Andrew Yang

collaborators

2 papers

math.NT2022

Some explicit estimates for the error term in the prime number theorem

Daniel R. Johnston, Andrew Yang

By combining and improving recent techniques and results, we provide explicit estimates for the error terms $∣ π (x) - li (x) ∣$ , $∣ θ (x) - x ∣$ and $∣ ψ (x) - x ∣$ appearing in the prime…

math.CO2020

Outdegree conditions forcing short cycles in digraphs

Dan Ismailescu, Joonsoo Lee, Andrew Yang

Given a positive integer $m \geq 3$ , let $c h (m)$ be the smallest positive constant with the following property: \emph{ Every simple directed graph on $n \geq 3$ vertices all whose outd…