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The distribution of solutions of the congruence
Authors:Anwar Ayyad
Institution:Department of Mathematics, Kansas State University, Manhattan, Kansas 66506
Abstract:For a cube $\mathcal{B}$ of size $B$, we obtain a lower bound on $B$ so that $\mathcal{B}\cap V$ is nonempty, where $V$ is the algebraic subset of $\mathbb{F}_{p}^{n}$ defined by

\begin{equation*}x_{1}x_{2}x_{3}\dots x_{n}\equiv c\pmod p ,\end{equation*}

$n$ a positive integer and $c$ an integer not divisible by $p$. For $n=3$ we obtain that $\mathcal{B}\cap V$ is nonempty if $B\gg p^{\frac{2}{3}}(\log p)^{\frac{2}{3}}$, for $n=4$ we obtain that $\mathcal{B}\cap V$ is nonempty if $B\gg \sqrt {p}\log p$, and for $n\ge 5$ we obtain that $\mathcal{B}\cap V$ is nonempty if $B\gg p^{\frac{1}{4}+\frac{1}{\sqrt {2(n+4)}}}(\log p)^{\frac{3}{2}}$. Using the assumption of the Grand Riemann Hypothesis we obtain $\mathcal{B}\cap V$ is nonempty if $B\gg _{\epsilon }p^{\frac{2}{n}+\epsilon }$.

Keywords:Distribution  congruences  solutions
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