Quadratic Reciprocity and the Sign of the Gauss Sum via the Finite Weil Representation
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We give new proofs of two basic results in number theory: the law of quadratic reciprocity and the sign of the Gauss sum. We show that these results are encoded in the relation between the discrete Fourier transform and the action of the Weyl element in the Weil representation modulo p, q, and pq. © 2010 The Author. Published by Oxford University Press. All rights reserved.
author list (cited authors)
Gurevich, S., Hadani, R., & Howe, R.