中世纪
发表于 2025-3-25 03:50:45
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dearth
发表于 2025-3-25 10:50:19
A Nash-Moser Approach to KAM Theory,s us to construct a set of symplectic coordinates in a neighborhood of the torus in which the Hamiltonian is in a generalized KAM normal form with angle-dependent coefficients. Based on this observation we develop an approach to KAM theory via a Nash-Moser implicit function iterative theorem. The ke
Lipoma
发表于 2025-3-25 13:41:28
On the Spectral and Orbital Stability of Spatially Periodic Stationary Solutions of Generalized Kor cases for which the skew-symmetric operator . is singular. We assume that . restricted to the orthogonal complement of its kernel has a bounded inverse. With this assumption and some further genericity conditions we (a) derive an unstable eigenvalue count for the appropriate linearized operator, an
直觉没有
发表于 2025-3-25 19:16:08
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left-ventricle
发表于 2025-3-25 20:22:54
Partial Differential Equations with Random Noise in Inflationary Cosmology,rrent paradigm for describing the very early universe, where one is often interested only in the time-dependence of a subsystem. In inflationary cosmology it is assumed that a slowly rolling scalar field leads to an exponential increase in the size of space. At the end of this phase, the scalar fiel
使虚弱
发表于 2025-3-26 00:23:15
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鞠躬
发表于 2025-3-26 07:46:39
The Physics of the Manhattan Projectical domain .. with boundary .. both of which vary in time. Global-in-time weak solutions are obtained using an approach based on penalization of the boundary behavior and viscosity in the weak formulation.
钱财
发表于 2025-3-26 10:29:53
The Physics of the Manhattan Projectexperiments, and (2) have the mathematical properties required to be of use in weakly nonlinear models of the evolution of waves with narrow-banded spectra, as they propagate over long distances on deep water.
辩论的终结
发表于 2025-3-26 14:03:40
On a Fluid-Particle Interaction Model: Global in Time Weak Solutions Within a Moving Domain in ,,ical domain .. with boundary .. both of which vary in time. Global-in-time weak solutions are obtained using an approach based on penalization of the boundary behavior and viscosity in the weak formulation.
鞠躬
发表于 2025-3-26 19:45:14
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