Apparently, this user prefers to keep an air of mystery about them.
10 What is the complexity of this path problem? feb 17 '14
7 Is there an efficient algorithm for finding edges that are part of all hamiltonian paths? jan 3 '14
4 Variants of Densest Subgraph Problems dec 27 '13
2 A variant of linear programming jan 31 '14
2 Can a natural graph problem be universally hard? feb 27 '14