Pencilled regular parallelisms

Preprint English OPEN
Havlicek, Hans ; Riesinger, Rolf (2017)
  • Subject: Mathematics - Rings and Algebras | 51A15, 51M30 | Mathematics - Algebraic Geometry
    arxiv: Mathematics::Algebraic Geometry

Over any field $\mathbb K$, there is a bijection between regular spreads of the projective space ${\rm PG}(3,{\mathbb K})$ and $0$-secant lines of the Klein quadric in ${\rm PG}(5,{\mathbb K})$. Under this bijection, regular parallelisms of ${\rm PG}(3,{\mathbb K})$ cor... View more
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