Vol. 1, No. 3, 2019
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Rigid local systems and alternating groups

Robert M. Guralnick, Nicholas M. Katz and Pham Huu Tiep
Vol. 1 (2019), No. 3, 295–320
DOI: 10.2140/tunis.2019.1.295
Abstract

We show that some very simple to write one parameter families of exponential sums on the affine line in characteristic p have alternating groups as their geometric monodromy groups.

Keywords
rigid local system, monodromy, alternating group
Mathematical Subject Classification 2010
Primary: 11T23, 20D05
Milestones
Received: 5 October 2017
Revised: 3 April 2018
Accepted: 22 April 2018
Published: 8 August 2018
Authors
Robert M. Guralnick
Department of Mathematics
University of Southern California
Los Angeles, CA 90089-2532
United States
Nicholas M. Katz
Department of Mathematics
Princeton University
Fine Hall
Princeton, NJ 08544-1000
United States
Pham Huu Tiep
Department of Mathematics
Rutgers University
Piscataway, NJ 08854-8019
United States