首页|An Involution over Dyck Paths Related with Stirling Statistics
An Involution over Dyck Paths Related with Stirling Statistics
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We construct an involution over Dyck paths,which implies the distribution of s-tatistics"the number of peak","the number of returns"and"the height of the last peak".As an application,equidistributions of several Stirling statistics over 132-avoiding and 321-avoiding permutations are presented.
involutionsDyck pathspatternpeakreturns
Peng CAO、Joanna N.CHEN
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College of Science,Tianjin University of Technology,Tianjin 300384,P.R.China
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