Verschiedene Diskretheitsbegriffe in metrischen Räumen. (Different notions of discreteness in metric spaces.)
For a given transformation group in Euclidean geometry there are several discreteness conditions such as finiteness of all orbits, local finiteness of all orbits, and isolation of points in their orbits. The author investigates the relation between discreteness conditions.
scientific article; zbMATH DE number 4155323