Abstract

A famous conjecture of Artin states that there are infinitely many prime numbers for which a fixed integer g is a primitive root, provided g≠−1 and g is not a perfect square. Thanks to work of Hooley, we know that this conjecture is true, conditional on the truth of the Generalized Riemann Hypothesis. Using a combination of Hooley's analysis and the techniques of Maynard–Tao used to prove the existence of bounded gaps between primes, Pollack has shown that (conditional on GRH) there are bounded gaps between primes with a prescribed primitive root. In the present article, we provide an unconditional proof of the analogue of Pollack's work in the function field case; namely, that given a monic polynomial g(t) which is not an vth power for any prime v dividing q−1, there are bounded gaps between monic irreducible polynomials P(t) in Fq[t] for which g(t) is a primitive root (which is to say that g(t) generates the group of units modulo P(t)). In particular, we obtain bounded gaps between primitive polynomials, corresponding to the choice g(t)=t.

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