Higher complements of combinatorial sphere arrangements

Higher complements of combinatorial sphere arrangements Higher complements of combinatorial sphere arrangements Clemens Berger University of Nice Combinatorial Structures in Algebra and Topology Osnabruck, October 8, 2009 Nice, October 15, 2009

• coxeter arrangement


• oriented matroids


• acts simply


• arrangement


• topology osnabruck


• ??a h?


• higher complements


• euclidean space