Eine Übertragung der Formel von Gauss-Bonnet auf ebene Netze.
Feuilletages de -complexes
Finite group actions on acyclic -complexes
Framed Links for Pfeiffer Identities.
Free group automorphisms, invariant orderings and topological applications.
Generalised Swan modules and the D(2) problem.
Generalization of a theorem by V. Eberhard
Generating Closed 2-Cell Embeddings in the Torus and the Projective Plane.
Groups with no infinite perfect subgroups and aspherical 2-complexes.
Higher-dimensional categories with finite derivation type.
HKR-type invariants of 4-thickenings of 2-dimensional CW complexes.
Homeotopy groups of compact 2-manifolds
Homological and Topological Properties of Locally Indicable Groups.
Localization of group rings and applications to 2-complexes.
Minimal genus of abelian actions on Klein surfaces with boundary.
Nearly regular cell-decompositions of orientable 2-manifolds with at most two exceptional cells
Nonexistence of a weakly neighbourly polyhedral map of type .
Nonobtuse Triangulation of Polygons.
Nonpositive immersions, sectional curvature, and subgroup properties.
Nonpositively curved 2-complexes with isolated flats.