Parallelisms of $\mathrm{PG}(3,\mathbb{R})$ admitting a 3-dimensional group

Rainer Löwen

Betten and Riesinger constructed Parallelisms of $\mathrm{PG}(3,\mathbb{R})$ with automorphism group $\mathrm{SO}(3,\mathbb{R})$ by applying the reducible $\mathop{\rm SO}(3,…