Coeuklidische Hjelmslevgruppen. (On co-Euclidean Hjelmslev groups)
A 3-dimensional metric vector space V over a field of characteristic \(\neq 2\) defines a reflection geometry in the sense of F. Bachmann, i.e., a geometry of line reflections in an orthogonal group. The case \(Ind V=0,\) \(\dim rad V=1\) is dealt with in this paper. It is treated as one out of four possible geometries which are all covered by a general characterization of co-Euclidean Hjelmslev groups.
scientific article; zbMATH DE number 4092232