Symmetric Criticality in Classical Field Theory
Symmetric Criticality in Classical Field Theory
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经典场论中的对称临界性
DOI:
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发表时间:
2010
期刊:
影响因子:
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通讯作者:
C. Torre
中科院分区:
文献类型:
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作者:
C. Torre
This is a brief overview of work done by Ian Anderson, Mark Fels, and myself on symmetry reduction of Lagrangians and Euler‐Lagrange equations, a subject closely related to Palais’ Principle of Symmetric Criticality. After providing a little history, I describe necessary and sufficient conditions on a group action such that reduction of a group‐invariant Lagrangian by the symmetry group yields the correct symmetry‐reduced Euler‐Lagrange equations.