p_{i}:= 

, r_{i} := h_{i} p_{i}. 
Pr[A_{i}^{*}=0]  = 1p_{i},  
Pr[A_{i}^{*}>xA_{i}^{*}>0] 


V_{t} 

V := 

(W[t]ct). 


n_{0} := inf{n³0nh+(Nn)r>c}. 
Pr[V>x] 



V_{i}:= 

(  W_{i}[t]r(1+e)t  )  , 
Pr  [V> x] £ 


Pr 
é ê ê ë 
V_{i}> 

ù ú ú û 
. 
Pr[A_{in}>x]  =O(x^{s}),  1£ i£ N_{0},  
Pr[A_{in}>x] 

N_{0}< i£ N. 
This document was translated from L^{A}T_{E}X by H^{E}V^{E}A.