- , , 2 .
:
ν(G) , .
ν(G)=m-n+1, m ; n .
ν(G)=5-4+1=2, .. 2 2 , .
: .
(12) .
- , . . . . . : , . , , . . . . . . . , . .
1) 1 n
2) n0 x, S^- (x)=0 .. . n1
3) . . , . . max , n
(11) . .
- . , - , . ν ( ) , ( ).
. n nn-2 .
() - ( , ), ( ), 1 ( ). , ( ) . (M, N, T) (M, N, T) |M| - 1= |N'| = k M k, a N' l k , u N' .
: J (M, N, T) l[j] (M, N, T) .
|
|
-
. G, . (xi)= 1, xi Xp, (xj)= 0 .
:
.
.
1) G = (x, U).
, U.
2)
,
G = (x, U) .
3)
G = (x, U) , , 2
4) x G = (x, U)
5)