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cs.DM2016
Patterns in treeshelves
Jean-Luc Baril, Sergey Kirgizov, Vincent Vajnovszki
We study the distribution and the popularity of left children on sets of treeshelves avoiding a pattern of size three. (Treeshelves are ordered binary increasing trees where every…
cs.DM2016
A permutation code preserving a double Eulerian bistatistic
Jean-Luc Baril, Vincent Vajnovszki
Visontai conjectured in 2013 that the joint distribution of ascent and distinct nonzero value numbers on the set of subexcedant sequences is the same as that of descent and inverse…