Asymptotic bit frequency in Fibonacci words
Jean-Luc Baril, Sergey Kirgizov, Vincent Vajnovszki
Forests and pattern-avoiding permutations modulo pure descents
Jean-Luc Baril, Sergey Kirgizov, Armen Petrossian
Equivalence classes of permutations modulo descents and left-to-right maxima
Jean-Luc Baril, Armen Petrossian