Contact and group

Research

Project overview
Tangles in abstract separation systems
Graph minors, tree-structure and connectivity
Topological infinite graph theory
Infinite graphs (general)
Infinite matroids

Lehre

AG – Forschungsseminar
Graphentheorie II
Veranstaltungen der Diskreten Mathematik

Prüfungen bei mir
Tipps für Seminarvorträge
Tipps zur Studienplanung

Books

Graph Theory
Graphentheorie
Graph Decompositions
Infinite graphs surveys

Papers

Recent papers
All my papers by field

Some thoughts on copyright

Biographical information