Research Active areas of research in the group include: geometric group theory; algebraic topology; low-dimensional topology; topological quantum field theory; and K-theory. Seminars Video
Classes Past topics of the topology advanced class, the Poincaré seminar, or graduate lecture courses include: - The 4-dimensional light bulb theorem
- Factorisation homology
- Simplicial homotopy theory
- L^2 Betti numbers
- Topology of 4-manifolds
- Functor calculus
- Surface subgroups
- Configuration spaces
- Cobordism theory: old and new
- Finiteness properties of discrete groups
- Surgery theory
- Arc-presentations of links
- The Nilpotence Theorem in stable homotopy
- Elliptic cohomology
- Operads and the Deligne conjecture
- Cohomology of groups
- Classics in algebraic topology
- Quantum invariants in low-dimensional topology
- Introduction to spectral sequences
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