Séminaire Lotharingien de Combinatoire
Issue 68
March 25 - 28, 2012, Domaine Saint-Jacques, Ottrott
Preface
[B68a]
Sergey Kitaev and Jeffrey Remmel
Quadrant Marked Mesh Patterns in Alternating Permutations
(20 pp.)
[B68b]
Filippo Disanto
Unbalanced Subtrees in Binary Rooted Ordered and Un-ordered Trees
(14 pp.)
[B68c]
Gérard H. E. Duchamp, Nguyen Hoang-Nghia and Adrian Tanasa
A Word Hopf Algebra Based on the Selection/Quotient Principle
(13 pp.)