Floquet theorem

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Floquet theorem

[flō′kā ‚thir·əm]
(mathematics)
A second-order linear differential equation whose coefficients are periodic single-valued functions of an independent variable x has a solution of the form e μ x P (x) where μ is a constant and P (x) a periodic function.
References in periodicals archive ?
of Dayton, Ohio) introduce students and researchers to various spectral computational techniques, including k-space theory, Floquet theory, transfer matrix method, and beam propagation methods.
DaCunha, Lyapunov stability and Floquet theory for nonautonomous linear dynamic systems on time scales, PhD dissertation, (2004), Baylor University.
The Floquet theory now leads to a simple, and possibly more intuitive, characterisation of small solutions to multi-term delay equations.