Geodesic
Proof of the strengthened version of simultaneous attainability of central exponents in the class of Hamiltonian systems
Vestnik Moskovskogo universiteta. Matematika, mehanika, no. 4 (2017), pp. 66-69 Cet article a éte moissonné depuis la source Math-Net.Ru

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The central exponents of a linear Hamiltonian system are moved apart through uniformly small Hamiltonian perturbations of its coefficients, and then they are simultaneously attained by the Lyapunov exponents through infinitesimally small perturbations of the Hamiltonian system obtained. 
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     author = {T. V. Salova},
     title = {Proof of the strengthened version of simultaneous attainability of central exponents in the class of {Hamiltonian} systems},
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T. V. Salova. Proof of the strengthened version of simultaneous attainability of central exponents in the class of Hamiltonian systems. Vestnik Moskovskogo universiteta. Matematika, mehanika, no. 4 (2017), pp. 66-69. http://geodesic.mathdoc.fr/item/VMUMM_2017_4_a11/

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