Apparently, this user prefers to keep an air of mystery about them.
4 Show that two states in the same communicating class of a Markov chain must have the same period feb 22 '12
4 How many points of intersection? jun 29 '12
1 Solving a recurrence related to tree counting feb 10 '12
1 Necessary condition for any two vertices to share at least one common neighbor in a graph [duplicate] feb 13 '12
1 A confusing contradiction in Menger's theorem oct 23 '11
-2 Set Theory Notation jun 3 '11