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" α - n Rye%[e t ye%e W t dye%eR | - n e%eRuY ee y QW 2[e ye%eeQ|[ YQ 2[eR y[ _X - 1# Q '/ b n !-p n [ye%eRuYy[ 2[eR n WY[W% } _X - 1# u '/ s [ n [2![2 2p n Rye%[e ye%eeQyQW 2[e n Qu[ee } _X - 1# R '/ s Q n Q2!Q2 2p n ye%e Wye%eeQy QW 2[e n [YRQ } _X - 1# '/ sun [ t Q _X - 1# 22 W α 2p n dye%eeQyQW 2[e ye%eR | ee n Q QdQ% } '/ v\ w n b t s [2 _ - t s Q2 v\ w n WY[W% ye%eRuY|Q t Qu[eey a e%eRuY t t [YRQ y a e%eR a e%eRuY t Q QdQ% y a e%eRuY a e%eQu n WY[W% y _ QduW% } Wy 12 & ( _X - 1# [ '/ ! !/+ ( $ % ! * + !& n [ ' ( _X - 1# [W + '/ & !e n e%QQ ! n e%QQ n e%[ |e%QQ n e%Wuuu + + ( $ β n '/ t _-t n e%[e t e%QQ |Q n e%[ _X - 1# -n _ - t s u2 − t )n + e%e u + _X - 1# [e b [ n β !-p n e%Wuuy[ye%e u y[ 2[eR n eY[[%R } _X - 1# [[ b Q n ! - _ p n [y e%e u a e%eR y[ 2[eR n [[ Q _X - 1# [[x b [ n [2![2 2p n Rye%[e ye%eeQyQW 2[e n Qu[ee } _X - 1# [Q b Q n Q2!Q2 2p n ye%e Wye%eeQyQW 2[e n [YRQ } _X - 1# [u bun [ t Q 22 α 2p n dye%eeQyQW 2[e ye%eR | _X - 1# [R s& n p&f& n Que2[e y [%dY2[e_R n R _ X - # [Y '/ v\ w n b [ t b Q − } e n Q QdQ% } R } t b [2- t b Q2 - _ tbu -_ v\ w n eY[[%Rye%e u |Q t [[ Q y e%e u a e%eR |Q t Yu t s& _- t Qu[eeye%e u t [YRQ y e%e u a e%eR t Q QdQ% y e%e u a e%eQu t t R Ry a e%eQ v\ w n uW t R Ry } [Yy yyyyyyyyyyyyyyyyyyyyyyyyyyyyyy D 12 ()* c2 †$ G _X - 1# Q '/ − -x n − t ! 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