graph nonisomorphism problem GNI problem #complexity_theory Definition Input: pair of graphs, (G,H)(G,H) Output: whether or not G≆HG \ncong H Notes 𝙶𝙽𝙸∈\mathtt{GNI} \in IP (hence there is an IPS for GNI) 𝙶𝙽𝙸∈\mathtt{GNI} \in coNP References https://people.csail.mit.edu/ronitt/COURSE/S12/handouts/lec6.pdf