Reflections on the web

Some cool and useful ressources on the web

SageMath

• Coxeter Groups - Cathegory Framework

Visualizations

• The affine Weyl group - extensive webapp on Hecke algebra related objects (Joel Gibson)
• Spherical and affine buildings (Bram Bekker)
• Shadows and Bruhat intervals (Henri Nikoleit, Petra Schwer)
• Visualize Cayley graphs of your favourite groups