The density of polynomials of degree n over Zp having exactly r roots in Qp

Stevan Gajovic; Manjul Bhargava; John Cremona; Tom Fisher

The density of polynomials of degree n over Zp having exactly r roots in Qp

Stevan Gajovic, Manjul Bhargava, John Cremona, Tom Fisher

Algebra

Research output: Working paper › Preprint › Academic

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Abstract

We determine the probability that a random polynomial of degree n over Zp has exactly r roots in Qp, and show that it is given by a rational function of p that is invariant under replacing p by 1/p.

Original language	English
Publisher	arXiv
Number of pages	19
Publication status	Submitted - 26-Jan-2021

Publication series

Name	ArXiv
Publisher	Cornell University Press
ISSN (Print)	2331-8422

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abstract = "We determine the probability that a random polynomial of degree n over Zp has exactly r roots in Qp, and show that it is given by a rational function of p that is invariant under replacing p by 1/p.",

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T1 - The density of polynomials of degree n over Zp having exactly r roots in Qp

AU - Gajovic, Stevan

AU - Bhargava, Manjul

AU - Cremona, John

AU - Fisher, Tom

PY - 2021/1/26

Y1 - 2021/1/26

N2 - We determine the probability that a random polynomial of degree n over Zp has exactly r roots in Qp, and show that it is given by a rational function of p that is invariant under replacing p by 1/p.

AB - We determine the probability that a random polynomial of degree n over Zp has exactly r roots in Qp, and show that it is given by a rational function of p that is invariant under replacing p by 1/p.

UR - https://arxiv.org/abs/2101.09590

M3 - Preprint

T3 - ArXiv

BT - The density of polynomials of degree n over Zp having exactly r roots in Qp

PB - arXiv

ER -

The density of polynomials of degree n over Zp having exactly r roots in Qp

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