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Found 3 Documents (Results 1–3)

Bifurcations of Liouville tori in a system of two vortices of positive intensity in a Bose-Einstein condensate. (English. Russian original) Zbl 1416.37052

Dokl. Math. 99, No. 2, 225-229 (2019); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 485, No. 6, 670-675 (2019).
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Kolmogorov’s theorem for low-dimensional invariant tori of Hamiltonian systems. (English. Russian original) Zbl 1252.37052

Dokl. Math. 84, No. 1, 498-501 (2011); translation from Dokl. Akad. Nauk 439, No. 3, 311-314 (2011).
MSC:  37J40
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Invariant tori of Hamiltonian systems that are nondegenerate in Rüssmann’s sense. (English. Russian original) Zbl 0973.37035

Dokl. Math. 53, No. 1, 69-72 (1996); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 346, No. 5, 590-593 (1996).
MSC:  37J40 70H08
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