4 citations · 4 across the 2 of their papers we have counts for
2 papers
math.AG2017★ 4 cited
Pencilled regular parallelisms
Hans Havlicek, Rolf Riesinger
Over any field , there is a bijection between regular spreads of the projective space and -secant lines of the Klein quadric in ${\rm PG}(5,…
math.AG2013
The Betten-Walker spread and Cayley's ruled cubic surface
Hans Havlicek, Rolf Riesinger
We establish that, over certain ground fields, the set of osculating tangents of Cayley's ruled cubic surface gives rise to a (maximal partial) spread which is also a dual (maximal…