What my colleagues think I do: category theory. What my friends think I do: calculus. What I think I do: algebraic topology. What I really do: linear algebra.
19 Cobordism of orbifolds? dec 5 '12
17 Simply connected CW-complex with only finitely many nontrivial homotopy and homology groups may 24
15 What are examples when the equality of some invariants is good enough in algebraic topology? sep 18
12 Topological type of Brieskorn manifolds mar 2 '14
11 Pullback map in homology dec 8 '12