电邮这篇文章 Centers and Isochronous Centers of Newton Systems with Force Function Quadratic in Velocities
- 作者: Amel’kin V.V.1, Rudenok A.E.1
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隶属关系:
- Belarus State University
- 期: 卷 55, 编号 8 (2019)
- 页面: 1001-1010
- 栏目: Ordinary Differential Equations
- URL: https://journal-vniispk.ru/0012-2661/article/view/155107
- DOI: https://doi.org/10.1134/S0012266119080019
- ID: 155107
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详细
Necessary and sufficient conditions are obtained for a center as well as an isochronous center of holomorphic Newton equations with force function quadratic in velocities. These conditions do not rely on calculating focus quantities and isochronicity constants.
作者简介
V. Amel’kin
Belarus State University
编辑信件的主要联系方式.
Email: amelkin@bsu.by
白俄罗斯, Minsk, 220030
A. Rudenok
Belarus State University
编辑信件的主要联系方式.
Email: roudenok@bsu.by
白俄罗斯, Minsk, 220030
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