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central charge

Contents

Idea

In physics, Noether's theorem relates symmetries to conserved currents and charges. Give a symmetry Lie algebra or Lie group, and given a central extension of this, then the generators of the central extension are accordinly called central charges.

Examples

Last revised on September 13, 2013 at 11:55:14. See the history of this page for a list of all contributions to it.