Apparently, this user prefers to keep an air of mystery about them.
9 Showing that a CW space is contractible if it is endowed with a certain binary operation Jul 17 '12
5 Proving that the join of a path-connected space with an arbitrary space is simply-connected Aug 27 '12
3 Modules which are not free Aug 30 '12
2 Coherent Sheaves on Projective Space Jul 13 '12