Ngày tải lên :
08/08/2014, 12:22
... 2 14 35 , 31 4 25, 4 13 25, 51 32 4, 1 2 53 4, 2 1 53 4, 3 152 4, 4 152 3, 51 4 23, 1 34 25, 2 34 15, 32 4 15, 4 23 15, 52 31 4, 1 35 2 4, 2 35 1 4, 3 251 4, 4 251 3, 52 4 13, 1 45 2 3, 2 45 1 3, 3 45 1 2, 4 35 1 2, 53 41 2}, DI = {2 14 35 , 2 1 53 4, 31 4 25, ... 31 4 25, 3 152 4, 32 4 15, 3 251 4, 4 13 25, 4 152 3, 4 23 15, 4 251 3, 4 35 1 2, 51 32 4, 51 4 23, 52 31 4, 52 4 13, 53 41 2} D I the electronic journal of combinatorics 17 (2010), #R 34 Recall that the algebra Sym of noncommutative ... permutation σ= 5 ∈ S5 , or in our notations σ = 2 53 41 , has the descent indices 2, 4; the major index = + 4; the inversion index 5; the right-maximal indices 5, 4, 2; the right-maximal values 1, 4, 5; ...