Blocking sets of external, tangent and secant lines to a quadratic cone in PG(3, q)

Bart De Bruyn, Puspendu Pradhan, Bikramaditya Sahu. Blocking sets of external, tangent and secant lines to a quadratic cone in PG(3, q). Discrete Mathematics, 344(6):112352, 2021. [doi]

Abstract

Abstract is missing.