|Pseudo-simplicial groups and moduli spaces of surfaces|
Abstract: A simplicial set G = G_0, G_1, .... is called a pseudo-simplicial group, if all G_n are groups. Furthermore, we want to assume that these groups have a norm, not increased by the face maps. The geometric realization of G is then a filtered space and we want to study its strata in certain cases: it turns out that for the symmetric groups resp. their wreath products with Z/2 these strata decompose into modli spaces of orientable resp. non-orientable surfaces.
|Web page: Alexandru I. Suciu||Posted: November 6, 2008|
|Comments to: firstname.lastname@example.org||URL: http://www.math.neu.edu/bhmn/boedigheimer08.html|