal Spreads
Ulrich Dempwolff, William M. Kantor
Orthogonal spreads in orthogonal spaces of type produce large numbers of rank dual hyperovals in orthogonal spaces of type . The construction resembles…