The Geometric Weil Representation
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In this paper we construct a geometric analogue of the Weil representation over a finite field. Our construction is principally invariant, not choosing any specific realization. This eliminates most of the unpleasant formulas that appear in the traditional (non-invariant) approaches, and puts in the forefront some delicate geometric phenomena which underlie this representation.
A remark due to Ofer Gabber added (page 12). Accepted for publication (Selecta, December 2006)
A remark due to Ofer Gabber added (page 12). Accepted for publication (Selecta, December 2006)