Results 31 to 40 of about 257,023 (328)

Discretisation of an infinite delay equation [PDF]

open access: yesMathematics of Computation, 2006
In this paper, a Banach phase space containing BC(-∞,0] and contained in C(-∞,0] is defined with which existence of a solution and convergence of a discrete scheme are proved for an infinite delay differential equation.
openaire   +1 more source

Reduction theories elucidate the origins of complex biological rhythms generated by interacting delay-induced oscillations. [PDF]

open access: yesPLoS ONE, 2011
Time delay is known to induce sustained oscillations in many biological systems such as electroencephalogram (EEG) activities and gene regulations. Furthermore, interactions among delay-induced oscillations can generate complex collective rhythms, which ...
Ikuhiro Yamaguchi   +4 more
doaj   +1 more source

Linearization for Difference Equations with Infinite Delay

open access: yes, 2023
In this article, we construct a conjugacy map for a linear difference equation with infinite delay and corresponding nonlinear perturbation. We also prove that the conjugacy map is one-one with some additional conditions. As an application of our result, we show that the cases of (uniform) exponential dichotomy follow from our result.
openaire   +3 more sources

Non-Markovian Dynamics of a Qubit Due to Single-Photon Scattering in a Waveguide [PDF]

open access: yes, 2018
We investigate the open dynamics of a qubit due to scattering of a single photon in an infinite or semi-infinite waveguide. Through an exact solution of the time-dependent multi-photon scattering problem, we find the qubit's dynamical map.
Baranger, Harold U.   +2 more
core   +2 more sources

Oscillation of equations with an infinite distributed delay

open access: yesComputers & Mathematics with Applications, 2010
AbstractFor the equation with a finite or infinite distributed delay ẋ(t)+∫−∞tx(s)dsR(t,s)=0 the existence of nonoscillatory solutions is studied. A general comparison theorem is obtained which allows to compare oscillation properties of equations with concentrated delays to integrodifferential equations.
Leonid Berezansky, Elena Braverman
openaire   +2 more sources

Stability and Boundedness of Stochastic Volterra Integrodifferential Equations with Infinite Delay

open access: yesJournal of Applied Mathematics, 2013
We make the first attempt to discuss stability and boundedness of solutions to stochastic Volterra integrodifferential equations with infinite delay (IDSVIDEs).
Chunmei Zhang, Wenxue Li, Ke Wang
doaj   +1 more source

Imaginary Potential as a Counter of Delay Time for Wave Reflection from a 1D Random Potential [PDF]

open access: yes, 1999
We show that the delay time distribution for wave reflection from a one-dimensional random potential is related directly to that of the reflection coefficient, derived with an arbitrarily small but uniform imaginary part added to the random potential ...
A. Comtet   +23 more
core   +3 more sources

Approximate Controllability of Fractional Neutral Evolution Equations in Banach Spaces

open access: yesAbstract and Applied Analysis, 2013
We discuss the approximate controllability of semilinear fractional neutral differential systems with infinite delay under the assumptions that the corresponding linear system is approximately controllable.
N. I. Mahmudov
doaj   +1 more source

Time-delayed feedback control of the Dicke-Hepp-Lieb superradiant quantum phase transition [PDF]

open access: yes, 2014
We apply the time-delayed Pyragas control scheme to the dissipative Dicke model via a modulation of the atom-field-coupling. The feedback creates an infinite sequence of non-equilibrium phases with fixed points and limit cycles in the primary ...
Brandes, Tobias   +3 more
core   +3 more sources

Global convergence of successive approximations of the Darboux problem for partial functional differential equations with infinite delay [PDF]

open access: yesOpuscula Mathematica, 2014
We consider the Darboux problem for the hyperbolic partial functional differential equation with infinite delay. We deal with generalized (in the "almost everywhere" sense) solutions of this problem.
Tomasz Człapiński
doaj   +1 more source

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