Apparently, this user prefers to keep an air of mystery about them.
3 Prove the edges of a multigraph may be oriented such that the net-degree of any vertex is $\leq 1$. May 19 '13
2 Size of maximum matching in bipartite graph Jul 6 '13
1 Folland 2.36 portion of proof Jan 5 '15
1 Proving a statement about $k$-colouring of a graph May 19 '13