Báo cáo toán học: "Permutations generated by a stack of depth 2 and an infinite stack in series"

Báo cáo toán học: "Generating functions for permutations which contain a given descent set"

33 p | 56 | 4

Báo cáo toán hoc:"Generating functions for the number of permutations with limited displacement."

11 p | 69 | 3