A-Star student Espen Slettnes, a homeschooler in 7th grade, has published a paper on arXiv Website along with other contributors: Carl Joshua Quines, Dr. Shen-Fu Tsai from Penn State, and Dr. Jesse Geneson from Google.
The research paper is in Discrete Mathematics/Combinatorics titled “Variations of the Cop and Robber Game on Graphs”. It can be found at https://arxiv.org/abs/1710.11352.
Congratulations to Espen on his publication!