Apparently, this user prefers to keep an air of mystery about them.
9 Are there nontrivial involutions of $S^7\times S^7$ with fixed point set homeo to $S^7$? oct 6 '14
9 Is every orientable circle bundle principal? oct 6 '13
7 smooth manifolds as real algebraic set (continued) aug 30 '13
2 CW complex and group action oct 6 '13