Geodesic
Principal solutions and transformations of linear Hamiltonian systems
Archivum mathematicum, Tome 28 (1992) no. 1-2, pp. 113-120 Cet article a éte moissonné depuis la source Czech Digital Mathematics Library

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Sufficient conditions are given which guarantee that the linear transformation converting a given linear Hamiltonian system into another system of the same form transforms principal (antiprincipal) solutions into principal (antiprincipal) solutions.
Sufficient conditions are given which guarantee that the linear transformation converting a given linear Hamiltonian system into another system of the same form transforms principal (antiprincipal) solutions into principal (antiprincipal) solutions.
Classification : 34A25, 34C10, 34C20
Keywords: principal solution; linear Hamiltonian system; reciprocal system 
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Došlý, Ondřej. Principal solutions and transformations of linear Hamiltonian systems. Archivum mathematicum, Tome 28 (1992) no. 1-2, pp. 113-120. http://geodesic.mathdoc.fr/item/ARM_1992_28_1-2_a13/

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