Results 21 to 30 of about 293,764 (287)

Oscillation of linear Hamiltonian systems

open access: yesComputers & Mathematics with Applications, 2002
The authors investigate oscillatory properties of the linear Hamiltonian system \[ x'=A(t)x+B(t)u,\quad u'=C(t)x-A^T(t)u, \tag{*} \] where \(A,B,C\) are \(n\times n\)-matrices with continuous entries for \(t\in [t_0,\infty)\), \(B,C\) are symmetric and the matrix \(B\) is supposed to be positive definite.
Meng, Fanwei, Sun, Yuangong
openaire   +2 more sources

Linear port-Hamiltonian DAE systems revisited

open access: yesSystems & Control Letters, 2022
13 ...
Arjan van der Schaft, Volker Mehrmann
openaire   +4 more sources

Passive robust control for uncertain Hamiltonian systems by using operator theory

open access: yesCAAI Transactions on Intelligence Technology, 2022
In this study, the passivity‐based robust control and tracking for Hamiltonian systems with unknown perturbations by using the operator‐based robust right coprime factorisation method is concerned.
Ni Bu   +4 more
doaj   +1 more source

Lax Pairs for Linear Hamiltonian Systems [PDF]

open access: yesSiberian Mathematical Journal, 2019
In the paper Lax pairs for linear Hamiltonian systems of differential equations are constructed. In particular, Gr bner bases are used for the computations. It is proved that the maps which appear in the construction of Lax pairs are Poisson. Various properties of first integrals of the system which are obtained from the Lax pairs are investigated.
Zheglov, A. B., Osipov, D. V.
openaire   +3 more sources

A Lax Equation for the Non-Linear Sigma Model [PDF]

open access: yes, 2002
We propose a Lax equation for the non-linear sigma model which leads directly to the conserved local charges of the system. We show that the system has two infinite sets of such conserved charges following from the Lax equation, much like dispersionless ...
A Constandache   +36 more
core   +2 more sources

A DIFFERENTIAL INTEGRABILITY CONDITION FOR TWO-DIMENSIONAL HAMILTONIAN SYSTEMS

open access: yesActa Polytechnica, 2014
We review, restate, and prove a result due to Kaushal and Korsch [Phys. Lett. A 276, 47 (2000)] on the complete integrability of two-dimensional Hamiltonian systems whose Hamiltonian satisfies a set of four linear second order partial differential ...
Ali Mostafazadeh
doaj   +1 more source

Dissipative Linear Stochastic Hamiltonian Systems [PDF]

open access: yes2018 Australian & New Zealand Control Conference (ANZCC), 2018
This paper is concerned with stochastic Hamiltonian systems which model a class of open dynamical systems subject to random external forces. Their dynamics are governed by Ito stochastic differential equations whose structure is specified by a Hamiltonian, viscous damping parameters and system-environment coupling functions.
Vladimirov, Igor G., Petersen, Ian R.
openaire   +2 more sources

Bifurcation of Limit Cycles by Perturbing a Piecewise Linear Hamiltonian System

open access: yesAbstract and Applied Analysis, 2013
This paper concerns limit cycle bifurcations by perturbing a piecewise linear Hamiltonian system. We first obtain all phase portraits of the unperturbed system having at least one family of periodic orbits.
Yanqin Xiong, Maoan Han
doaj   +1 more source

New results for time reversed symplectic dynamic systems and quadratic functionals

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2012
In this paper, we examine time scale symplectic (or Hamiltonian) systems and the associated quadratic functionals which contain a forward shift in the time variable.
Roman Simon Hilscher, Petr Zemanek
doaj   +1 more source

Structural identifiability of linear Port Hamiltonian systems

open access: yesSystems & Control Letters, 2021
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Medianu, Silviu, Lefèvre, Laurent
openaire   +3 more sources

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