Results 61 to 70 of about 14,168 (160)
Existence of periodic solutions for sub-linear first-order Hamiltonian systems
Electronic Journal of Differential Equations, 2015 We prove the existence solutions for the sub-linear first-order Hamiltonian system $J\dot{u}(t)+Au(t)+\nabla H(t,u(t))=h(t)$ by using the least action principle and a version of the Saddle Point Theorem.
Mohsen Timoumi
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Classification of Hamiltonian Linear Systems [PDF]
Indiana University Mathematics Journal, 1973 openaire +1 more source
NanomaterialsDynamical symmetries, time-dependent operators that almost commute with the Hamiltonian, extend the role of ordinary symmetries. Motivated by progress in quantum technologies, we illustrate a practical algebraic approach to computing such time-dependent ...
James R. Hamilton +2 more
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A Quantum Formalism for Abstract Dynamical Systems
MathematicsThis paper presents a quantum formulation for classical abstract dynamical systems (ADS), defined by coupled sets of first-order differential equations. They are referred to as “abstract” because their dynamical variables can be of different interrelated
Joan C. Micó
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Existence of infinitely many periodic solutions for second-order nonautonomous Hamiltonian systems
Electronic Journal of Differential Equations, 2015 By using minimax methods and critical point theory, we obtain infinitely many periodic solutions for a second-order nonautonomous Hamiltonian systems, when the gradient of potential energy does not exceed linear growth.
Wen Guan, Da-Bin Wang
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Subharmonic solutions of first-order Hamiltonian systems
Advances in Nonlinear AnalysisThe aim of this article is to study subharmonic solutions of superquadratic and asymptotically (constant) linear nonautonomous Hamiltonian systems in R2n{{\mathbb{R}}}^{2n} respectively, and to improve the results in Professor Liu’s [Subharmonic ...
Zhou Yuting
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Maslov index for Hamiltonian systems
Electronic Journal of Differential Equations, 2008 The aim of this article is to give an explicit formula for computing the Maslov index of the fundamental solutions of linear autonomous Hamiltonian systems in terms of the Conley-Zehnder index and the map time one flow.
Alessandro Portaluri
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Effective Mode Approximation for Probabilistic Verification of Collective Hamiltonians in Large Continuous-Variable Quantum Systems. [PDF]
Entropy (Basel)Rosas-Bustos JR +7 more
europepmc +1 more source
Ab Initio Polariton Spectra of ZnTPP Molecules Collectively Coupled Inside an Optical Cavity. [PDF]
J Am Chem SocWeight BM, Rury AS, Shao Y, Huo P.
europepmc +1 more source