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Sequences of integers satisfying congruence relations and Pisot-Vijayaraghavan numbers
Published online by Cambridge University Press: 09 April 2009
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We consider infinite sequences of positive integers having exponential growth:
and becoming ultimately periodic modulo each member of a rather sparse infinite set of integers. If sufficient, natural conditions are placed on the growth and periodicities of
, we find that a is an algebraic integer having all its algebraic conjugates within or on the unit circle, and fn has a special representation involving an. The result is a kind of dual to the theorem of Pisot (cf. Salem [2], p. 4, Theorem A).
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- Copyright © Australian Mathematical Society 1967