ySEOeLXgzFcYκuΓT¨wvRΜθ`:ΝΜΈN01;Νi,jΈ4;ΝfΈF5;R(Μ,i,j;f)=4r=1 4s=1έ/έΜ(r)[g(Μ,r,s;f)‘(Μ,s,i,j;f)]-4r=1
4s=1έ/έΜ(j)[g(Μ,r,s;f)‘(Μ,r,i,s;f)]+4r=1 4s=1 4a=1 4b=1 g(Μ,a,b;f)g(Μ,r,s;f)‘(Μ,a,r,b;f)‘(Μ,s,i,j;f)-4r=1
4s=1 4a=1 4b=1 g(Μ,a,b;f)g(Μ,r,s;f)‘(Μ,a,r,j;f)‘(Μ,s,i,b;f),GΜθ`:ΝΜΈN01;Νi,jΈ4;ΝfΈF5;G(Μ,i,j;f)=R(Μ,i,j;f)-(1/2)g(Μ,i,j;f)4r=1
4s=1g(Μ,r,s;f)R(Μ,r,s;f)],³Μθ`:ΝΜΈN01;Νi,j,kΈ4;ΝxΈF3;ΝyΈF5;ΞEΈF03;E=V3(x(Μ, , ))and
³(Μ,i,j,k;x,y)=έ/έΜ(k)[4r=1 4s=1g(Μ,i,r;y)g(Μ,j,s;y)E(r,s)]-4r=1 4s=1g(Μ,r,j;y)‘(Μ,s,i,k;y)E(s,r)-4r=1
4s=1g(Μ,r,i;y)‘(Μ,s,j,k;y)E(r,s),¦Μθ`:ΝΜΈN01;ΝiΈ4;ΝxΈF2,n;ΝyΈF5;ΝqΈR({1,EEE,n});¦(Μ,i;x,y,q)=4j=1
nk=1q(k)g(Μ,i,j;y)/γ-det g(Μ, , ;y)[έ4x(Μ({4}),j,k)]Β(Μ(3)-x(Μ({4}), ,k)),T1Μθ`:ΝΜΈN01;Νi,jΈ4;ΝxΈF2,n;ΝyΈF5;ΝmΈR({1,EEE,n});ΞX,X'ΈR(4~{1,EEE,n});y1zandy2zy1zΝkΈ{1,EEE,n};X(4,k)=Μ(4)and
X(3,k)=x(Μ({4}), ,k)and X'(4,k)=1 and X'(3,k)=έ4x(Μ({4}), ,k)
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