SIGACT News Open Problem Columns edited by William Gasarch
Vol 54, 2023
Vol 54, 2023
Vol 53, 2022
Vol 52, 2021
Vol 51, 2020
Vol 50, 2019
Vol 49, 2018
Vol 48, 2017
Vol 47, 2016
Future (in progress)
Diophantine Equations by Gary Walsh
Numbers on forehead- question of pedagog.