International Journal of Mathematics and Mathematical Sciences
Volume 26 (2001), Issue 4, Pages 193-197
doi:10.1155/S0161171201005804
Abstract
We prove that the group S3 (norm 1 quaternions) cannot be a geometric realization of a crossed simplicial group and construct an exact sequence connecting S3-equivariant homology of an S3-space with its Pin(2)-equivariant homology.