Professor, Geometry

Spectral graph theory, Geometric group theory, discrete geometry, hyperbolic geometry, combinational and synthetic curvature notions, Cayley graphs, expanders, (higher order) Cheeger isoperimetric constants and spectral clustering, polygonal complexes and buildings, random walks, and heat kernels.

Tel: 0191 33 43114

Email: norbert.peyerimhoff@durham.ac.uk

Website: http://www.maths.dur.ac.uk/~dma0np/