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Ann(L
m
) = L{
e
b
1
, . . . ,
e
b
n−m
} {
e
b
a
} a = 1, . . . , n − m
Ann(L
m
) M ∈ {M
0
, L
m
} ⇐⇒
e
b
a
(r − r
0
) = 0, a = 1, . . . , n − m.
e
b
a
= b
a
i
e
e
i
{
e
e
i
} i = 1, . . . , n V
∗
n
{e
i
}
b
a
i
(x
i
− x
i
0
) = 0, a = 1, . . . , n − m.
b
a
i
x
i
+ b
a
n+1
= 0, a = 1, . . . , n − m,
b
a
n+1
= −b
a
i
x
i
0
m A
n
n−m n−m
n−m (
) n −m {x
i
} M
{O, e
i
} A
n
m A
n
b
1
x
1
+ . . . + b
n
x
n
+ b
n+1
= 0
π
n−1
A
n
e
b = {b
1
, . . . , b
n
}
L
n−1
π
n−1
m L
m
=
L{a
1
, . . . , a
m
} a
α
= a
i
α
e
i
M
0
r
0
= x
i
0
e
i
n − m n x
1
, . . . , x
n
m
R
n
S ⊂ A
n
e
S =
{
−→
AB ∈ V
n
|A, B ∈ S}
S M
0
∈ S
π(S) = {M
0
, L(
e
S)}
µ^ 2/7> Ann(L ) = L{be1, . . . , ben−m} 9D* {bea} a = 1, . . . , n − m F +5E0/ B Ann(Lm) < -9D5 M ∈ {M0, Lm} ⇐⇒ m e a (r − r0 ) = 0, b a = 1, . . . , n − m. ¶ 2/7> bea = baieei 9D* {eei} i = 1, . . . , n F +5E0/ B Vn∗ /-.38*,,A +5E0 /2 {ei} < -9D5 /0/7*:5 235B,*,0 ¶ ¨1B0B56*,7,5 /6*D2*~ bai (xi − xi0 ) = 0, a = 1, . . . , n − m. · 5/13AB58 /1-+10 B · .-62)5*: /0/7*:2 60,*,AC 235B,*,0 bai xi + ban+1 = 0, a = 1, . . . , n − m, I 9D* ban+1 = −baixi0 < 510: -+35E-: m .6-/1-/7> B .3-/735,/7B* An E5D5*7/8 /0/7*:- 0E n−m 60,*,AC 235B,*,0 35,95 n−m < )*B0D,- 0:**7 :*/7- 0 -+357,-* 27B*3D*,0* 5 0:*,,-~ XYZ[¡Y\]Y^ ¸gkdmhibjt hahimdj I al n − m oabmubcr ( bmgnbgfgnp bcr ) }fjkbmbau fjbxj n − m not vggf nabji {xi} igsva M gibghaimobg fmemfj {O, ei} j``abbgxg efghifjbhikj An ljnjmi m peoghvghi k An ¹ sjhibghiaw gnbg oabmubgm }fjkbmbam b1 x1 + . . . + bn xn + bn+1 = 0 º ljnjmi xaemfeoghvghi πn−1 k An fa zigd be = {b1, . . . , bn} oabmubjt `gfdjw jbb}oaf}{qjt bjefjkot{qmm egnefghifjbhikg Ln−1 xaemfeoghvgp hia πn−1 £¤Y[¥^ */7B07*6>,- -+** 3**,0* /0/7*:A I 0:**7 B0D ± 0 -.3*D*68*7 m .6-/1-/7> / ,5.35B680: .-D.3-/735,/7B-: Lm = ) ) L{a1 , . . . , am } 9D* aα = aiα ei .3-C-D82 *3*E 7- 12 M0 / 35D02/ B*17-3-: r0 = xi0 ei < E ¨7-9- .3*D6-*,08 /6*D2*7 )7- B/8158 /-B:*/7,58 /0/7*:5 60,*,AC 235B,*,0 35,95 n − m -7,-/07*6>,- n .*3*:*,,AC x1, . . . , xn E5D5*7 m .6-/1-/7> B 50,,-: .3-/735,/7B* Rn < XYZ[¡Y\]Y^ }hi S ⊂ A efgalkgobgm egndbgymhikgw Se = dbgymhikg kmvigfgkw bjsjoj a vgbc vgigfcr n −→ {AB ∈ Vn | A, B ∈ S} efabjnomyji dbgymhik} S w j M0 ∈ S efgalkgobjt igsvj oghvghi π(S) = {M0 , L(S)} e » ¼
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