带耗散的七阶均相动力系统的不变式

IF 0.5 4区数学 Q3 MATHEMATICS

Doklady Mathematics Pub Date : 2024-05-13 DOI:10.1134/S1064562424701941

M. V. Shamolin

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引用次数: 0

摘要

摘要介绍了可积分七阶动力系统的新情况，这些系统在某些变量上是同质的，其中可以区分三维流形切线束上的系统。在这种情况下，力场分为内部（保守）分量和外部分量，后者具有不同符号的耗散。外部力场是通过某种单模态变换引入的，并概括了之前考虑过的力场。给出了第一积分和不变微分形式的完整集合。

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Invariants of Seventh-Order Homogeneous Dynamical Systems with Dissipation

New cases of integrable seventh-order dynamical systems that are homogeneous with respect to some of the variables are presented, in which a system on the tangent bundle of a three-dimensional manifold can be distinguished. In this case, the force field is divided into an internal (conservative) and an external component, which has dissipation of different signs. The external field is introduced using some unimodular transformation and generalizes previously considered fields. Complete sets of both first integrals and invariant differential forms are given.

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来源期刊

Doklady Mathematics 数学-数学

CiteScore

1.00

自引率

16.70%

发文量

审稿时长

3-6 weeks

期刊介绍： Doklady Mathematics is a journal of the Presidium of the Russian Academy of Sciences. It contains English translations of papers published in Doklady Akademii Nauk (Proceedings of the Russian Academy of Sciences), which was founded in 1933 and is published 36 times a year. Doklady Mathematics includes the materials from the following areas: mathematics, mathematical physics, computer science, control theory, and computers. It publishes brief scientific reports on previously unpublished significant new research in mathematics and its applications. The main contributors to the journal are Members of the RAS, Corresponding Members of the RAS, and scientists from the former Soviet Union and other foreign countries. Among the contributors are the outstanding Russian mathematicians.