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Equidistributions around special kinds of descents and excedances
Bin Han, Jianxi Mao, Jiang Zeng
Combinatorics
statistics, permutation, combinatorics, bijection
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Motzkin paths with a restricted first return decomposition
Sergey Kirgizov, Jean-Luc Baril, Armen Petrossian
Discrete mathematics
enumeration, Dyck and Motzkin paths, first return decomposition, statistics, height, peak
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Dyck paths with a first return decomposition constrained by height
Sergey Kirgizov, Jean-Luc Baril, Armen Petrossian
Discrete mathematics
enumeration, Dyck and Motzkin paths, first return decomposition, statistics, height, peak