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Aspects on asset liability management via stochastic programming

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(44). P ξ1 [f1 (x1 (ξ1 ), ξ1 ). +.

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(58) }r#twgZUskstks„ tvw}b>aleho nye€iGaƒ†‚ˆ‚u n i ˆstkstks„j†albg€r #e€w gw aƒdfe{u{r‚nfo`g€rsawhulalk#dyehtn@g€ehacaŒtzghr u{rŠdfks„ acwg€n tzg g€ehnu 15 w }o dyw g ˆ#d u mo dyw g o nye€Œdye€†.w a76WUsalk#ultzk#„Ibse€nfghnulnyxulnyijijnyksx UŠw aƒ†Qo n eksacw ghaƒ† ack#†ale{w†aƒu nyijb>n wht‰g€tzn k" . .  . . . . .   . 8 n+  :   !. }r#tw5b#dfb>ale †acdyxwQŒt‰g€rg€rsa.dy„y„ye€al„md g€tzn k6nfo d whwha g{w‚tkmghn6d whwha g5ulxd whwhacwQtzkw"g€nu{rŠdyw ghtvu #b ehn „ye{dfijijtzks„ !:p ijn†alxvw." a5whrsn Œ rsn ŒJg€rsaQwhalxacu ghtnyknfo}g€rsa‚kUsi ˆ>ale nfodyw€wha g€w g€njtzk#ulxmUŠ†atzkMdfk nybg€tzijtedcdfghtnykQijn†acx`d 2 acuWg{wghrsa 6WU#dyxztzg"(nfo]ghrsawhnyxeUghtnyk5tzk5g"ŒnGŒ}d w Œr#alk,dfkdybsbse€n tzi(d g€tzn k nfoghrsaMbse€nyˆŠdfˆstxztzg" ijacdywOUse€a5tvw U#whac† " ]te{w"g€xz ‹ghr#a 6WU#dyxztzg" nyoUghrsaGw n mx Ug€tzn k/twd 2 acu ghac†Mk#al„ dfght~yacxz ‹#dywŒai(d  ijd ya@dyxzx]nybg€tzi(dfx]nyek#acdfe nybg€tzi(dfx whnyex Ug€tzn k#wtko acd w tˆsxa "Iaculnyk#†sxz ‹]n k ghrsa‚b>n whtzght~yaQwht†say‹]ghrsa df„y„ ehac„ dfghtnyk b#ehac~yalkmg{wghrsa a bsxzn t‰g{d g€tzn k nyo}wh b Use€tn U#wbse€n #g€wacijdyk#d g€tzk#„5o e€nyi dMbŠnn e@dfbsbse€n tzi(dfghtnyk nyog€rsa(o Usxx b#ehn ˆ#dfˆstxt‰g"ijacdyOw Use€a ":@ Usehghrsacehijnye€ay‹ƒŒa w r#n Œ.rsn Œ† UŠdfxmtzko n ehi(dfghtnyko ehn ighrsa w€u ack#dfe€tn g€ehacaijd QˆŠY a U#whac†5g€nG„ Ustv†aghrsa@d whwha gdf„ „ye€al„md ghtnykQbsehnulac† Use€a " .   . . 8 Bi  :   !.  kghrstvw‚b#dybŠaceQŒa †tehaƒuWg€xz,u n iGbŠdfe€aIw"g€nu{rŠdyw ghtvuMxztksacdye‚bse€ny„ e€dyiGijtks„ ghn6d b#dfe{dfija g€ale€tmdcac† L=9& (: 3RQbŠn xztvu "ehac~tznU#w‚u n ijb#dfe€twhnykŠwjtzk,g€rsa xt‰g€ale{d gZUseha/rŠd ~ya/ˆ>alalk Œtzghr e€a nybsghtiGtedlaƒ†  ac† ijt  bŠn xztvu tacw?" @Use g€rsale€ijnye€ay‹sŒa@u n k#w gheZU#uWgdjrˆse€t† b>nyxtuly‹sŒrsaceha d b#dye€dyiGalghacehet dlaƒ†jbŠn xztvu (tvw}u nykŠw"g€Oe U#u ghaƒ†jo ehn i d@k Usi ˆŠacenyo]w ghnu{r#dyw ghtvuxtksacdyebse€ny„ e€dyi ijtks„whnyex Ug€tzn k#.w " a.whrsn ŒFghr#dfg5ˆ nybg€tzijet dltks„ g€rsa b#dye€dyija ghace€wjnyoghrstvw5bŠn xztvu  Œa wht„ykstŠuldykmghx/n Ug€bŠace o n ehi g€rsa(w n mx Ug€tzn k#wo ehn iLd b Use€aGw ghnu{r#d w"g€tu xztksaƒdfebse€ny„ye{dfijijtks„ o n ehb i Usxvd ghtnyk ".      

(59) v6,‰:8 .  k5dy†s†tzghtnykjg€nghr#ab#dfb>ale{w   ‹yghrsag€rsacwhtvwŒnye r#d wqehaƒwcU#x‰g€ac†jtk(g"Œnb#ehn „ye{dfi(wUŒrstvu{r Œar#nyb>adfe€T a U#wha o UsxŠo nyenfg€rsale}w"g€nu{r#dyw ghtvu}bse€ny„ye{dfijijtks„ehaƒw aƒdfe{u{rsale{wqdfkŠ†jbse€d uWg€t‰g€tzn ksale{w." }r#a #e€w g‚bse€ny„ e€dyi ‹  ‹tvw‚dfk,a 4(ultzackmg‚tzijbsxalijalkmg{d ghtnyk,nyog€rsa/ksacw ghaƒ† alk#†ace€w dyxz„ nye€t‰g€rsi g€rsatzijbsxalijalkmg{d ghtnykQtw}†aƒwhulehtˆŠaƒ†‚tkQqdfb>ale}h B"}rsaw aƒu nykŠ†‚bse€ny„ e€dyi ‹ ksnfg †sacw€u e€tzˆ>ac†tzk dykmbŠdfb>ale( ˆ Ug UŠw aƒ†6tkqdybŠace€wjW‹qh jdfk#†   ‹tvw(dfk a g€alk#whtzn knyodyk dyxz„ alˆse{dftvu5iGn†acxztks„xvdfks„ U#df„ ay‹Œr#tu{r dfxxn Œwjt‰g(g€n rŠdfk#†xaIw ghnu{r#dyw ghtvu bse€ny„ye{dfijijtks„ b#ehn ˆsxzaci(.w "I}rstvw bsehn „ye{dfiM‹ s

(60)  ! p‹ twG†aƒwhulehtˆŠaƒ† tzk acu ghtnyk Iˆ>alxn Y Œ " nfg€r b#ehn „ye{dfi(wdyehao e€alacxzQd ~ dytzxvdfˆsxaghnjghr#aehaƒw aƒdfe{u{rQu n iGb i Uskstzg" " . . . . !. #. .  P  

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(63) xztvdfˆ#tzxt‰g"/i(dyk#df„ alijalkmgo n eb>alkŠw tnyk o Usk#†swdfkŠ†Ixt‰o aGtzkŠwcUse{dfkŠu ay‹9d wŒalxxqdywdfkIn ~ ale€~mtalŒ nfo]ghrsa@wha g{wnfo Oe Usxacw U#k#†aleŒrstu{r5ghr#acwhaiGn†acxwdyeha†aƒw t„yk#ac†Qghnjnyb>ale{d g€a" }r#a.ijn†alxtzg€whalxzoGulnyk#whtw g€w5i(dftksx nfo@g"Œn6b#dye g{w d6ijn†alxnyo@ghrsawOUse€ehnUsk#†tks„ aculnyksn i  tk#u ex U#†tks„‚g€rsa .u U#w ghnyijace€w W‹ dfk#† d‚ijn†alx nfoqg€rsa ulnyijb#dfk ‹ŠŒrstvu{rIˆ>nfg€r dfe€a †acw€u e€tˆŠaƒ†tk ghrsa.dfehghtvu xa " @ Use g€rsale€ijnye€ay‹Œa/b>aleho nye€i*dwha g‚nyok Usijale€tvuldfx}g€acw g€w Œa u n iGbŠdfe€aghrsab>aleho nye€ijdyk#u anfo`n U#e ijn†alx>ghn ghr#dfgnyo:d   ijt (ˆ>alk#u{rsi(dye ‹dfk#†(Œag€eh ghn †a g€ale€iGtksa ghrsaGa 2 acu g€wnfodf„y„ ehac„ dfghtks„‚w"g{df„ acwtkIg€rsajwhulalk#dyehtn(ghe€ala "

(64) .ajw r#n Œ<ghr#dfg w t„yk#t ŠucdfkmgUbŠace o n ehi(dfkŠu atwq„mdftksac† t‰o Œ#a UŠw aghe€alaƒwUŒt‰g€r i(dykm w"g{df„yaƒwUdfk#† o alŒ ˆse{dfk#u{rsaƒw bŠacew"g{df„ ay‹su n ijb#dfe€ac†‚ghX n U#whtzk#„jwhrsn e g€aleghe€alaƒw}Œt‰g€r ijn ehaˆse{dfk#u{r#acwbŠacew g€df„ a " !. #. &$  *  %'34$ D;3 A8% H   3.*,4,AB&DC3% D;3.% H 3## 3 1,34 / 3 D,= /# D6<E;.4. . . . . H 8A 0+  3.E+E <%- <(,/ C: ,E: ,4&:+G H 4;3) 4;% %6<B). :aƒw"g€tzk#„.dIw ghnu{r#d w"g€tu(b#ehn „ye{dfijijtzks„/ˆŠdywhac† !:p whw"g€ali twbU#wOU#dfxx †n ksaQˆ ehn xzxtks„ rsnye€tedlnykw tiUsxvd g€tzn k#w5nyk dkUsi ˆ>aleMnfo ghacw g/whulalk#dyehtn w?"2Uace o n ehijtks„6e€nyxxztks„rsnye€tmdcnyk w t i U#xdfghtnyk#w(tk~yn xz~ acw‚whnyx~tzks„ d xdyeh„ a/kWU#i ˆ>aleQnyobsehn ˆsxali(wl‹Œtzghrw xtz„ rmghx†t 2>acehackmg e€dyk#†n iD†#d g€@d "Uehalo ale{dfˆsxy‹mg€rsacwhag€acw gb#ehn ˆsxzaci(wwhrsn Usx†QˆŠawhnyx~yac†‚ˆmX  Usghtxzet dltks< „ Usk U#whac† ehaƒw n Use{u acwc‹fOw U#u{r(dywqˆ ˆ>nye€e€n Œtzks„hw U#w aƒ†Go nyek#nye€ijdyx3n 4‚u aŒnye @Œrsacksal~ aleqg€rsalGdfe€a ksnfg U#whac† o nyeUg€rsaltetkmghalkŠ†ac† b Use€bŠnmw a " }r#twUijacdyk#w ghrŠd gUghrsarŠdfe{†ŒdyehaŒa U#wha}Œtzxxsˆ>ad u n xzxacu ghtnyk nfo]r#a ghacehn „yacksaln U#w}u nyij b Usghale{wu n ksksaƒuWghaƒ†‚g€rse€n Us„ r dGksn ehi(dfx9n 4‚u aksa g"Œnye ^". Usehghr#ale€iGn eha ‹>d u n ij b Ughacei(d Mˆ>acu n ijb a UskŠd ~ dytzxvdfˆ#xza@Œtzghr#n Ugbse€tzn eksnyghtvu a Œrsalksac~yace t‰gtwksalaƒ†ac†/o nyenyghrsaceg{dyw ?w "}rsaƒw aGu nykŠ†t‰g€tzn k#wtijbsx5g€r#d gt‰gtwacd w taleg€nQb#dye€dyxzxalxet dla ghaƒw"g{w}ˆm5whulalk#dyehtn w \t " a "z‹Ze Usk nyksaw€u ack#dfe€tzn bŠaceu n iG@b Ughace tk#w"g€acd †Qnyo]b#dye€dyxzxalxmt dctzk#„@ghr#a w n xz~ ale \t " a " ‹ U#whadyxzx]u nyij b Usghale{wghn‚whnyx~yao nyen ksawhulalk#dyehtn 6WUstvu yace 6"  kGg€rsaxt‰g€ale{d Og U#ehaghr#ale€aa tw g whal~yace€dyxtzijbsxalijalkmg{d ghtnykŠwqnfo>ghrsaksacw ghaƒ† ack#†ale{wqdfx„yn ehtzghr#io nyeqwhnyx~mtks„w"g€nu{rŠdyw ghtvu bse€ny„ e€dyijiGtks„b#ehn ˆsxzacG i " pIdyknyo#g€rsacwha}tzijbsxalijalkmg{d ghtnykŠw o n6u U#wn k i(d tks„5xvdfe€„yacedyk#† xvdfe€„yacebse€nyˆ#xzacijwwhnyx~ dfˆsxa tk w rsn e g€aledfk#† whrsnyehghaceg€tzijay‹ nykIˆ#tz„ „yaledfkŠ†/ˆst„y„yaceulnyij b Ug€ale{.w "!`aƒwhwa 2 nyehgrŠdywrsn Œac~yaceˆŠacalk w b>alkmgnykIg€ehtks„(g€n w r#nyehghalk ghrsa‚whnyex Ug€tzn kIghtijacwo n ew n xz~ ale{wZe Usksk#tzks„ nyk whijdyxzxale@ulnyij b Ug€ale{wŒt‰g€r xtiGtzghaƒ† ijalijnye€"  k ghrstvwGb#dfb>aleGŒaQa bsxnye€aQdIk Usi ˆŠace nyow"g€e€dfghal„ tzaƒw@Œrstvu{r i(d  ˆŠ! a U#whac†tk6n e€†ace ghn ghe{dy†a5xzn Œale iGacijnye€ ulnyk#Ow Usijbg€tzn ko nyeGrst„yrsace u n ij b Ug€dfghtnyk#dyx g€tzija "

(65) k#a‚o dyu ghn e „ye€acdfghx d 2 acuWg€tzk#„ r#n Œ  i U#u{r ijalijnye€tvw(u nykŠcw Usijaƒ†6tvwGghrsaMk Usi ˆŠace(nfoOw Usˆsb#ehn ˆsxzaci(w yacbg tk ijalijnye€ " :e{dy†st‰g€tzn k#dfxxz ‹Unyksa cw Usˆ#bsehn ˆsxali bŠace ksn†a5tzk6ghrsa whulalk#dyehtn/g€ehaca‚tw yacbgtzo g€rsa b#ehn ˆsxzaci twwhijdyxzx ‹ ŒrstxzaGnyksa bse€nyˆsxali b>alebŠacehtn†/tvw albgtzoghrsaGbse€nyˆsxali tw w xtz„ rmghx.xvdfe€„yac?e "‚ o}g€rsa(ghe€ala(tvw whacdye€u{r#ac†.ˆsehaƒdy†g€r #e€w gc‹:ghrsack ghrsaƒw a5dfe€aGtk o dyu g n U#e nyksxnybsghtnyk#?w "  oŒa5tk#w ghacd † b>aleho nye€i d.†acbghr #e{w gjwhacdye€u{r`‹Ug€rsalkŒaMdfxvwhn r#d ~ a‚ghr#a nybg€tzn k/ghn yacalbIdfk alkmghtehaGcw U#ˆghe€ala tzkIijaciGn eh ‹ŠŒr#tzxa whr#dfe€tks„Q!` w ghZe U#uWZg Use€acwˆ>a g"Œalack ghrsaIOw Usˆsb#ehn ˆsxzaci(w whalaI tz„ Use€a B" }r#tw(tvw‚†n ksaMˆ6u Usg ghtks„ g€rsa/bse€nyˆsxali*tzkmghn g"Œn r#dfx~yaƒwqˆGghrs' a U#w anfo:dˆsxnu w g€dy„ya "q

(66) ksa!: tw yacbg b>aleksn†aˆ>a o n ehaghrsaw"g{df„ya ‹yŒrstxa ghrsa@Ow Usˆg€ehacacwdfo ghale}g€rsaˆsxnu w g€df„ awhr#dyeha!` ?w " a}w rsn Œr#n Œ yalacbstks„O w Usˆghe€alaƒw:tk ijaciGn ehi(d ehaƒ† U#ulaghr#an ~ ale{dfxxyu n iG@b Ug€dfghtnyk#dyx ghtijay‹:Œtzghr#n Ugxacdy†stzks„ g€n b i U#u{r rstz„ rsaleijalijn eh/e€a 6WUstehacijalkmg€?w "Gnytks„5ghrstvwe€a 6WUstehaƒw U#w ghn ijn†tzo jghrsao dyw g ˆ#d u mo dyw g o nye€Œdye€† w 7a 6WUsalk#ultzk#„ bse€nfg€nulnyx dyw„yt~yack‚ˆ t‰ghghe€nu . . . !. #. !. . #. . . .  . . . . !. #.  . . . . . . . . !. .

(67)  ‹Œrstvu{rtw ehaƒu n iGijack#†ac†o nye w ghnu{r#d w"g€tu‚bsehn „ye{dfi(wˆ>nfg€r ˆd whwhi(dfk Ž  dfkŠ† teh„ aa gdfx\"  \" p/tzk#nyetzghale{d g€tzn k#w !` n†sa !`al~ alx  . #. . . . . !`ac~yacx:Ž‹ˆsxnu w g€df„ a . !:al~yacx`. pId "n e}t‰g€ale{d ghtnyk ŒtzghrMˆ>nUsk#ula. Usˆg€ehacaˆsxnu. t„Use€a  r#dyehtks„jnfoq!`w.". . }rsa@e€ac† U#uWg€tzn k#w}tzkIwhnyxeUg€tzn kQg€tzijacw~ dfe€‚ˆŠalg"Œacalk/†t 2>acehackmgghaƒw"g bse€nyˆ#xzacijwŒa@whd ~ a ˆ>a g"Œalack #  nyo>g€rsaulnyijb Ug{d g€tzn kjghtiGau n iGbŠdfe€ac† ghn UŠw tks„@n ksabse€nyˆsxali b>ale xal~ alx tkghrsa ghe€ala ‹ whnyija g€tzijacwGŒrstxa dyxwhn.w€d ~tzks„.ijalijnye€y‹ˆ@UgXU#wcUŠdfxxzˆ dfb#bsehn ti(d ghacxz †sn Usˆsxtks„Gghrsaijalijn eh‚e€a 6WUste€alijalkmg€?w " .  $ **   *) ).4C )+  3 < / 3 D= /# D H 4;3;).4;.%6%6< ) %'3 : , 1,34.  "!/## $ %'E )+,%'( . . " ‹mŒaw acag€r#d gŒai(d (†a Šksat‰g{w~ dyxmUsae€acu.Use€wht~yalxjdyw Ž" cd − , X, P ) := min f (→ x , x , ξ ),.  o Œaxnmn ‚d gghrsabse€nyˆsxali . !  #. − gT (→ x T −1 , ξT − g (→ x , ξ , X, P ) := t. t−1. t. !. T −1. T − xT ∈XT (→ x T −1 ,ξT ). T. . #. T. → −. min (ft ( x t−1 , xt , ξt ) − xt ∈Xt (→ x t−1 ,ξt ) → − + P ξt+1 |ξt [gt+1 ( x t−1 , xt , ξt+1 , X, P )]).. Ž " lˆ xacdyehxy‹fghrsao U#k#uWg€tzn k tvw†alb>alkŠ†alkmg ˆ>nfg€r(nykGghrsao acdywhtˆsxzawha g dyk#† ghrsab#ehn ˆ#dfˆstxt‰g" ijaƒdywOUseha P U#whac†.g€n u gn tiGb@Ugha(g€rsa‚a b>acu ghaƒ†d ~yale{df„ acw?" .a5i(d XIghrU#wo nye€iUsxvd g€ajghrsa b#ehn ˆsxzaci " }dywghrŠd gghn ijtkstzijet dla f (x (ξ )) +

(68) P [g (x , ξ , X, P )]. Ž " Ž.

(69). !. . #. !  #. !. x0 ∈X0. 0. 0. 0. ξ1. 1. 0. 1. 0. 0. 0. ξ1. 1. 0. 1. #. n Œac~yacec‹qdyw w"g{d g€ac†bse€al~tn U#whxy‹qŒa5dfe€a‚ksnygGdyˆsxzaQghn dy†s†e€acw€wg€rstvw b#ehn ˆsxzaci †tze€acu ghx"  kŠw"g€acdy†QŒa†tvwhulehalghtedlag€rsaw b#d u anfo:b>n w€w tˆsxanUg€ulnyijacwtk g€n d whulalk#dyehtnghe€ala ‹dfk#†5w n xz~ a g€rsa@dfb#bsehn ti(d ghabse€nyˆsxali ijtkstzijet dla f (x (ξ )) +

(70) P¯ [g (x , ξ , X, P¯ )], Ž"  !. x0 ∈X0. . #.

(71) Œrsale€a P¯ †salksnyghacw:ghr#abse€nyˆŠdfˆstxztzg"ijacdywOUse€a u n ehe€acwhb>nyk#†tks„}g€ng€rsaw€u ack#dfe€tn}ghe€ala"] k@g€rstw bse€nyˆsxaliM ‹mal~yack‚tzo9ghrsabse€nyˆ#dyˆstzxtzg" ijacd wcU#eha ¯ b#ehn ~tv†acwdfkQd ulu6U#e€dfgha†aƒwhulehtbghtnykQnfo9ghr#a o Usxx9bsehn ˆ#dfˆ#tzxt‰g"(ijaƒdyOw Useha P o nye}g€rsa #e€w g w g€Pdf„ ae{dfk#†snyi nUsg€u n ijacwc‹ g€rsaehaƒwcU#x‰g€tzks„Gnybsght i(dfx #e{w"g w g€dy„yaw n mx Ug€tzn k i(d ˆ>a}o dfe o ehn ighr#ae€acdyxnybg€tzi(dfxwhnyxeUghtnyk:‹ft‰o g (x , ξ , X, P¯ ) 1 twd5bŠnn edybsbse€n tzi(d g€tzn k/nfo g (x , ξ , X, P ) " sn ea sdfijbsxay‹9tzo ŒaGr#d ~ 1a i(0dfk/ dyw€wha g€w 1 0 1 ghn tk~yaƒw"g‚tk`‹ ˆ UgQo alŒ ˆse{dfk#u{rsaƒw(t k d g5xdfghale5w"g{df„yaƒwjtzk,g€rsaIg€ehacay‹ghr#ale€a/Œtzxxa tw g w @b Usehtn UŠw}bsehn sg€w}tkMghr#a@whulalk#dyehtn g€ehaca@d gxvd g€alew g€df„ acwc‹sdfk#† rsack#u a Œtxzx , ξal1km, g‚ X,ŒP¯t‰g€)re€a ˆŠaIdyk6n ~ ale aƒw"g€tzi(d g€tzn k nfo g (x , ξ , X, P ) "  k6g€rstw‚b#dfb>ale(Œa5a g1bŠ(xaceh0tij w"g€ehtvuWg€tzn k#wnyk.ghrsajo aƒdywhtzˆ#xza(wha 1g e€0albs1xvdyultzk#„5g€rsaGo acd w tˆsxajwha g X ˆ X¯ ⊂ X 6"j}r#aG@b Use bŠnmw a/tvwjg€nijd ya g (x , ξ , X, ¯ P¯ ) d ˆŠalg ghace5dybsbse€n ti(d g€tzn k6nfo g1 (x0 , ξ1 , X, P ) ghr#dyk 1 0 1 # ‹  Œ s r v t { u. r  Œ z t  x ` x  t iGb#ehn ~ ag€rsa #e{w"g w g€dy„yaw n mx Ug€tzn k " g1 (x0 , ξ1 , X, P¯ ). r#alk dyk !]p bse€nyˆsxali<tvw:whbŠaƒu t#ac†9‹fdyk@tiGb>nyehg€dykmg]u{rsnytvu a tw]Œrstvu{r dyw€w alg]u xvdyw€whacw g€n tzkŠu ex U#†a "}mb#tucdfxxz ‹ghrsa@d whwha g{wdfe€adf„ „ye€al„ dfghaƒ†‚tk g€n‚uldfghal„ nye€tzaƒwcw UŠu{rMd w}o nye€alt„ykMw ghnu ‹ †nyijaƒw"g€tuˆ>nykŠ†swl‹ma g{=u "U o ghnno acŒdyw€w alg u xvdyw€w aƒwdfe€aa U#whac†9‹ ghrsack(ghr#aijn†salx#i(d GbŠace o n ehi bŠnn ehx whtk#u aQghrsaQo acdywhtˆsxza5w algG†nacw ksnygGu n kmg€dftk dfk „ynn†w n mx Usghtnyk#?w "

(72) kg€rsaQnyghrsace r#dfkŠ†9‹Utzk#ulmx UŠ†tzk#„/ghnnIi(dfk dyw€w alg€wxacd †swg€n u n iG@b Ug€dfghtnyk#dyx †t 4(.u Usxzghtacw Gd wghr# a "nytkmg bse€nyˆ#dyˆstzxtzg" †tvw"g€eht ˆ Ug€tzn k‚nfo g€rsab>n w€w tˆsxadyw€wha g talxv†sw dyehae€albse€acwhalkmg€ac † U#whtzks„ whulalk#dyehtn wc‹ tzkŠu e€acdywhtks„Qg€rsa‚k Usi ˆŠacenfodyw€w alg€we€a 6WUstehaƒ` w U#wghn/tk#ulehaƒdywha g€rsa(Œtv†ghrnyog€rsa‚whulalk#dyehtn ghe€alaƒwl‹ghr U#wQi(d tzk#„ ghrsaIb#ehn ˆsxzaci b i U#u{r,xdyeh„ alne "  k,ghr#twQb#dfb>aleƒ‹ghrsaIe€acw ghe€tvuWghtnykŠwjnfo ghrsa o acd w tˆsxa w alg€w†tvwh.u U#whwhac†/dyˆŠn ~ ag€d yacwghrsaGw r#dybŠa nfodf„ „ye€al„md ghtks„(dyw€wha g€wtzkmghn5ˆst„y„yace dyw€w alg@u xvdyw€w aƒw ehalo ale€ehaƒ†/g€nMd ww kmghr#a ghtvujdyw€w alg€w B"(}rsa(df„ „ye€al„md ghtnyk tw„ Ust†sac†.ˆm.† U#dfx tzkso nye€ijdfghtnyko e€nyi g€rsa !:p bse€nyˆsxaliM‹qtk6nye{†ace@ghn #k#†6ehaƒw"g€ehtvuWg€tzn k#w@n kghrsa5o acd w tˆsxa w alg€w}Œrstvu{rMehacijn ~yacwg€rsaghack#†alkŠu ‚g€n(u{r#dywhaw b U#ehtn U#w}b#ehn sg€wc‹Œrstxza@dfgghrsa@w€dfijaghtija bŠacehijtzg€w ghr#aMwhnyx~yace@g€n #kŠ† „ynn†6d whwha gju n i ˆstk#d g€tzn k#?w " a ghe€ ghrstvwjdfbsb#ehnmdyu{rnyk d ˆ#dfe€a ˆ>nyksaƒw !:p bse€nyˆ#xzaci ‹sdyk#† #k#† g€r#d gg€rsale€atwksn(w t„ykstŠucdfkmgdy†~ dfkmg{df„yanyo U#whtks„ ijnye€ag€r#dfkjg"Œndyw€w alg u n i ˆstk#d g€tzn k#wc‹ydywUxnyks„@d w ghrsacGdyehaucdfe€a o Usxxz u{rsn whalk " ao Usehghrsace #k#†5ghrŠd gwhtz„ kst >uldfkmgb>aleho nye€ijdyk#u atvwxn w g}tzo ghrsa@xtvdfˆstxztzg"Qwht†satwk#nfgu n k#w tv†acehaƒ†QŒrsack ghrsa dyw€w alg€wdfe€adf„ „ye€al„ dfghaƒ†‚tk g€n‚dyw€w algu xvdyw€w aƒwl‹act‰g€rsaleˆ!  U#w tks„‚† UŠdfx`tko nye€i(d g€tzn k5o e€nyi ghrsa !:p ‹#nyeˆm df„ „ye€al„ dfghtks„jdyw€w alg€w U#whtzk#„QpIdfe yn ŒtzOg dija g€rsn†9‹>d Us„yijack g€ac† ŒtzghrMghr#a xztvdfˆ#tzxt‰g"Qrsac†„ tzk#„julehaƒ†tzgnfoUr#dfe€bŠadyk#†M}tzkmg  " . . . . $!. #. . . . . . . !. #. . .  $&   3+ D$ 3 H  <% *+  3. H .4;%-0,4,*;: : ;D,< 3. 4,A8 ,  / 3 D= /# D H 4C3+G ).4C% %6<B) 1,34   "!###$-%'.E*)+,%-,(  . . }rsa ulnyk#ulalbgnfow ghnu{r#d w"g€tu@bsehn „ye{dfijijtzk#„(n ~yaled‚w€u alkŠdfe€tzn(g€ehacacwtwnyk#xzMnyk#a nfoi(dykm bŠnmwhwhtˆsxza/dybsbse€n dyu{r#acw ghr#dfg‚i(d  ˆŠa UŠw aƒ†6o n e‚dyw€w alg(xztvdfˆstxt‰g"ijdyk#df„ alijalkmgn" ksnyghrsace bŠnmwhwhtˆsxzadybsbse€n dyu{r5twg€rsaYU#whanfoUb#dfe{dfija g€ale€tmdcac†QbŠn xztvu tacw w aca@p Usx~yal ! 6"  oqŒaxznn Qd gg€rsabse€nyˆsxali " W‹Šdyk#†Mdyw€cw U#iGag€r#d gg€rsa@~ dfe€tvdfˆsxacw}i(d ‚ˆ>a †t~t†aƒ† tzkmg€n n ksawha g}e€albse€acwhalkmghtks„g€rsaw"g{d g€anyo`ghrsaulnyijb#dfk ‹ x ‹sdfk#†Qnyksaw alge€alb#ehaƒw ack g€tzk#„@ghr#a †acultwhtnyk Œai(d ‚i(d ay‹ y ‹ghrsack ghrsabse€nyˆ#xzaci i(d ‚ˆŠae€a o n ehb i Usxvd ghaƒ†Qd w  !. . #. !  #. . min f0 (x0 ) + y0. +···+.

(73).

(74). ξ1.

(75). − − min [f1 (→ x 1 (ξ1 ), ξ1 ) + ξ2 |ξ1 [ min f2 (→ x 2 (ξ2 ), ξ2 ) y2 (ξ2 ) → − [ min f ( x (ξ ), ξ )] · · · ]],. y1 (ξ1 ). ξT |ξT −1. yT (ξT ). T. T. ƒ. T. T. !. Ž" d . #.

(76) w?"]gn". Ž" yˆ Ž " u Ž " m† Ž " a. !. x0 = g(¯ x, y0 ), y 0 ∈ Y0 , xt (ξt ) = g(xt−1 (ξt−1 ), yt (ξt ), ξt ), yt (ξt ) ∈ Yt (xt−1 (ξt−1 ), ξt ),. . !. #.  #. !.  #. t = 1, . . . , T, t = 1, . . . , T.. !. . #.  kIghrstvwo n ehibUsxvd ghtnyk:‹sghr#a w g€d g€a nyoqghrsaGu nyijb#dyk5d gghtija t tvwd‚†stze€acu go Usk#u ghtnyk nyoUghrsa w g€dfgha nfoqghr#a u n ijb#dfk5dfgg€tzija dyk#†Mg€rsa †aƒu tvw tnyk/i(d †a d gghtija ‹9dywa bse€acw€w aƒ† ˆ x (ξ ) = g(x (ξ ), y (ξ ),t −ξ )1" wr#dywˆŠacalkMijalkmghtnyksaƒ† acdfe€xtzacec‹tg€rsa@†tiGack#whtzn k nyod tw"g€nt u{r#dyw ghtvuQt−1 b#ehn „yt−1 e{dfijijtztks„ t bsehn tˆsxali tvwGrstz„ r`‹d wGnyksa/†aƒu tvw tnykijd ˆ>aMi(dy†a5o nye aƒdyu{r/b>n w€w tˆsxa@e{dfk#†n iFn Ug€ulnyija " bsbsxtzk#„‚b#dfe{dfijalghale€et dlac† b>nyxtultzaƒwtvwdyk d ghghaciGbsgghn e€ac † U#u a5ghrsa/†tijalk#whtnyk6nyoghr#a b#ehn ˆsxzaciM‹ˆijd tzks„.ghr#a d uWghtnyk6g€d yalk d gGghtija ‹ tkmghnjdfk5a bsxtult‰g}o Usk#u ghtnyk5nfo`g€rsaw"g{d ghanfo:ghrsau n ijb#dfk(d gghtija t − 1 dfk#†‚ghrsae{dfk#t†snyyi t †sal~yacxzn bsijalkmgˆ>a g"Œalack dfk#† "@}rstvwa bsxztvu tzgo Usk#uWg€tzn k tvwijd †aj†alb>alk#†salkmgn k.d kUsi ˆŠace]nyob#dfe{dfija g€ale{w αt − ‹ Œrs1tvu{r@Œat nybsghtiGet dlan ~yacec‹c„yt~mtksT „ UŠw`g€rsa bse€nyˆ#xzaci o n ehb i Usxdfghtnyk  . min f0 (x0 ) + α. w." g?".

(77).

(78). .

(79). − → − x 2 (ξ2 ), ξ2 )+ x 1 (ξ1 ), ξ1 ) + ξ2 |ξ1 [f2 (→ → − [f ( x (ξ ), ξ )] · · · ]],. ξ1 [f1 (. · · · + ξT |ξT −1 T T T T x0 = g(¯ x, y0 ), y 0 ∈ Y0 , xt (ξt ) = g(xt−1 (ξt−1 ), yt (ξt ), ξt ), yt (ξt ) ∈ Yt (xt−1 (ξt−1 ), ξt ), yt (ξt ) = γ(xt−1 (ξt−1 ), ξt , t, α),. ! ! !. # #. #. !. t = 1, . . . , T, t = 1, . . . , T, t = 1, . . . , T.. Ž "fd Ž" ˆ Ž "fu Ž " y† Ž " fa Ž "  o. #. ! !. # #. }r#aju{rŠdfe{dyuWg€ale€tw ghtvulwnfo g€rstvwb#ehn ˆsxzaciNtwe{d g€rsale†t 2>acehack go e€nyi Ž" `ghr#dfgbse€nyˆ#xzaciNtw xvdfe€„ya w€uldyxzaˆ Ugxtzk#acdfeƒ‹Œrsacehaƒdyw Ž "  tw}xn Œ †stzijalkŠw tnyk#dyx ˆ Ugksn k xtksacdye?"  k  :   8 6i Œa‚u nyijb#dyeha‚w ghnu{r#d w"g€tujb#ehn „ye{dfijijtzks„ g€nIb#dfe{dfijalghale€tedlac†.b>nyxtultzaƒwl‹ ˆ>nfg€r 6UŠdfkmghtzg€dfght~yalx dyk#† 6WU#dyxztzg€dfght~yacxz "‚}rsajijdytzkd †~ dfkmg€dy„yaGnfod w ghnu{r#d w"g€tu xtzksaƒdfe b#ehn „ye{dfijijtzks„dybsbse€n dyu{rjtvwtzg€w„ye€acdfg #a tˆstzxtzg" u n iGb#xza julnyk#w ghe{dftkmg€wqi(d GˆŠar#dfk#†sxzaƒ† tk/d(w"g€e€dytz„ rmg o nye€Œ}dfe{†(Œd  ‹sdfk#†5ghr#ao dyuWgg€r#d gŒa@†njksnygtzk Usalk#ulaghr#a@w n mx Ug€tzn k5Œtzghr b#ehtnye dyw€cw Usijbg€tzn k#w]nfo#Œr#dfg u{r#dye€d uWg€ale€mt dcacw`d„ynn†@w n mx Usghtnyk " }rsa i(d "n e]†n ŒkŠw tv†a tvw:ghrsa ulnyij b Ug{d g€tzn k#dfxUbse€tula ghrsajk Usi ˆ>alenyo ~ dfe€tdyˆsxacw„ye€n Œwa b>nyk#alkmghtvdfxxz/Œtzghr.ghr#aGk Usi ˆ>alenfo9g€tzija w g€dy„yacw tzk‚ghrsabse€nyˆsxaliM‹ o nye{u tks„ U#w ghnGdf„y„ ehac„ dfghaghtija w"g{df„yaƒwqo n ebse€nyˆ#xzacijw Œtzghrd5rst„yr Wk U#i ˆ>alenfo}w"g{df„yaƒ.w "(

(80) k g€rsajnfg€rsaler#dyk#†9‹`b#dye€dyija ghacehet dlaƒ†/bse€nyˆsxali(w„ye€n Œ n ksx.xtzk#acdfe€xItzk g€rsaQk Usi ˆŠace@nfo}g€tzija w g€df„ acwc‹]dyk#† bse€n † U#u a(bse€nyˆ#xzacijw@nfoxzn ŒD†tijalk whtnykMu nyijb#dyehaƒ†(g€njw ghnu{r#d w"g€tuxtzk#acdfe}bse€ny„ e€dyijiGtks„ " }rsa†n ŒkŠw tv†anfo !:p bse€nyˆ#xzacijw ˆŠdywhac†n k b#dfe{dfijalghale€et dlac† b>nyxtvu tacw tw ghrŠd gGghrsac e€acOw Usxzg tk6ksn ksxtzksaƒdfejdfk#† ksnyk u n k~ya  b#ehn ˆsxzaci(wŒr#tu{rMdfe€arŠdfe{†(ghn(whnyx~ya "] k nye{†aleg€n ˆ>alksa sgo e€nyiDghr#a@dy†~ dfkmg{df„yaƒw nyo:ˆ>nfghr ijalghrsn†swc‹ulnyi ˆstzk#aQg€rsaMg"Œn dfb#bsehnmdyu{rsaƒw tkmghn d rmˆse€tv† ija g€rsn†9‹ˆ6ulnyk#w ghZe U#u ghtks„ d bŠdfe{dfija g€ale€mt dcac†5bŠn xztvu  Œrsale€aghr#a@bŠn xztvu Qo Usk#u ghtnyk/tvwˆ#d w aƒ†5n k ghrsa whnyex Ug€tzn k nyodjxdyeh„ a kUsi ˆŠacenyow"g€nu{rŠdyw ghtvuxztksaƒdfeb#ehn „ye{dfijijtzks„(b#ehn ˆsxzaci(.w " kIn Useg€acw gg€rsa rˆse€t†Mb>nyxtvu  ulxzaƒdfe€xzjn Ughb>aleho nye€i(wdGw"g€nu{r#dyw ghtvuxtzk#acdfebse€ny„ e€dyiGijtks„@bse€nyˆ#xzaci ‹whrsn Œtzk# „ U#wghrŠd gghrsa dy„y„ ehac„ d g€tzn kQnyoUw g€dy„yacwul=d UŠw aƒwdjˆstd wŒrstvu{rMksal„md g€tz~ alxQd 2 acu g€wg€rsa whnyex Ughtnyk:‹#dfk#†5g€r#d g dGb#dye gnyo]g€rstwˆstd w}i(d ‚ˆŠae€alijn ~ ac†‚ˆ UŠw tks„Gghrsarˆse€t†5b>nyxtul " !.

(81) . !. #. .  #. . !. #.

(82) . . . .

(83)   X

(84) . }rsa/o n ehibUsxdfghtnyk,nfo@d i(d g€rsali(dfghtvuldfxbsehn „ye{dfi tvw‚„ ehaƒd g€xz w tijbsxzt#aƒ†,ˆm6ghrsaU#wha/nfo dfkdfx„yacˆse{dftvu ijn†alxtks„/xdyks„UŠdf„ya pI! 6" nfg@i(dfk pI!:w dfe€aGr#n Œac~yalewOUstzghac†.o n e w"g€nu{r#dyw ghtvubse€ny„ye{dfijijtks@„ " rsalkIghrsa@Œnye Qn kMghrstvwghrsaƒw tvwŒ}dyww g€dye g€ac†9‹#ghrsaceha a tvw"g€ac† g€nQn U#e ksn Œxac†„ a }n ksx5g"ŒnQwhw"g€ali(wo n ei(dfkŠdf„ytks„Qw ghnu{r#d w"g€tu bse€ny„ye{dfijijtks„(ijn† alxvw q!: h

(85) ˆm dyxzx>dfk#†(pId  al e   ‹dfkŠ†Q

(86)  @‹u e€acdfghac†jˆGUnyte   dyk#† U#whac† ˆ n k#whtz„ xzt}dfk#†acijb#w"g€ale "6 k dy†s†st‰g€tzn k`‹g€rsale€a5a tw ghaƒ†d w w ghaci uldfxxac†  

References

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