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!" !#$%&'( p+ p p p+ + p+ p ! " p+ " p+ #$%&''&()*(+*(* ,% p p+ + - p " " " p p p p p + + + + #.*(+*(*/$%01%01" % ! " ! " 2 ! " ! p p p p p p p p p + + + + + + + + .,34$56789: !" ; " ! < = " ! < = % # .*(+*(*/$%01 ,% 1- p # 6$>%,?@AAB$%"%01C% ! " " 2"" " 2 !2 2 2 2 ! ! " p p p p p p p p p + + + + + + + + + D() #.*(+*(*/$%%"'' % ! " " 2"" " 2 !2 2 2 2 ! ! " p p p p p p p p p + + + + + + + + + .,34$56789: !" ! < = % < = % % ! < = % %" ! # .*(+*(*/$%%1E+,! % ! ! " !" "" " 22 " ! " p p p p p p p p p p p − + + + + + + + + + + + # D() FD %01,% FGHB$?IG FD ')*+",+ /!0-$ DJGHB$?J%K FD B p A p DLGHB$?,LMH()BNB()1*BM(O7P1 P1 D0I91()(QRB&;L 1*BM(O 7P1 S DB'(J .,34$56789: !" < = % ! %" # " 2 ! ! # " " 2 ! " 22 1 - " 1 - 21 -21 - 1 - ! 1 -! 1 - ! 1 -"" 1 - ! 1 - ! 1 - 2 1 -1 - 1 - 1 - 1 - 1 -!!" 1 - 1 -"2 1 -" # " 2 ! " ! 1 - 2 1 -1 - 1 - 1 - 1 - 1 - !!" 1 - 1 -"2 1 -" ! 2 " ! 2 " ! 2 " ! 2 " ! 2 " < = % %" ! − 2 !!!" 2"2 " " " #TUV(QW'3XB& -(?/YZE1*BM(O7 [%*() \H] -(?/(BQ(QRB&(?%* DJ S ^WS!"2! "! 2 " _`\H] S2 ^WS22!2 " 2 _`\H] .,34$56789: !" " ! 2 " ! 2 " ! 2 " ! 2 " ! 2 " ! 2 " ! 2 " ! 2 " ! 2 " ! 2 S ^WS 2""2 """ _`\H] S! ^WS!!2 !2!2 ! _`\H] S ^WS2 "22 ! _`\H] S ^WS2!2!2!! _`\H] S" .,34$56789: !" ! 2 " ! 2 " ! 2 " ! 2 " ! 2 " ! 2 " ! 2 " ! ! 2 " ! 2 " ! " ! 2 " ! " ! " " ^WS"!! 22" _`\H] S ^WS!""22"_`\H] S ^WS2!! _`\H] S2 _`\H] S! − _`\H] a0I9 9$E(?/Y,G((?()\H]W'3XB& (]'V(Q 12345*+"65'+57'( #b*(+(?/>,?%K*(+/7,1E+# DL*(+,a IGX @0(V,?%KB3() a a DJJ1*BM(O7 P1 DJ@0(VB'IG/01*BM,?%K P141-/:c d+BN/B() .,34$56789: !" 1 =< ! " ! 2 !" " " ! ! p k p p p p p p p k p − + + + + + + + + + + + ! " !" " " ! ! 2 p p p p pp k p − + + + + + + + + " / ! " !" " " ! ! 2 p p p p pp p p − + + + + + + + D$1e ω ,G/d ω -ef ω () d ω " "2 ! ω ω ω − − + − + f ω " "2" !! ω ω ω ω − − + − 6' ω @03L# ∞ → - ∞ I91()@E@03 ω # ∞ # # - ∞ d ω # ∞ # # # ∞ f ω # ∞ # - ∞ DL@E@03,g()(h'K/ 0 -11 11 16 -30 I III IIII w f R w 6' ω # ∞ → - ∞ Ki@3B(h',j()Ki'G@AIG ,jV(QZDLM,gJ>/0I9,jffIG,jV(QZ DkIK #'/E1*BM(O7P1 P1 ! " !" " " ! ! 2 p p p p p pp − + + + + + + + D()H #2"2 " #" 2"2 !- "2 2!2 #" 2"2 !# "2 2!2 #2""2" #"!"!2 -" !! 2 #"!"!2 #" !! 2 # !"!2! ^5Z$ZE(?J1YlmH4,9$,j(];UV(Q .,34$56789: !" ! 9$/'E@03/HGV(QIG#n/n 8-"9":5;<5=>%5==6?:-> DL*(+ p+ p p p+ + p+ p ! " p+ " p+ # Fo/mJ -IG/mp7 D k p + p+ p+ ,MnD n3W'p$(QJ>$0@qHA/m* (*jIG/mp7,qhD Jr "p+ -" " " D k p + p+ p+ $*(*,"r p+ -! ! ! D k p + " p+ ,sh ! D "n 3W'p$(QJ>@\pqh ! D !,9$!r /(J!BtG1E+(*,QB'*(+ 6/muJqh_m$W'p$(Q$3%> /E' .,34$56789: !" ; " ! < = ./o/mJ*(+,H(]() o #v0(V*(**(+(>MH 1%5%G(*(+,?%K F 101,''01," w-w" "p+ w p p+ + - p w p+ "p+ w " " " p p p p p + + + + w p+ " 1 p p p p p p p p τ τ + + + + + + + DMH()GHB$?t F 1t%K/m*@EB3 .,34$56789: !" < = F 1 @/ 2 ; " < = D1EMH/mo F6 1''GHB$?/7 a 1, 1E+# \H](?/X a 1 p p τ τ + + W'*(+J a 1 ( ) ( ) ( ) ( ) F F6 F F6 1 1 1 1 + $B F6 1 ( ) ( ) ( ) F 1 1 x 1 y K K − $ a 1 p p τ τ + + ,G'() F6 1 ( ) F 1 p p τ τ + 9$J() F6 1 " 1 p p p p p p p p τ τ + + + + + + + b>0@Qo(*E'Bj,qhG'(J F (>J>E()@j/mJqhI DZ$DIGIZ DIG\Z 6i τ B+$,G'@>R F6 1()/moW' 1*11H'%I F6 1 " "2 1 p p p p + + + + + @5-AB>C5 !",+=>%5==D-$: ./o() a 1 p p τ τ + + , τ 3J a 1 p p p+ + a(JJGHE F1 p a 1 p p p+ + -T(QGHp(A DW'/B>F3,J .,34$56789: !" < a 1 = < F 1 = F6 1 "" " 1 p p p p + + + + +
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