Báo cáo toán học: "Permutations Which Avoid 1243 and 2143, Continued Fractions, and Chebyshev Polynomials"

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

33 p | 54 | 4

Báo cáo toán học: "Two new criteria for comparison in the Bruhat order"

4 p | 61 | 3