Apparently, this user prefers to keep an air of mystery about them.
30 are there natural examples of classical mechanics that happens on a symplectic manifold that isn't a cotangent bundle? Nov 9 '13
5 proving the injectivity half of de Rham's theorem by construction in degrees other than $1$ and $n$ Mar 13 '15
2 quantifier order in monadic first-order logic Nov 13 '11