The development of the princial genus theorem, by Franz Lemmermeyer

The development of the princial genus theorem, by Franz Lemmermeyer

In this article we sketch the development of the principal genus theorem from its conception by Gauss in the case of binary quadratic forms to the cohomological formulation of the principal genus theorem of class field theory by Emmy Noether.

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Franz Lemmermeyer <franzl@csusm.edu>