2 papers
math.CO2022
The -avoiding -Generalized Motzkin paths with vertical steps: bijections and statistic enumerations
Yidong Sun, Weichen Wang, Cheng Sun
A generalized Motzkin path, called G-Motzkin path for short, of length is a lattice path from to in the first quadrant of the XOY-plane that consists of up st…
math.CO2022
Some statistics on generalized Motzkin paths with vertical steps
Yidong Sun, Di Zhao, Wenle Shi +1
Recently, several authors have considered lattice paths with various steps, including vertical steps permitted. In this paper, we consider a kind of generalized Motzkin paths, call…