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Silvia Vilari˜no Fernández NUEVAS APORTACIONES AL ESTUDIO ...

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A continuación multiplicamos la expresión anterior por la matriz ∂(Φ−1 ) i <br />

<br />

así de (A.20) y (A.21) obtenemos<br />

2 ∂ L<br />

0 = {−<br />

−<br />

−<br />

−<br />

−<br />

∂ 2 L<br />

<br />

∂Φk ∂qj <br />

<br />

∂Φk ∂v j<br />

<br />

<br />

B<br />

∂Φk <br />

<br />

<br />

<br />

<br />

l ∂Φ<br />

<br />

<br />

∂v s D<br />

∂qk∂v l +<br />

A<br />

Φ(t) φ (1) (t)<br />

∂2L ∂vk C∂vl ∂Φ<br />

<br />

A<br />

Φ(t)<br />

k C<br />

∂qj <br />

<br />

φ (1) (t) ∂vi ∂φ<br />

<br />

E φ (1) (t)<br />

j<br />

∂tA <br />

<br />

t<br />

∂qk∂v l <br />

<br />

+<br />

A<br />

Φ(t) φ (1) (t)<br />

∂2L ∂vk C∂vl <br />

∂Φ<br />

<br />

A<br />

Φ(t)<br />

k C<br />

∂v j<br />

l<br />

∂Φ<br />

<br />

φ (1) (t) ∂v B<br />

i <br />

∂<br />

<br />

E φ (1) (t)<br />

2φj ∂tA∂tB <br />

<br />

<br />

t<br />

∂ 2 L<br />

∂Φ l<br />

∂q j<br />

<br />

<br />

∂qk∂v l <br />

A<br />

Φ(t) ∂vi <br />

E φ (1) (t) ∂vk C∂vl ∂Φ<br />

<br />

A<br />

Φ(t)<br />

k C<br />

∂vi <br />

E φ (1) (t)<br />

<br />

∂φ<br />

<br />

φ (1) (t)<br />

j<br />

∂tA <br />

∂<br />

<br />

t<br />

φ (1) (t)<br />

2φj ∂tA∂tB <br />

<br />

)<br />

t<br />

∂H<br />

∂qj <br />

<br />

− ∂Φl<br />

∂v j<br />

B<br />

∂Φj <br />

<br />

+ ∂2 L<br />

<br />

<br />

} ∂(Φ−1 ) i <br />

E <br />

<br />

F L(Φ(φ (1) (t))) ∂vi <br />

E φ (1) (t) ∂vs D<br />

+ δk s δC ∂<br />

D<br />

2L ∂vk C∂vl <br />

<br />

(<br />

A<br />

Φ(t)<br />

∂H<br />

∂pA <br />

<br />

<br />

l<br />

F L(Φ(φ (1) (t)))<br />

= { ∂2 L<br />

−<br />

−<br />

+<br />

<br />

<br />

∂vi E∂vj <br />

φ (1) (t)<br />

A<br />

∂ 2 L<br />

<br />

<br />

∂φj ∂tA <br />

<br />

∂Φk <br />

<br />

t<br />

∂qk∂v l <br />

A<br />

Φ(t) ∂vi <br />

E φ (1) (t)<br />

∂H<br />

∂qj <br />

<br />

∂Φj <br />

<br />

+ ∂2 L<br />

<br />

F L(Φ(φ (1) (t))) ∂vi <br />

E φ (1) (t)<br />

∂2L ∂vs D∂vl <br />

<br />

(<br />

A<br />

Φ(t)<br />

∂H<br />

∂pA <br />

<br />

<br />

l<br />

F L(Φ(φ (1) (t)))<br />

<br />

<br />

= 0 ∂(Φ−1 ) i E<br />

∂vs <br />

D Φ(φ (1) (t))<br />

∂<br />

+<br />

2L ∂vs D∂vl <br />

<br />

(<br />

A<br />

Φ(t)<br />

∂H<br />

∂pA <br />

<br />

<br />

l<br />

F L(Φ(φ (1) (t)))<br />

∂<br />

=<br />

2L ∂vs D∂vl <br />

<br />

(<br />

A<br />

Φ(t)<br />

∂H<br />

∂pA <br />

<br />

<br />

l<br />

F L(Φ(φ (1) (t)))<br />

<br />

<br />

<br />

<br />

Φ(φ (1) (t))<br />

− ∂Φl<br />

∂q j<br />

<br />

<br />

φ (1) (t)<br />

<br />

<br />

∂vk C∂vl ∂Φ<br />

<br />

A<br />

Φ(t)<br />

k C<br />

∂vi <br />

E φ (1) (t)<br />

} ∂(Φ−1 ) i <br />

E <br />

∂v s D<br />

− ∂Φl<br />

∂q j<br />

− ∂Φl<br />

∂q j<br />

− ∂Φl<br />

∂q j<br />

Φ(φ (1) (t))<br />

<br />

<br />

φ (1) (t)<br />

<br />

<br />

φ (1) (t)<br />

<br />

<br />

φ (1) (t)<br />

∂φj ∂tA <br />

<br />

t<br />

∂φj ∂tA <br />

<br />

<br />

t<br />

∂φj ∂tA <br />

<br />

<br />

t<br />

<br />

( ∂H<br />

∂p A l<br />

∂φj ∂tA <br />

<br />

t<br />

∂H<br />

∂p A l<br />

− ∂Φl<br />

∂v j<br />

B<br />

− ∂Φl<br />

∂v j<br />

− ∂Φl<br />

∂v j<br />

B<br />

<br />

<br />

F L(Φ(φ (1) (t)))<br />

− ∂Φl<br />

∂v j<br />

B<br />

<br />

<br />

<br />

<br />

<br />

Φ(t)<br />

361<br />

∂<br />

<br />

φ (1) (t)<br />

2φj ∂tA∂tB <br />

<br />

t<br />

<br />

<br />

F L(Φ(φ (1) (t)))<br />

<br />

)<br />

∂<br />

<br />

φ (1) (t)<br />

2φj ∂tA∂tB <br />

<br />

t<br />

<br />

<br />

)<br />

∂<br />

<br />

φ (1) (t)<br />

B<br />

2φj ∂tA∂tB <br />

<br />

t<br />

<br />

∂<br />

<br />

φ (1) (t)<br />

2φj ∂tA∂tB <br />

<br />

<br />

t<br />

donde comparando el primer y el último término de la cadena de igualdades ante-<br />

)<br />

y<br />

<br />

)

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