On the extraction of slow motion

J.A.M. Janssen

Physica A: Statistical Mechanics and its Applications, 1985, vol. 133, issue 3, 497-508

Abstract: The evolution of physical systems in which two separate scales are present can be described in terms of slow and fast variables. In the present communication linear equations are studied. By a linear transformation the system is decomposed into a slow and a fast subsystem. This method has some advantages over previous methods. One simplifying feature is that initial conditions need not be taken into account. As an application it is shown that in the case that only even variables are involved the Onsager symmetry remains present at the reduced level.

Date: 1985
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:133:y:1985:i:3:p:497-508

DOI: 10.1016/0378-4371(85)90145-1

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