Apparently, this user prefers to keep an air of mystery about them.
15 Is there a theory of exception hierarchies? Oct 14 '13
5 What is the maximum number of classes resulting from partitioning by DFA as function of number of states? Oct 1 '15
5 How is non-ambuiguity different from determinism? Sep 24 '13
4 Alternative graph data structures Oct 5 '15