The Absence of a Pattern and the Occurrences of Another, Discrete Mathematics and Theoretical Computer Science, vol.14, issue.2, 2010. ,
Surprising symmetries in Objects Counted by Catalan Numbers, Electronic Journal of Combinatorics, vol.19, issue.1, p.62, 2012. ,
Equipopularity classes of 132-avoiding permutations, The Electronic Journal of Combinatorics, vol.21, issue.1, 2014. ,
Combinatorial problems I like ,
Expected Patterns in Permutation Classes, Electronic Journal of Combinatorics, vol.19, issue.3 ,
Pattern Popularity in 132-avoiding Permutations, The Electronic Journal of Combinatorics, vol.20, issue.1, p.8, 2013. ,