RIFFLE SHUFFLES, CYCLES, AND DESCENTS

被引:49
作者
DIACONIS, P
MCGRATH, M
PITMAN, J
机构
[1] HARVARD UNIV,DEPT MATH,CAMBRIDGE,MA 02138
[2] UNIV CALIF BERKELEY,DEPT STAT,BERKELEY,CA 94720
关键词
Mathematics Subject Classification (1991): 05A15; 60C05;
D O I
10.1007/BF01294457
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We derive closed form expressions and limiting formulae for a variety of functions of a permutation resulting from repeated riffle shuffles. The results allow new formulae and approximations for the number of permutations in S-n with given cycle type and number of descents. The theorems are derived from a bijection discovered by Gessel. A self-contained proof of Gessel's result is given.
引用
收藏
页码:11 / 29
页数:19
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