群居动物 发表于 2025-4-1 04:09:23

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怪物 发表于 2025-4-1 08:50:42

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情节剧 发表于 2025-4-1 10:55:32

The Use of Factors to Discover Potential Systems or Linearizations,ial system could yield nonlocal symmetries of the given system and its linearization by a noninvertible mapping. We also introduce the notion of linearizing factors to determine necessary conditions for the existence of a linearization of a given system of PDEs.

宠爱 发表于 2025-4-1 15:32:14

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使满足 发表于 2025-4-1 19:20:43

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装入胶囊 发表于 2025-4-2 02:00:37

Generalized Multiplicative Error Models,arameter quantum group mentioned above. I describe solutions which extend to an enhanced Yang-Baxter operator and, hence, define link invariants. The paper concludes with some preliminary results on these link invariants.
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查看完整版本: Titlebook: Geometric and Algebraic Structures in Differential Equations; P. H. M. Kersten,I. S. Krasil’Shchik Book 1995 Kluwer Academic Publishers 19