DFI equidistribution conjecture for polynomial roots modulo primes

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Let f∈Z[X]f \in \mathbb{Z}[X] be an irreducible polynomial of degree d≥2d \geq 2, and let 0<α<β≤10 < \alpha < \beta \leq 1. Let PP be the set of primes and define

S(x):={(p,ν):p∈P, p≤x, ν∈Z, 0≤ν<p, f(ν)≡0(modp)}.S(x):= \{(p,\nu): p \in P,\ p \leq x,\ \nu \in \mathbb{Z},\ 0\leq \nu < p,\ f(\nu) \equiv 0 \pmod p\}.

View S(x)S(x) as a probability space with normalized counting measure.

DFI conjecture. As ∣S(x)∣→∞|S(x)| \to \infty, the probability that α≤νp<β\alpha \leq \frac{\nu}{p} < \beta approaches β−α\beta-\alpha.

The quadratic case was proved in the work cited by the authors, whereas the general case was described as far away from resolution and remains open.

References

Primary source

Ehud Hrushovski, “Ax's theorem with an additive character”, arXiv:1911.01096 (2021).

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