The orbit space of the p -subgroup complex is contractible

P. Symonds
1998 Commentarii Mathematici Helvetici  
We show that the quotient space of the p-subgroup complex of a finite group by the action of the group is contractible. This was conjectured by Webb. Mathematics Subject Classification (1991). 20D30, 20J05, 57S17.
doi:10.1007/s000140050061 fatcat:pz7ubk76sjblncplccg3i2254y