We consider the nonlinear wave equation u(tt) - u(xx) = +/- u(3) and the beam equation u(tt) + u(xxxx) = +/- u(3) on an interval. Numerical observations indicate that time-periodic solutions for these equations are organized into structures that resemble branches and seem to undergo bifurcations. In addition to describing our observations, we prove the existence of time-periodic solutions for various periods (a set of positive measure in the case of the beam equation) along the main nontrivial "branch." Our proofs are computer-assisted.
机构:
School of Mathematics and Information Science, Guangzhou University, GuangzhouSchool of Mathematics and Information Science, Guangzhou University, Guangzhou
Yang R.
Deng X.
论文数: 0引用数: 0
h-index: 0
机构:
School of Mathematics and Information Science, Guangzhou University, GuangzhouSchool of Mathematics and Information Science, Guangzhou University, Guangzhou
机构:
Univ Politecn Cartagena, Dept Matemat Aplicada & Estadist, Cartagena 30202, Region De Murci, SpainUniv Politecn Cartagena, Dept Matemat Aplicada & Estadist, Cartagena 30202, Region De Murci, Spain
Guirao, Juan L. G.
Llibre, Jaume
论文数: 0引用数: 0
h-index: 0
机构:
Univ Autonoma Barcelona, Dept Matemat, Barcelona 08193, Catalonia, SpainUniv Politecn Cartagena, Dept Matemat Aplicada & Estadist, Cartagena 30202, Region De Murci, Spain
Llibre, Jaume
Vera, Juan A.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Politecn Cartagena, Ctr Univ Defensa, Acad Gen Aire, Santiago De La Ribera 30720, Region De Murci, SpainUniv Politecn Cartagena, Dept Matemat Aplicada & Estadist, Cartagena 30202, Region De Murci, Spain
Vera, Juan A.
Wade, Bruce A.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Louisiana, Dept Math, POB 43568, Lafayette, LA 70504 USAUniv Politecn Cartagena, Dept Matemat Aplicada & Estadist, Cartagena 30202, Region De Murci, Spain