# " "V
' " "
/ '
& <<[ <), (
! 6& : &%9 6& 5< 4
< &6 [ 5< 4 <;7)6 4 Γ 4
& 6
*
*
) ' * ' ( *$%&; ΓI J &t)1 t K /' BB (
?$ 9 6 9 2 : % 2 @ & 61 m 5 6 ' 4 & ( 6 %$8 %&$& 6 : V %<$78 2 : (
' &%9 : # :$7 # # 4 <$5,
|
|
|
|
|
|
VI |
_F |
|
&<[ =) |
--------- |
|
|
|
_sF |
|
|
: # : # # : <; |
$# &$, |
|
′ ² |
|
|
|
VI |
--------------------- |
&<[ <4) |
|
|
′ |
P |
|
y " # !
t + s
_
! !-----
_s
+ "
sI s&t) t 4 s H Γ
! ' &
F F <S H) + '
_
I -_----s- ((
|
|
|
|
|
_ |
_F |
|
( ' *----- |
I--------- |
|
|
|
|
|
_s |
_sF |
|
V I |
|
-_----t- |
|
I |
-_---F---b-- & &<[ [)) |
|
|
|
|
_s |
|
|
_sF |
|
|
. &<[ =)
! ( &<[ <4)
_F |
I |
_ |
_ |
I |
_sF |
_s |
(<[ >) V _s |
--------- |
|
----- |
------ |
|
9V 4
"
|
_F |
|
|
|
|
|
|
|
|
|
|
|
_ |
|
IVQ Q IV |
&<[ <<) |
|
--------- |
------ |
|
|
_s |
F |
|
_s |
|
|
|
|
|
|
|
|
|
|
_F |
|
|
_ |
t, |
--------- |
------ |
|
|
|
|
_s |
F |
|
_s |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
_ |
|
|
|
_t |
|
¢ |
|
|
|
|
------ |
I $----- |
I---- |
|
|
|
|
_s |
|
|
|
_s |
|
s¢ |
|
|
|
_F |
|
_ |
æ ′ |
ö |
s¢ ² F s² ¢ _t |
s¢ ² F s² ¢ |
&<[ <F) |
|
|
--------- I------ |
---- |
ø |
I--------------------------- ----- |
I--------------------------- |
|
|
_s |
F |
|
_s |
ès¢ |
|
s¢ |
F |
|
_s |
|
s¢ |
P |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
! |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
_F |
_ |
|
I |
|
s¢ ² |
F ² ¢ |
¢ |
|
I |
|
¢ ² |
|
|
¢ ² |
|
|
|
|
|
|
|
|
|
|
--------- |
------ |
|
|
--------------------------- |
---- |
|
|
------------------ |
I--------------------- &<[ <P) |
|
_sF |
_s |
|
|
|
|
s¢P |
s¢ |
|
|
|
|
s¢P |
|
|
|
¢ |
|
P |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ $I"Qs$Q(<S <P)Q $Q
" &<[ <<) &<[ <P) '
' (
&<[ <4)
5 ( &<[ <4)
$ I & $ $ J$) %I & % % J%)
$ %I ¢ ¢ J¢² ² J²
& /
• • •J)
Q $ %Q I |
|
I ( ¢J² F ²J¢)F T (J¢ ² F J² ¢)F T ( ¢ ² F ² ¢)F |
&<[ <R) |
|
|
Q $Q I ¢F T ¢F T J¢F |
&<[ <H) |
+ &<[ <R) &<[ <H) &<[ <4)
%
, " 3 -6; 3 3
7
_F |
|
<_F |
|
|
--------- |
' I ------------ |
_s |
F |
V_s |
F |
|
|
|
|
!σ /
σIHUs
_s |
I U< |
|
|
|
|
|
------ |
|
|
|
|
|
_s |
|
|
|
|
|
|
|
_Fb |
_Fb |
æ_söF |
_F |
|
|
-------- |
I--------- |
------ |
ø |
I--------- |
|
_sF |
_sF |
è_s |
_sF |
|
%96 9 # 9 9[ # @ 98 9 : & 6$ 6 4 # # 6$<9 9 6 % & <; 4 >& 4 & 6 [ ( : &%9 <;7 6 6 4 4 & 6 1. <; 6 6 4[ # << <; 9 6&$I[ : &%9 5< 4 (
<;71
s 4 !
" ! sF
& >S) !
s ( - ( & <H F) !
I &s4T s) U &s4) I
I_b(s4)
----------------
_s
< |
_F (s4) |
s |
F |
s |
F |
) s 4 |
&<[ <S) |
sT-- |
-------------------- |
T‚& |
|
F |
_sF |
|
|
|
|
|
|
& <[ >))
_ |
_F |
_ |
! V |
&<[ <[) |
------ |
It[ --------- |
I------ |
_s |
_sF |
_s |
|
|
< |
V s |
F |
F |
U s I-- |
T & |
s ) s 41 |
F |
|
|
|
< V sFW 4 ' (
--
F
#
---------
V sI T •( sF)
F
D
&s)
&s4)
4
7 >S
+*< %6 %&;[ # @ 98 9 : 6 % & <; $75< $7 <; 4 & 6 6 4[ : &%9 % (
# 6 % 78 4%9 #< %6 %&;71
' *
"V 4
!
((
$%
*
&s4T s) &s4) T
! sF
&<[ <S),
&s |
|
T |
s) Uæ |
&s ) T |
< |
F |
F |
4 |
s T-- |
V s |
öI & s ) |
|
|
è |
4 |
F |
|
ø |
; *
I &t)
t0 #t! ! # "s /
I &s)sIs&t) & &<[ <[))
|
|
_ |
|
|
|
|
$I------ s$Is$ |
|
|
|
_s |
|
|
|
%Is′ |
F _ |
Ts% Is′ |
F |
V Ts% |
&<[ <>) |
----- |
|
|
_s |
|
|
|
|
|
|
( ! * |
|
( &<[ <F) |
|
|
|
5 $ % |
|
|
|
|
* 1 |
V 4
$ ´ % 4 & &<[ <4))
$ %5!
4 |
|
′ ² $ % |
|
4 |
4 |
4 |
7 >> |
( |
|
G / * |
* 1 #
U 4 ¢ ² !
4 4
* & >[),
& U 4 ¢ ²) I 4
4 4
# * ! ,
|
|
|
F 4 F 4 J F J4 |
|
|
|
|
|
|
|
|
|
¢ |
¢ |
|
J¢ |
|
I 4 |
|
|
|
|
|
|
|
|
4 |
|
4 |
|
|
|
|
|
|
|
|
|
|
² |
² |
|
J² |
|
|
|
|
|
|
|
|
|
|
4 |
4 |
|
4 |
|
|
|
|
|
|
I & J) |
I & J |
4 |
) ¢ |
I & ¢ |
¢ J¢ ) % I |
|
|
4 |
|
4 |
4 |
|
4 |
4 |
4 |
4 |
4 |
I & ² ² J²) |
|
|
|
|
|
|
|
|
|
|
|
4 |
4 |
4 |
|
|
|
|
|
|
|
|
|
|
|
|
, ! G 9 # 6 1
,m 6# %& %& [< ' 8 9 5< 4
< [ # 4 4 & 6 6 4[ @ 9( 8 9%9 & >& 4 & 6 6 4 %%& 9 [
$%$6 : o[ # < 6& 5< 4 ( < [ : &%9 ? & 6 : 6 4$6 : (
4 & 6& >>) -! /
!
I To
< |
|
|
< |
|
_ |
|
<_F |
|
|
|
|
oI-- |
(<[ >) |
-- |
|
----- |
|
I-- --------- |
V |
|
V |
|
_s |
|
V_sF |
|
< _F |
|
&<[ <=) |
I T----- --------- |
VF _sF |
|
|
;
(t'
# (
_F
-_----s---F- t& &<[ <F))
< s¢ ² F s² ¢ |
|
&<[ F4) |
I T----- --------------------------- |
VF |
s′P |
|
|
&t
s&t) )s$I Q $Q I ′F T ′F T J′F
¢ ² T ¢ ² T J¢J² s%I-------------------------------------------------
′F T ′F T J′F
. &<[ <=)
"
> <7& 4
, % 3 9
# 6 1 1
*
" " 9 #
ΓI J &t)K
( &t) "
' !
* ( I &tT t) U
|
5 |
U &t) ' #----- |
t |
|
|
|
' " # $ I |
j_s |
|
|
----- |
|
t → 4 |
t |
|
+ $
%"
3
$
V 4
+ ' ' *
|
|
|
x |
|
Da |
x4 |
|
α |
a T Da |
4 |
|
7 >= |
|
<[ F |
5
ΓI J &s)1 4 s HK
* •
<[ F α&s) !
!
b&s) • & >=)ΔαIα&s4T s) Uα&s4)
"b &s4)b &s4T s)
|
|
|
a |
4 |
Cα s ------ |
s W 4 |
|
|
Ds |
|
Da |
_a |
|
|
VI j_s |
1 |
|
------ |
I------- |
|
s → 4 |
Ds |
_s |
|
|
α!s
VI U j_s |
Da |
_a |
|
------ |
I U------- |
s → 4 |
Ds |
_s |
|
9 # ( " *ΓI J &t)1 t K
• , &t) I & &t) &t)) 3 ( &<[ <4) &<[ <R) &<[ <H)
< |
¢ ² F ² ¢ |
|
VI--- |
I ------------------------------------ |
&<[ F<) |
o |
( ¢ |
F |
T ¢ |
F |
PgF |
|
|
|
) |
|
|
5! &ξ η)Γ(
&<[ <=) ( *ξη s,
ξI To |
F _F |
ηI To |
F_F |
|
|
--------- |
--------- |
|
_s |
F |
|
_s |
F |
|
|
|
|
|
|
( &<[ F4) ( *
t,
|
|
|
|
|
|
² ¢ |
F |
T ¢ |
F |
¢ ² T ¢ ² |
|
|
|
|
|
|
P |
|
|
F ¢------------------------------- |
|
( ¢ |
F |
T ¢ |
F |
) |
|
|
|
|
|
¢ |
F |
T ¢ |
F |
|
|
|
|
|
|
|
|
|
|
|
I |
ξI T-------------------------------------- ------------------------------------------------------------------------------- |
( ¢ ² F ² ¢)F |
|
|
|
( ¢F T ¢F)PgF |
|
|
|
|
|
|
I U $ |
¢F |
T ¢F |
1 |
|
|
|
&<[ FF) |
|
|
------------------------------ |
|
|
|
|
|
|
|
|
|
|
¢ ² |
F ² |
¢ |
|
|
|
|
|
ηI T $ |
¢F T ¢F |
|
&<[ FP) |
------------------------------ |
|
¢ ² F ² ¢ |
|
|
)*+,-./.0/ + G / ((
! ! "a /
|
O |
I |
_α |
|
O |
O |
|
|
< |
+xI |
• V |
-_----s-- |
& QV |
Q IV)o |
I ----- |
|
|
|
|
|
|
|
|
VO |
|
|
O |
|
|
|
O |
xI U |
_ |
|
_ |
|
I Uo |
`_b a hI To cf` a |
_-----α-- |
hI T------- |
|
|
|
|
|
|
|
|
|
_α |
|
( (
IA& ) ( &<[ F<) &<[ FF) &<[ FP)
|
|
² |
|
|
|
|
VI------------------------------- |
|
|
&<[ FR) |
|
( |
< T ¢F)P/ F |
|
|
|
ξI U |
< T ¢F |
|
< T ¢F |
|
&<[ FH) |
-----------²------- |
$ ηI T------------------ |
|
|
² |
|
|
; ' !
I F W 4
9 $I F %I F ( &<[ FR)
F |
|
|
|
|
|
|
VI ---------------------------------------- E ! ' |
(< T R F |
F)P/ F |
|
|
|
|
|
( &<[ FH), |
|
|
|
|
|
< T R F F |
F I UR |
F P |
|
ξI U--------------------------- |
|
|
|
|
|
F |
|
|
|
ηI |
F |
T |
< T R F |
F S F F |
T < |
|
|
-----------F------------ |
---- I--------------------------- |
|
|
|
|
F |
|
+ '!
:
' '
P |
ξ |
|
F |
F h F < |
|
|
I U--------- |
I --------------------- |
|
R |
F |
|
S |
F |
|
|
|
|
|
|
/ !
æ |
ξ |
ö |
F |
æ |
F h F < |
ö |
P |
|
----- |
|
--------------------- |
|
|
è R F ø |
|
Iè |
S F |
ø |
|
|
R |
|
æ |
< |
P/ F |
ξI -- |
-- |
ηU------ ö |
|
P |
P |
è |
F ø |
|
! =4
& F <R P) ! !
; ' ' I cf` tI `_b t W 4
9 $I U `_b t $I cf` t %I U cf` t %I I U `_b t( &<[ F<)
< |
( F `_bFt |
T F cf`Ft)P/ F |
( F |
`_bFt T F cf`Ft)P/ F |
|
oI-- |
I-------------------------------------------------------------- |
I-------------------------------------------------------------- |
V |
F |
t T cf` |
F |
t |
|
|
|
|
`_b |
|
|
|
|
+ ' ( &<[ FF) &<[ FP)
ξI cf` tU cf` t |
F |
`_bFt T F cf`Ft |
F |
F F |
|
P |
t |
-- |
------ |
|
- - - - - - - - - - - - - - - - - - - - - - - |
------------------ |
I------------------- cf` |
|
|
|
|
|
|
|
|
|
|
|
|
|
ηI `_b tU `_b t |
F |
` _ b F t T |
F cf`Ft |
F |
F F |
`_b |
P |
t |
------ |
------------------------- |
|
------------------ |
I------------------- |
|
|
|
|
|
|
|
|
|
|
|
|
/ ' 1
t #
FgP ",
& ξ)FgPT & η)FgPI & FU F)FgP
%& 4& =<)
; ' &
<S F <S R),
Ib &tU `_b t) Ib &< U cf` t) 4 t Fp
CsIs&t) /
s$I |
¢ |
F |
T ¢ |
F |
Ib |
(< F cf`t) |
F |
F |
t |
&<[ FS) |
|
|
|
T `_b t I Fb `_b -- |
|
|
|
|
|
|
|
|
|
F |
|
a!
! ( a I pgF U tgF &
<S R)a$I U<gF '
< |
I |
|
_s |
|
I |
|
s′ |
|
I Rb`_b |
t |
|
&<[ F[) |
|
|
|
|
oIV |
|
_α |
|
|
α′ |
|
F |
-- |
|
|
------- |
|
|
|
---- |
|
|
-- |
|
|
C x
* ! "
' & =F) x *
! +
x & S R)x
t
! + ' Qx Q I Fb `_b -F-
Ðx I a I pgF U tgF @oI FQx Q 5 ! "
'x