For the k x k-matrix-valued version of Hill's equation it is shown that the dimension of the matrix needed to compute the Floquet exponents can be reduced from 2k to k. Also the existence of periodic solutions is equivalent to the non-invertibility of certain k x k-matrices.
β¦ LIBER β¦
Hill's Equation Systems and Infinite Determinants
β Scribed by Robert Denk
- Publisher
- John Wiley and Sons
- Year
- 1995
- Tongue
- English
- Weight
- 599 KB
- Volume
- 175
- Category
- Article
- ISSN
- 0025-584X
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β¦ Synopsis
In this paper a method is developed to calculate the Floquet exponents of the matrix-valued version of Hill's equation using infinite determinants. It is shown that the Floquet exponents are precisely the zeros of an infinite determinant corresponding to the differential equation. The proof of this result uses the continuity and holomorphy of the infinite determinant.
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