On the Cauchy Problem for a Linear Harmonic Oscillator with Pure Delay

Khusainov, Denys; Pokojovy, Michael; Azizbayov, Elvin

On the Cauchy Problem for a Linear Harmonic Oscillator with Pure Delay

Dateien

Khusainov_0-265899.pdf(366.05 KB)

Datum

2014

Autor:innen

Khusainov, Denys

Pokojovy, Michael

Azizbayov, Elvin

Projekt

Partielle Differentialgleichungen

Sammlungen

Mathematik und Statistik

Publikationstyp

Preprint

Zusammenfassung

In the present paper, we consider a Cauchy problem for a linear second order in time abstract differential equation with pure delay. In the absence of delay, this problem, known as the harmonic oscillator, has a two-dimensional eigenspace so that the solution of the homogeneous problem can be written as a linear combination of these two eigenfunctions. As opposed to that, in the presence even of a small delay, the spectrum is infinite and a finite sum representation is not possible. Using a special function referred to as the delay exponential function, we give an explicit solution representation for the Cauchy problem associated with the linear oscillator with pure delay. Finally, the solution asymptotics as the delay parameter goes to zero is studied. In contrast to earlier works, no positivity conditions are imposed.

Fachgebiet (DDC)

510 Mathematik

Schlagwörter

functional-differential equations; harmonic oscillator; pure delay; well-posedness; solution representation

Zitieren

ISO 690

KHUSAINOV, Denys, Michael POKOJOVY, Elvin AZIZBAYOV, 2014. On the Cauchy Problem for a Linear Harmonic Oscillator with Pure Delay

BibTex

@unpublished{Khusainov2014Cauch-29408,
  year={2014},
  title={On the Cauchy Problem for a Linear Harmonic Oscillator with Pure Delay},
  author={Khusainov, Denys and Pokojovy, Michael and Azizbayov, Elvin}
}

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Universitätsbibliographie

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