神秘 发表于 2025-3-26 21:29:58

Algebraic Solutions to a Differential Equation,to solve it for 3rd and 4th order equations, thus providing the first successful treatment of the higher order cases, and to prove a general finiteness theorem for the n. order case (Jordan’s finiteness theorem). Later Fuchs and Halphen were able to treat some of these cases invariant-theoretically.

施加 发表于 2025-3-27 04:04:04

Modular Equations,o this chapter looks first at Fuchs’s study of elliptic integrals as a function of a parameter, and then at the work of Dedekind. The algebraic study of the modular equation is then discussed, and the chapter concludes with Klein’s unification of these ideas.

babble 发表于 2025-3-27 08:24:45

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nocturnal 发表于 2025-3-27 12:37:20

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Vldl379 发表于 2025-3-27 17:32:04

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debunk 发表于 2025-3-27 21:05:26

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捐助 发表于 2025-3-27 23:00:52

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indigenous 发表于 2025-3-28 06:07:27

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幻想 发表于 2025-3-28 06:52:10

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过份 发表于 2025-3-28 13:52:06

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查看完整版本: Titlebook: Differential Equations and Group Theory from Riemann to Poincare; Jeremy Gray Book 19861st edition Birkhäuser Boston 1986 ordinary differe