Preprints 1996

1. On the persistence of lower dimensional invariant tori under quasiperiodic perturbations
   Àngel Jorba, Jordi Villanueva
   Journal of Nonlinear Science 7, pp. 427-473 (1997).
   This is the preprint version:
   Abstract (ASCII file), gzipped PostScript (165 Kb), zipped version (140 Kb).

2. Exponentially small splitting of separatrices under fast quasiperiodic forcing
   Amadeu Delshams, Vassili Gelfreich, Àngel Jorba, Tere M.Seara
   Final version: see 1997, n. 3.

3. Splitting of separatrices for (fast) quasiperiodic forcing
   Amadeu Delshams, Vassili Gelfreich, Àngel Jorba, Tere M.Seara
   C. Simó, editor, Hamiltonian Systems with Three or More Degrees of Freedom, volume 533 of NATO Adv. Sci. Inst. Ser. C Math. Phys. Sci., pp. 367-371. Kluwer, Dordrecht, 1999
   Abstract (ASCII file), gzipped PostScript (42 Kb), zipped version (42 Kb).

4. Estimates on invariant tori near an elliptic equilibrium point of a Hamiltonian system
   Amadeu Delshams, Pere Gutiérrez
   J. Differential Equations 131, pp. 277-303 (1996).
   Abstract (ASCII file), gzipped PostScript (92 Kb), zipped version (94 Kb).

5. Melnikov potential for exact symplectic maps
   Amadeu Delshams, Rafael Ramírez-Ros
   Final version: 1997, n. 20

6. Lower and upper bounds for the splitting of separatrices of the pendulum under a fast quasiperiodic forcing
   Amadeu Delshams, Vassili Gelfreich, Àngel Jorba, Tere M.Seara
   Final version: see 1997, n. 4.

7. Psi-Series, Singularities of Solutions and Integrability of Polynomial Systems
   Arnau Mir, Amadeu Delshams,
   C. Simó, editor, Hamiltonian Systems with Three or More Degrees of Freedom, volume 533 of NATO Adv. Sci. Inst. Ser. C Math. Phys. Sci., pp. 504-508. Kluwer, Dordrecht, 1999.
   Abstract (ASCII file), gzipped PostScript (29 Kb), zipped version (30 Kb).

8. Splitting of separatrices in Hamiltonian systems with one and a half degrees of freedom
   Amadeu Delshams, Tere M.Seara
   Final version: 1997, n. 21

9. On the Normal Behaviour of Partially Elliptic Lower Dimensional Tori of Hamiltonian Systems
   Àngel Jorba, Jordi Villanueva
   Nonlinearity 10, pp. 783-822 (1997).
   This is the preprint version:
   Abstract (ASCII file), gzipped PostScript (247 Kb), zipped version (253 Kb), LaTex 2.09, gzipped(45 Kb)

10. Psi-Series of Quadratic Vector Fields on the Plane
    Amadeu Delshams, Arnau Mir
    Final version: see 1997, n. 5.

11. Renormalization of complex polynomials

Núria Fagella
In "Renormalizations, Proceedings of a workshop", IHP 1996,
Ed. Sylvie Payscha, pp 40-51..
Abstract (ASCII file), gzipped PostScript (503 Kb) (13083 Kb uncompressed),
12. Homeomorphisms between limbs of the Mandelbrot set

Bodil Branner, Núria Fagella
Preprint (1996).
To appear in Journal of Geometric Analysis.
Abstract (ASCII file), gzipped PostScript (1770 Kb) (35246 Kb uncompressed),
13. Homoclinic orbits in the complex domain
    V. F.Lazutkin, C. Simó
    Int. J. on Bifurcation & Chaos, 7, 1997, 253-274
    This is the preprint version:
    Abstract (ASCII file), gzipped PostScript (9215 Kb), zipped version (9527 Kb)

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