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idfcn djet m = о in
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Ma (a) ç 3(a), M [a, a] ç [a, a], (5) Mrad(a) ç rad(a), Mnil(a) ç nil(a),
л + V. = 0 I
nonpropjciai^
lEÍCrTOErtír
(Ja,Ул с.z(a).
îŒEBt
îEiCE^^L^л e шСЫ шлй! rscnen, t e s. ЦтЕмазл Б(жс1
V = S Ул, Ул = {x e V : (л - Mx = 0}. ле£
(6)inftytrefCUcwirgdcïEi(aliEELlt|iciEdin (ЦЕ ?AT^Icnciiti^EtJc^^regccEci
0
ул,п es УV] Ç Ул+п, о s.
H liErïlTllEîCXiEtSai3Si£>CIу
M = а diag (-S, -S + 1, ...,S - 1, S), (í)
dim V, >i . r(3SinBtJc3ICf^i 3
sj sj '3
[v\,vv] = , , vx] = V,vv] = 0.
Hirex,n aer
nrtlrm- cjCfljaisasinttiitimri
tfldim a =
BtrevKttraira a=a°+a'
a° = 0 V\, a = 0 va,
xe£o \e£
BOUUl. . , . , [a„ ] r no [a a] r a [^ a] r a
[a° , a°] c a° , [a , a] c a , [a° , a] c a.
a°.
a —> a —> a°
es,\£,m isactciiBcJEiiHc^ ctfiriBasplitejtErsiintfaj^tresnittelani
y'(t) = ad(x)y(t) = [x,y(t)], x e V°, (9)
VA eS Re A < 0, 3n eS Re n< 0. (i)
Irtri^thesitE isspttirl^Esiiiitstinrt) eS°)
S° = {A eS : Re A = 0}, S = {A eS : Re A< 0}.
a = a° + a, a° = 0 Va, a = 0 V\. ®
Re a=°
Re A<°
(q
/A°, n° e S°,A, n eS either A° + n° £ S or A° + n° e S°, either A + n e S or A + n e S, either A° + AeS or A° + A e S.
RpsimlfteA s ¡ssjtttiincryatm^
g Wffi^^ 5(555, W.
fintas^) с s is vtteJCrt^ccdsEiiESgn = SO(2n +1) afcranJic
!Cr
1 РШТЬ ^CriCJ¡o(3). in
0, ±а\ = £.
Яки
IIHII^^kci
c£
ao = Vo ф 0 Ул, лер(в)
Мл
o so(3)= sl(2)
h3
e(2)
[v°,v± ] = ±v±, [v+,v-] = vo, [v°,v± ] = 0, [v+,v-]= vo, [vo, v±] = ±v±, [v+, v-] = 0.
HCl
_ S M (DTEE
штавае
Vo = 0 vok) ç Vo, Ул = 0ç Ул,
k=1
q=1
g
ЩЬ
d(v) Cl
(л - ad(M))^лad(v) = 0. ([)
f Intel irrtErnscft^iBâlaGad(x) = [x, ],
ad(Mx) - [M, ad(x)] = ad(Mx) - ad(M)ad(x) = 0.
et = UnCÎMÎ^ ,VEmnffiHfflS{ vu...,v^} in
k1
Mvk = Лvk + ^ Cksvs, k = 1, ..., рл
s=1
ftr^^cr^plkxarS^lfec ks. Ifeinfüs
k— 1
ad(Mvk) = л ad(vk) + ^ cksad(vs)
s=1
^tlïtt^^cJQSad(vk) cUSíÜSiy
(л - ad(M))kad(vk) = 0, k = 1, ..., рл. □
=0
so(N . гШГЕВДШГС SO(2n) crcM = 0
рщ
0
(л - M)vk = 0, (л - ad(M))ad(vk) = 0. ([4)
с VEStößM, advfc)e det(a) с ^cCV^^^^CJCÍÍSS^^
^rc^Lf^JC^I.l}-
2?/llcnflitHcâatiîBi^ctr0cIisïri
WH^M^M^H IWVIMlWW WBWBIM ШШ VH4MV1
I^LÍVlC^CI^ltnB^
[x,y]t = G-t[Gtx,Gty], t E R, x, y E V. (f)
Rrät.tte
cpEV = Cnf G' : a' ^ a, ker G' = a, fix G' = ao_ |2Q
[x,y]' = lim [x,y]t.
t^+œ
H^ G i ri ' w _ w wi ■ ^wif iiiu ^Yî^J^nlfïw^Ll^ "l ^Í^lí^^^
^^H^^^cr^cf Eïq I[E) vl^i^p^^ ,ve vií^(Шc(]|(л(I||^^яDlnв(а^
[jîHrcli.t, x, y Mx = G, My = Лу, Re Л < G,
|jEnlMnità|0ja' [, ]' fj^^n^ intteaici 0
— [x,y]t = -M [x,y]t + [Mx,y]t + [x,My]t.
fTÎj Gtx = x, Gty = еЛ1у, x E ao, y E h,
yt .. vteea aír a ¡saabkdsa h
0
] C0 Vç, i = Л + n or Re i > Re Л + Re n ■
ШПШгаЖ
Ю
-fvofv+
Mvç = iЛvi, i = -, G, +, Re Л > G,
[v-,vo ] = 2v- + avo + ßv+, Ç3)
[v+,v-] = vo + av+, [vo ,v+]=2v+,
[x, y]'_ = lim [x,y]t.
t^-œ
[v-,vo]' = 2v-, [v+,v-]' = vo, [vo, v+]' = 2v+
G. II
^ Wte^ ЗД, 202
g .l^s^eier 0.
whlnii^^
ad0(vл) ^ ad^v^, t ^
ICTBin
^Ifecpäcr
Lл(t) = e—•^adtv) e fl[(V)
SctiS^5trE)ÍSK3}EljlclLc^^lE!EIÍctÍCri
-ItLл(t) = [Lл(t),M ].
AkiWeCpsts
ЗОБ ^
bIf Rfeens
dx
x = Mx = {F, Vx) = Fk —.
k=i
© 2!
l-NWIlk
(îc^^—SircfjLl^ V^^SSiE^
ytfc-
iV&lfiôïII^ w-rrvrm
гаутшядоаииШИЕ
^ Wte^ ЗД, 202