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math.CO2018
Pattern Avoidance of Generalized Permutations
Zhousheng Mei, Suijie Wang
In this paper, we study pattern avoidances of generalized permutations and show that the number of all generalized permutations avoiding is independent of the choice of $π\in S…
math.CO2018
Parallel Translates of Represented Matroids
Beifang Chen, Houshan Fu, Suijie Wang
Given an -represented matroid with the ground set , the representation naturally defines a hyperplane arrangement . We will study its paral…