tattle 发表于 2025-3-26 22:18:05
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Luigi Chierchia,Paolo Perfettieven while many experience and express unease about many of its policies. In this chapter, we seek to explain how Israel is a compelling component of Jewish identity for young people even while some are ambivalent about its policies and actions. We explore how connections and commitment to Israel ta抵制 发表于 2025-3-27 07:54:45
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locaust history. Although research has been conducted on the work of Jewish doctors in ghettoes, a facet of the Holocaust that until recently has been ignored is the history of the life and work of European Jewish doctors leading up to the Holocaust from the beginning of the twentieth century and thlegitimate 发表于 2025-3-27 15:49:11
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Exponentially Small Expressions for Separatrix Splittingsrefore their size is ., where . is the pole of the derivative of the homoclinic solution of the unperturbed equation, and . its order. The main ideas of the proof of these asymptotic formulas are presented, assuming . ≥ . 1, and that the first Fourier coefficients of the Poincaré-Melnikov function . are different from zero.充气球 发表于 2025-3-28 10:47:46
A Note on the Existence of Heteroclinic Orbits in the Planar Three-Body Problem at infinity is also given. The problem is considered as a perturbation of two two-body problems, an elliptic one and a parabolic one. The results obtained and the methods used are natural modifications of the corresponding ones for the planar restricted elliptic three-body problem, recently studied in .