I like low-dimensional topology and geometric group theory. I'm particularly drawn to problems that involve algebraic spaces of graphs, such as graph homology.
Check out my mathematical blog, IHX.
25 What makes four dimensions special? nov 28 '10
23 Why are there no wild arcs in the plane? mar 8 '11
19 Utility of virtual knot theory? dec 1 '10
15 Reference request: The first cohomology of SL(2,Z) with coefficients in homogeneous polynomials nov 5 '10
14 Ordinal-indexed homology theory? feb 12 '11