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hep-ph1998
Historical and other Remarks on Hidden Symmetries
Norbert Straumann
Apart from a few remarks on lattice systems with global or gauge symmetries, most of this talk is devoted to some interesting ancient examples of symmetries and their breakdowns in…
hep-ph1998
Early History of Gauge Theories and Kaluza-Klein Theories, with a Glance at Recent Developments
Lochlain O'Raifeartaigh, Norbert Straumann
One of the major developments of twentieth century physics has been the gradual recognition that a common feature of the known fundamental interactions is their gauge structure. In…