Apparently, this user prefers to keep an air of mystery about them.
3 In hyperbolic 3-orbifold with totally geodesic boundary case, is it true: rank(the fundamental group of boundary M)< or equal 2 rank(fundmental group of M)? oct 5 '11
2 Lefschetz duality for twist coefficient dec 1 '12
1 Will the rank of fundemantal 3 manifold be decreased is I module the n(n>1) times of a element? oct 5 '11