Combinatorics of geometrically distributed random variables: Left-to-right maxima

被引:48
|
作者
Prodinger, H [1 ]
机构
[1] VIENNA TECH UNIV,DEPT ALGEBRA & DISCRETE MATH,A-1040 VIENNA,AUSTRIA
关键词
D O I
10.1016/0012-365X(95)00141-I
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
Assume that the numbers x(1),..., x(n) are the output of n independent geometrically distributed random variables. The number x(i) is a left-to-right maximum if it is greater (or equal, for a variation) than x(1),..., x(i-1). A precise average case analysis is performed for the parameter number of left-to-right maxima'. The methods include generating functions and a technique from complex analysis, called Rice's method. Some additional results are also given.
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页码:253 / 270
页数:18
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