卜闻 发表于 2025-3-25 04:35:59
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Lie Sphere Transformations,mine the group of transformations which preserve the fundamental geometric properties of the space. All of these groups are quotient groups or subgroups of some orthogonal group determined by an indefinite scalar product on a real vector space. As a result, the theorem of Cartan and Dieudonné, prove预防注射 发表于 2025-3-25 12:35:31
Dupin Submanifolds,tion of proper Dupin submanifolds with two principal curvatures (cyclides of Dupin) in Section 5.4 and the classification of proper Dupin hypersurfaces with three principal curvatures in R. in Section 5.7. To obtain these classifications, we develop the method of moving Lie frames which can be used粗鄙的人 发表于 2025-3-25 17:21:59
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On Equivalent Harmonic and Stochastic Linearization for Nonlinear Shock-Absorbersrameters are not known precisely experimental methods are necessary to estimate the parameters of the linearized model..In the present paper we investigate the dynamics of automobile shock-absorbers using equivalent linearization techniques. After a short review of the theory experimental results are given.争论 发表于 2025-3-26 17:34:28
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