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arXiv math/0609210math.NTmath.CA
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水平2的可积系统与模形式

Integrable systems and modular forms of level 2

Mark J Ablowitz, Sarbarsh Chakravarty, Heekyoung Hahn

摘要:

构造了模群$SL_2(\mathbb{Z})$的同余子群$Γ_0(2)$的Eisenstein级数所对应的一组非线性微分方程.这些非线性方程类似于著名的Ramanujan方程,以及与模群相关的Chazy和Darboux-Hegenen方程。这些方程的通解可用Schwarz三角函数$S(0,0,1/2; z)$表示。

英文摘要:

A set of nonlinear differential equations associated with the Eisenstein series of the congruent subgroup $Γ_0(2)$ of the modular group $SL_2(\mathbb{Z})$ is constructed. These nonlinear equations are analogues of the well known Ramanujan equations, as well as the Chazy and Darboux-Halphen equations associated with the modular group. The general solutions of these equations can be realized in terms of the Schwarz trianle function $S(0,0,1/2; z)$.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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