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Articles 13 registres trobats  anterior11 - 13  anar al registre: La cerca s'ha fet en 0.00 segons. 
11.
9 p, 309.3 KB Polynomial integrability of the Hamiltonian systems with homogeneous potential of degree -2 / Llibre, Jaume (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; Mahdi, Adam (University of North Carolina at Charlotte. Mathematics Department) ; Valls, Clàudia 1973- (Universidade Técnica de Lisboa. Departamento de Matemática)
We characterize the analytic integrability of Hamiltonian systems with Hamiltonian H = 1/ 2 2∑ i=1 p 2 i + V (q1, q2), having homogeneous potential V (q1, q2) of degree −2.
2011 - 10.1016/j.physleta.2011.03.042
Physics Letters. A, Vol. 375 (2011) , p. 1845-1849  
12.
15 p, 852.9 KB Polynomial integrability of the Hamiltonian systems with homogeneous potential of degree -3 / Llibre, Jaume (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; Mahdi, Adam (University of North Carolina at Charlotte. Mathematics Department) ; Valls, Clàudia 1973- (Universidade Técnica de Lisboa. Departamento de Matemática)
In this paper we study the polynomial integrability of natural Hamiltonian systems with two degrees of freedom having a homogeneous potential of degree k given either by a polynomial, or by an inverse of a polynomial. [...]
2011 - 10.1016/j.physd.2011.09.003
Physica D. Nonlinear phenomena, Vol. 240 (2011) , p. 1928-1935  
13.
4 p, 255.2 KB Centers on center manifolds in the Lu system / Mahdi, Adam (University of North Carolina at Charlotte. Mathematics Department) ; Pessoa, Claudio (Universidade Estadual Paulista(Brazil)) ; Shafer, Douglas S. (AGH University of Science and Technology(Poland). Faculty of Applied Mathematics)
We confirm a conjecture of Mello and Coelho [Physics Letters A 373 (2009) 1116-1120] concerning the existence of centers on local center manifolds at equilibria of the Lü system of differential equations on R3. [...]
2011 - 10.1016/j.physleta.2011.08.022
Physics Letters. A, Vol. 375 (2011) , p. 3509-3511  

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