20 citations · 88 across the 33 of their papers we have counts for
Showing 2011Show all
2 papers · 1 filter
math.CO2011
The algebraic combinatorics of snakes
Matthieu Josuat-Vergès, Jean-Christophe Novelli, Jean-Yves Thibon
Snakes are analogues of alternating permutations defined for any Coxeter group. We study these objects from the point of view of combinatorial Hopf algebras, such as noncommutative…
math.CO2011
Touchard-Riordan formulas, T-fractions, and Jacobi's triple product identity
Matthieu Josuat-Vergès, Jang Soo Kim
Touchard-Riordan-like formulas are some expressions appearing in enumeration problems and as moments of orthogonal polynomials. We begin this article with a new combinatorial appro…