4.0 Article

The continuous spectrum and the effect of parametric resonance. The case of bounded operators

Journal

SBORNIK MATHEMATICS
Volume 205, Issue 5, Pages 684-702

Publisher

TURPION LTD
DOI: 10.1070/SM2014v205n05ABEH004394

Keywords

parametric resonance; continuous spectrum; stability

Categories

Funding

  1. Presidium of the Russian Academy of Sciences (Fundamental Research Programme) [15]
  2. Siberian Branch of the Russian Academy of Sciences (Interdisciplinary Integration Projects) [30, 130]

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The paper is concerned with the Mathieu-type differential equation u '' = -A(2)u + epsilon B(t)u in a Hilbert space H. It is assumed that A is a bounded self-adjoint operator which only has an absolutely continuous spectrum and B(t) is almost periodic operator-valued function. Sufficient conditions are obtained under which the Cauchy problem for this equation is stable for small e and hence free of parametric resonance.

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