capsaicin 发表于 2025-3-26 23:03:03

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heterodox 发表于 2025-3-27 03:00:15

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aerial 发表于 2025-3-27 08:26:19

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FADE 发表于 2025-3-27 10:16:31

Physical Aggression between Spouseswe introduce a notion of energy associated to quadratic Lagrangians arising as a conserved quantity canonically associated to perturbations of asymptotically Minkowskian space-time solutions which possess a time-like Killing field. We then present some intuitions about it and prove two positive ener

贸易 发表于 2025-3-27 17:33:45

Periodic External Input Tunes the Stability of Delayed Nonlinear Systems: From the Slaving Principleynamics of a delayed system. At first, the article introduces the fundamental elements of delayed differential equations and then applies these to a nonlinear delayed problem close to a transcritical bifurcation. We observe a shift of stability in the system induced by the fast periodic driving.

Classify 发表于 2025-3-27 18:06:54

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查看完整版本: Titlebook: Geomagnetic Diagnosis of the Magnetosphere; A. Nishida Book 1978 Springer Science+Business Media New York 1978 Erdmagnetismus.Magnetosphär