The Length of the Element of Maximal Length in the Coxeter System of Type A_n,B_n/C_n and D_n

摘要

Let ω be the element of maximal length in a finite irreducible Coxetersystem(W,S).In the present paper,we get the length of ω when(W,S)is of typeA_n B_n/C_n or D_n.