A proof of the conjecture of Cohen and Mullen on sums of primitive roots

Cohen, S. D., Oliveira e Silva, T. and Trudgian, T. (2015) A proof of the conjecture of Cohen and Mullen on sums of primitive roots. Mathematics of Computation, 84(296), pp. 2979-2986. (doi: 10.1090/mcom/2950)

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Abstract

We prove that for all q > 61, every non-zero element in the finite field Fq can be written as a linear combination of two primitive roots of Fq. This resolves a conjecture posed by Cohen and Mullen.

Item Type:Articles
Additional Information:This work was supported by Australian Research Council DECRA Grant DE120100173.
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Cohen, Professor Stephen
Authors: Cohen, S. D., Oliveira e Silva, T., and Trudgian, T.
College/School:College of Science and Engineering > School of Mathematics and Statistics > Mathematics
Journal Name:Mathematics of Computation
Publisher:American Mathematical Society
ISSN:0025-5718
ISSN (Online):1088-6842
Published Online:30 March 2015
Copyright Holders:Copyright © 2015 American Mathematical Society
First Published:First published in Mathematics of Computation 84(296): 2979-2986
Publisher Policy:Reproduced in accordance with the publisher copyright policy

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