Apparently, this user prefers to keep an air of mystery about them.
18 Weird isomorphisms of infinite groups dec 24
10 Do we really need Choice to pick socks? nov 29
7 Physical meaning of norm of a matrix aug 11
6 Non Hausdorff complex manifold? oct 8
6 What series of 'hyperpolyhedrons' do exist? Is there an effective way to derive their cross-sections by 3-d subspace? aug 22