Apparently, this user prefers to keep an air of mystery about them.
5 How do I find partners for study? jul 5 '13
4 Prove: If in all subgraphs of $G$ there is a vertex of degree $<2$ then $G$ is a forest jun 19 '13
3 Confusing Trigonometry Problem jun 19 '13
2 Surface area element of an ellipsoid jul 15 '13
1 Euler-Angle convention may 28
1 Prove question $(A\setminus B) \cup (B\setminus C) = A\setminus C$ , $ (A\setminus B)\setminus C= A\setminus(B\cup C)$ jul 6 '13