Conferències i seminaris | Congressos | Grups de recerca | Publicacions | Persones Persones
Xiang Zhang (Xina)
Publicacions
Extension of Floquet´s theory to nonlinear periodic differential systems and embedding diffeomorphisms in differential flows, 2000
LI, W.; LLIBRE, J. & ZHANG, X. *Extension of Floquet´s theory to nonlinear periodic differential systems and embedding diffeomorphisms in differential flows*. Publicacions del CRM, núm. 451 (2000)
Heteroclinic orbits for a class of Hamiltonian systems on Riemannian manifolds, 2008
LIU, F.; LLIBRE, J. & ZHANG, X. *Heteroclinic orbits for a class of Hamiltonian systems on Riemannian manifolds*. Publicacions del CRM, núm. 787 (2008)
Hopf bifurcation in higher dimensional differential systems via the averaging method, 2008
LLIBRE, J. & ZHANG, X. *Hopf bifurcation in higher dimensional differential systems via the averaging method*. Publicacions del CRM, núm. 788 (2008)
Invariant algebraic surfaces of the Belousov-Zhabotinskii systems, 2000
LLIBRE, J. & ZHANG, X. *Invariant algebraic surfaces of the Belousov-Zhabotinskii systems*. Publicacions del CRM, núm. 446 (2000)
Invariant algebraic surfaces of the Rikitake system, 2000
LLIBRE, J. & ZHANG, X. *Invariant algebraic surfaces of the Rikitake system*. Publicacions del CRM, núm. 442 (2000)
Local first integrals of differential systems and diffeomorphisms, 2000
LI, W.; LLIBRE, J. & ZHANG, X. *Local first integrals of differential systems and diffeomorphisms*. Publicacions del CRM, núm. 455 (2000)
Melnikov functions for period annulus, nondegenerate centers, heteroclinic and homoclinic Cycles, 2000
LI, W.; LLIBRE, J. & ZHANG, X. *Melnikov functions for period annulus, nondegenerate centers, heteroclinic and homoclinic Cycles*. Publicacions del CRM, núm. 449 (2000)
On the analytic integrability of the 5-dimensional Lorenz system for the gravity-wave activity, 2011
LLIBRE, J.; SAGHIN, R. & ZHANG, X. `On the analytic integrability of the 5-dimensional Lorenz system for the gravity-wave activity´. Submitted to *Proc. Of AMS* (2011)
On the differentiability of first integrals of two dimensional flows, 2000
LI, W.; LLIBRE, J.; NICOLAU, M. & ZHANG, X. *On the differentiability of first integrals of two dimensional flows*. Publicacions del CRM, núm. 448 (2000)
On the invariant algebraic surfaces of the Lorenz systems, 2000
LLIBRE, J. & ZHANG, X. *On the invariant algebraic surfaces of the Lorenz systems*. Publicacions del CRM, núm. 441 (2000)
On the number of limit cycles for some perturbed Hamiltonian polynomial systems, 1999
LLIBRE, J. & ZHANG, X. *On the number of limit cycles for some perturbed Hamiltonian polynomial systems*. Publicacions del CRM, núm. 429 (1999)
Planar analytic vector fields with generalized rational first integrals, 2000
LI, W.; LLIBRE, J. & ZHANG, X. *Planar analytic vector fields with generalized rational first integrals*. Publicacions del CRM, núm. 454 (2000)
Polynomial first integrals of quadratic systems, 1999
LLIBRE, J. & ZHANG, X. *Polynomial first integrals of quadratic systems*. Publicacions del CRM, núm. 428 (1999)
Rational first integrals in the Darboux theory of integrability in Cn, 2008
LLIBRE, J. & ZHANG, X. *Rational first integrals in the Darboux theory of integrability in Cn*. Publicacions del CRM, núm. 789 (2008)
Topological phase portraits of planar semi-linear quadratic vector fields, 1999
LLIBRE, J. & ZHANG, X. *Topological phase portraits of planar semi-linear quadratic vector fields*. Publicacions del CRM, núm. 430 (1999)