荨麻
发表于 2025-3-28 16:33:51
On the Frequencies of Quasi Periodic Solutions of Analytic Nearly Integrable Hamiltonian Systems the one of Arnol’d and Moser in so far as rapid convergence of the iteration process does not take place. In fact, in conjugacy problems without small divisors our approach coincides with the ordinary Lipschitz iteration. On the other hand, the utmost of possible influence of the small divisors is admitted.
mydriatic
发表于 2025-3-28 19:34:29
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Madrigal
发表于 2025-3-29 02:59:05
The Dynamical Foundations of Classical Statistical Mechanics and the Boltzmann-Jeans Conjectureulty with classical statistical mechanics is that some degrees of freedom seem to be frozen, and not to attain the energy expected from that principle. The problem we want to discuss here is whether such a phenomenon can be understood on a dynamical basis.
Medicaid
发表于 2025-3-29 03:16:22
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简略
发表于 2025-3-29 11:16:25
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议程
发表于 2025-3-29 12:13:58
Exponentially Small Expressions for Separatrix Splittingsere . and . are independent small parameters. These asymptotical expressions coincide with the ones predicted by the Poincaré-Melnikov theory, and therefore their size is ., where . is the pole of the derivative of the homoclinic solution of the unperturbed equation, and . its order. The main ideas
Pepsin
发表于 2025-3-29 18:23:33
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Lyme-disease
发表于 2025-3-29 22:23:51
Periodic Metrics complete manifold . possessing an isometry group . with a compact quotient .. The word “global” means here that we study “large” objects and do not care of the measurement error of order diam(.). We consider here only a special (but rather natural) case when . is a perturbation (not necessarily sma
规章
发表于 2025-3-30 00:43:28
On the Inclusion of Analytic Symplectic Maps in Analytic Hamiltonian Flows and Its Applications the underlying symplectic structure is exact, then this diffeomorphism is exact symplectic. Thus one may ask what the set of all maps arising this way looks like. That is, which exact symplectic diffeomorphisms homotopic to the identity can be included in the flow of a hamiltonian vector field?
缩影
发表于 2025-3-30 08:01:05
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