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and the holomorphic structure at (α, −1) ∼ (α, 1) being given by the map<br />
{ζ ∈�|Re ζ ≥ 0, |ζ| < ǫ} → Σ K �<br />
2 α − i + ζ if Imζ ≥ 0,<br />
G(α), ζ ↦→<br />
α + i + ζ2 if Imζ ≤ 0.<br />
Here ǫ is a positive number smaller than 1 and √ α.<br />
Given γ ∈ PΘ (L1 ⊕L2) and x ∈ PΛ (H1#H2), we consider the space M K G (γ, x) of pairs (α, u)<br />
where α is a positive number and u ∈ C∞ (ΣK G (α), T ∗M) solves the equation<br />
∂J,H1#H2(u) = 0,<br />
satisfies the boundary conditions<br />
� π ◦ u(s, −1) = π ◦ u(s, 0 − ) = π ◦ u(s, 0 + ) = π ◦ u(s, 1),<br />
u(s, 0 − ) − u(s, −1) + u(s, 1) − u(s, 0 + ) = 0,<br />
and the asymptotic condition<br />
∀s ∈ [0, α],<br />
(π ◦ u(0, · − 1), π ◦ u(0, ·)) ∈ W u (γ, −gradËΘ L1⊕L2 ),<br />
lim u(s, 2t − 1) = x(t),<br />
s→+∞<br />
uniformly in t ∈ [0, 1]. The following result is proved in section 5.10.<br />
4.8. Proposition. For a generic choice of J1, J2, and gΘ , M K G (γ, x) - if non-empty - is a smooth<br />
manifold of dimension<br />
dim M K G (γ, x) = mΘ (γ; L1 ⊕ L2) − µ Λ (x; H1#H2) + 1.<br />
The projection (α, u) ↦→ α is smooth on M K G (γ, x). These manifolds carry coherent orientations.<br />
The elements (α, u) of M K G (γ, x) satisfy the energy estimate<br />
�Ê×]−1,1[\{0}×[0,α]<br />
|∂su(s, t)| 2 ds dt ≤ËL1⊕L2(γ) −�H1#H2(x).<br />
This provides us with the compactness which is necessary to define the homomorphism<br />
P K G : Mj(ËΘ L1⊕L2 , g Θ ) −→ F Λ j+1(H1#H2, J),<br />
by the usual counting procedure applied to the spaces M K G . A standard gluing argument shows<br />
that P K G is a chain homotopy between KΘ and G ◦ ΦΘ L1⊕L2 .<br />
4.6 Comparison between C, EV, I! and c, ev, i!<br />
In section 2.5 we have shown that the two upper squares in the diagram<br />
Hj(M)<br />
∼ =<br />
c∗<br />
��<br />
Hj(Λ(M))<br />
ev∗<br />
��<br />
��<br />
��<br />
HMc<br />
HjM(f, gM) ��<br />
HjM(ËΛ<br />
�<br />
L , g<br />
�����<br />
���<br />
HC �����<br />
Λ )<br />
��<br />
HΦΛ<br />
HMev ��<br />
HjM(f, gM)<br />
L<br />
HjF Λ ��<br />
���<br />
���<br />
���<br />
HEv<br />
���<br />
(H, J)<br />
∼ =<br />
51<br />
��<br />
Hj(M)<br />
∼=