Apparently, this user prefers to keep an air of mystery about them.
8 Cliquewidth of Cographs + kv Aug 3 '10
6 Is the feedback vertex number bounded by the maximum number of leaves in a spanning tree? Jul 12 '10
5 Every connected planar graph contains adjacent vertices with at most 2 common neighbors Nov 18 '10
4 Decreasing the size of integers in a multiset while maintaining the total order on sums of subsets Feb 9 '11
4 Checking whether an element is in all inclusion-wise maximal common independent sets of two matroids May 7 '13
4 Large bicliques in r-partite graphs containing no independent sets having one vertex from each class Mar 26 '12
3 Software for Tree-Decompositions Jul 12 '10