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Mathematics of Computation

ISSN 1088-6842(online) ISSN 0025-5718(print)



The Lehmer project

Authors: D. H. Lehmer and Emma Lehmer
Journal: Math. Comp. 61 (1993), 313-317
MSC: Primary 11R27; Secondary 11T22
MathSciNet review: 1189521
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Abstract: It is shown that cyclic differences of cyclotomic periods can be useful in finding units in cyclic extensions of the rationals of degree less than or equal to 6. The polynomials for these differences are simpler than the polynomials for the corresponding periods. The cyclic differences depend on the choice of a primitive root; the question is raised as to which choices of primitive root yield units.

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Article copyright: © Copyright 1993 American Mathematical Society