Combinatorics of simple marked mesh patterns in 132-avoiding permutations
HAL (Le Centre pour la Communication Scientifique Directe)(2013)
摘要
We present some combinatorial interpretations for coefficients appearing in series partitioning the permutations avoiding 132 along marked mesh patterns. We identify for patterns in which only one parameter is non zero the combinatorial family in bijection with 132-avoiding permutations and also preserving the statistic counted by the marked mesh pattern.
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关键词
Combinatorics,Hidden Markov Models,Mixture Models,Enumerative Combinatorics
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