Free groups and graphs.- 2-Dimensional complexes and combinatorial presentations of groups.- Surfaces.- Planar discontinuous groups.- Automorphisms of planar groups.- On the complex analytic theory of riemann surfaces and planar discontinuous groups.- On the topological theory of surfaces.
Elmar Vogt unterrichtet Mathematik an der FU Berlin. Das Forschungsgebiet von Elmar Vogt ist die Geometrische Topologie.