2 search results - page 1 / 1 » Properties for a Certain Family of Knot Diagrams |
ARSCOM
2005
13 years 5 months ago
2005
JCT
2010
13 years 3 months ago
2010
Abstract. We present bijections between four classes of combinatorial objects. Two of them, the class of unlabeled (2 + 2)-free posets and a certain class of involutions (or chord ...