Apparently, this user prefers to keep an air of mystery about them.
12 Negation of if and only if? nov 15 '10
7 False beliefs in mathematics (conceptual errors made despite, or because of, mathematical education) oct 28 '10
4 What are the subgroups of a semidirect product? sep 21 '10
2 How to transform a second degree differential equation into two first degree linear equations? nov 1 '10
1 Strange Case in Self-Complementary Planarity oct 24 '10