Articles with "diffusion systems" as a keyword



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Convergence to Equilibrium in Energy-Reaction–Diffusion Systems Using Vector-Valued Functional Inequalities

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Published in 2018 at "Journal of Nonlinear Science"

DOI: 10.1007/s00332-017-9427-9

Abstract: We discuss how the recently developed energy dissipation methods for reaction diffusion systems can be generalized to the non-isothermal case. For this, we use concave entropies in terms of the densities of the species and… read more here.

Keywords: diffusion systems; reaction diffusion; equilibrium; energy ... See more keywords
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Programming Methods for DNA-Based Reaction–Diffusion Systems

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Published in 2020 at "New Generation Computing"

DOI: 10.1007/s00354-020-00094-z

Abstract: In this tutorial, recent development of pattern generation algorithms based on DNA computing will be overviewed. Natural pattern generation, especially in biological organisms, are often driven by spatio-temporal chemical reactions. Various reaction–diffusion systems have been… read more here.

Keywords: diffusion; dna; diffusion systems; reaction diffusion ... See more keywords
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Mathematical modelling of pattern formation in activator–inhibitor reaction–diffusion systems with anomalous diffusion

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Published in 2019 at "Journal of Mathematical Chemistry"

DOI: 10.1007/s10910-019-01089-y

Abstract: Auto-wave solutions in nonlinear time-fractional reaction–diffusion systems are investigated. It is shown that stability of steady-state solutions and their subsequent evolution are mainly determined by the eigenvalue spectrum of a linearized system and level of… read more here.

Keywords: diffusion; activator inhibitor; anomalous diffusion; diffusion systems ... See more keywords
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Pointwise-in-space stabilization and synchronization of a class of reaction–diffusion systems with mixed time delays via aperiodically impulsive control

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Published in 2017 at "Nonlinear Dynamics"

DOI: 10.1007/s11071-017-3420-6

Abstract: This paper investigates the problems of pointwise-in-space stabilization and synchronization of semilinear reaction–diffusion systems with Dirichlet boundary conditions and mixed delays via impulsive control. Combining impulse time-dependent Lyapunov function/functional-based methods, descriptor system approach, the Wirtinger’s… read more here.

Keywords: space; pointwise space; diffusion systems; space stabilization ... See more keywords
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An Analytical Studies of the Reaction- Diffusion Systems of Chemical Reactions

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Published in 2021 at "International Journal of Applied and Computational Mathematics"

DOI: 10.1007/s40819-021-01028-z

Abstract: Reaction–diffusion systems are seen in not only many fields of science but also social behaviorus. In this work, Schnakenberg, Brusselator and Lengyel–Epstein models are considered that are the best known the chemical reaction–diffusion models and… read more here.

Keywords: reaction diffusion; diffusion systems; analytical studies; diffusion ... See more keywords
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Some exact time-domain results related to reversible reaction–diffusion systems

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Published in 2020 at "Chemical Physics"

DOI: 10.1016/j.chemphys.2020.110955

Abstract: Abstract We consider a closed two-state model that can represent reversible reaction–diffusion systems. The dynamics of the reacting species are governed by coupled Smoluchowski equations. The potential curves are assumed to be flat, and the… read more here.

Keywords: time; reversible reaction; diffusion systems; reaction diffusion ... See more keywords
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Controllability of shadow reaction-diffusion systems

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Published in 2020 at "Journal of Differential Equations"

DOI: 10.1016/j.jde.2019.10.012

Abstract: Abstract We study the null controllability of linear shadow models for reaction-diffusion systems arising as singular limits when the diffusivity of some of the components is very high. This leads to a coupled system where… read more here.

Keywords: controllability shadow; diffusion systems; reaction diffusion; controllability ... See more keywords
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Dynamics of a class of delayed reaction–diffusion systems with Neumann boundary condition

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Published in 2018 at "Journal of Mathematical Analysis and Applications"

DOI: 10.1016/j.jmaa.2017.09.045

Abstract: Abstract This paper considers a class of delayed reaction–diffusion systems under the Neumann boundary condition which arise in epidemiology and can describe the temporal and spatial evolutionary phenomena for the bacteria population and the human… read more here.

Keywords: class delayed; systems neumann; neumann boundary; diffusion systems ... See more keywords
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Bifurcation and Pattern Symmetry Selection in Reaction-Diffusion Systems with Kinetic Anisotropy

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Published in 2019 at "Scientific Reports"

DOI: 10.1038/s41598-019-44303-2

Abstract: Ordering and self-organization are critical in determining the dynamics of reaction-diffusion systems. Here we show a unique pattern formation mechanism, dictated by the coupling of thermodynamic instability and kinetic anisotropy. Intrinsically different from the physical… read more here.

Keywords: kinetic anisotropy; diffusion; diffusion systems; reaction diffusion ... See more keywords
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Stability for stochastic reaction–diffusion systems driven by G-Brownian motion

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Published in 2021 at "International Journal of Control"

DOI: 10.1080/00207179.2021.1885742

Abstract: In this paper, we deal with a class of stochastic reaction–diffusion systems driven by G-Brownian motion (G-SRDSs, in short). The criterions on quasi-surely exponential stability and finite-time st... read more here.

Keywords: diffusion systems; reaction diffusion; systems driven; brownian motion ... See more keywords
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Reaction diffusion systems and extensions of quantum stochastic processes

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Published in 2022 at "Journal of Physics A: Mathematical and Theoretical"

DOI: 10.1088/1751-8121/acd288

Abstract: Reaction diffusion systems describe the behaviour of dynamic, interacting, particulate systems. Quantum stochastic processes generalise Brownian motion and Poisson processes, having operator valued Itô calculus machinery. Here it is shown that the three standard noises… read more here.

Keywords: diffusion systems; quantum stochastic; stochastic processes; reaction diffusion ... See more keywords