Results 11 to 20 of about 1,865,782 (225)

Gauge theory for finite-dimensional dynamical systems [PDF]

open access: green, 2007
Gauge theory is a well-established concept in quantum physics, electrodynamics, and cosmology. This theory has recently proliferated into new areas, such as mechanics and astrodynamics.
Pini GurŽfil
openalex   +4 more sources

Approximation of dynamical systems using S-systems theory : application to biological systems [PDF]

open access: green, 2005
In this paper we propose a new symbolic-numeric algorithm to find positive equilibria of a n-dimensional dynamical system. This algorithm implies a symbolic manipulation of ODE in order to give a local approximation of differential equations with power ...
Laurent Tournier
openalex   +6 more sources

A Case Study of Combined Application of Smart Materials in a ‎Thermal Energy Harvester with Vibrating Action [PDF]

open access: yesJournal of Applied and Computational Mechanics, 2021
This paper demonstrates a case study of a combined application of smart materials in a thermal energy harvester with vibrating action. The conceptual design of the harvester is based on a Shape Memory Alloy wire attached to the free end of a ...
Rosen Mitrev   +4 more
doaj   +1 more source

Learning Theory for Dynamical Systems

open access: yesSIAM Journal on Applied Dynamical Systems, 2023
The task of modelling and forecasting a dynamical system is one of the oldest problems, and it remains challenging. Broadly, this task has two subtasks - extracting the full dynamical information from a partial observation; and then explicitly learning the dynamics from this information.
Tyrus Berry, Suddhasattwa Das
openaire   +2 more sources

An Overview of the Hamilton–Jacobi Theory: the Classical and Geometrical Approaches and Some Extensions and Applications

open access: yesMathematics, 2021
This work is devoted to review the modern geometric description of the Lagrangian and Hamiltonian formalisms of the Hamilton–Jacobi theory. The relation with the “classical” Hamiltonian approach using canonical transformations is also analyzed ...
Narciso Román-Roy
doaj   +1 more source

Dimension reduction of dynamical systems on networks with leading and non-leading eigenvectors of adjacency matrices

open access: yesPhysical Review Research, 2022
Dimension reduction techniques for dynamical systems on networks are considered to promote our understanding of the original high-dimensional dynamics.
Naoki Masuda, Prosenjit Kundu
doaj   +1 more source

Time-averaging axion-like interacting scalar fields models

open access: yesEuropean Physical Journal C: Particles and Fields, 2021
In this paper, we study a cosmological model inspired in the axionic matter with two canonical scalar fields $$\phi _1$$ ϕ 1 and $$\phi _2$$ ϕ 2 interacting through a term added to its potential. Introducing novel dynamical variables, and a dimensionless
Saikat Chakraborty   +3 more
doaj   +1 more source

Dark Type Dynamical Systems: The Integrability Algorithm and Applications

open access: yesAlgorithms, 2022
Based on a devised gradient-holonomic integrability testing algorithm, we analyze a class of dark type nonlinear dynamical systems on spatially one-dimensional functional manifolds possessing hidden symmetry properties and allowing their linearization on
Yarema A. Prykarpatsky   +3 more
doaj   +1 more source

Discrete dynamical systems in group theory [PDF]

open access: yes, 2013
In this expository paper we describe an unifying approach for many known entropies in Mathematics. First we recall the notion of semigroup entropy h_S in the category S of normed semigroups and contractive homomorphisms, recalling also its properties ...
Bruno, Anna Giordano, Dikranjan, Dikran
core   +3 more sources

Kinetic Theory of Dynamical Systems [PDF]

open access: yes, 2000
35 pages, 10 figures (eps) + 1 LaTeX figure. Part of the proceedings of the 1998 NATO-ASI "Dynamics: Models and Kinetic Methods for Non-equilibrium Many-Body Systems." (see http://www.phys.uu.nl/~zon/leiden.html)
Zon, R. van   +2 more
openaire   +4 more sources

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