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Characterising the secant lines of Q(4, q), q even

Barwick, SG; Hui, AMW; Jackson, WA; Schillewaert, J

Hui, AMW (corresponding author), BNU HKBU United Int Coll, Stat Program, Zhuhai, Peoples R China.

JOURNAL OF COMBINATORIAL THEORY SERIES A, 2021; 182 ():

Abstract

We show that a set Aof lines in PG(4, q), qeven, is the set of secant lines of a parabolic (non-singular) quadric if and only if Asatisfies the follow......

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