Chun, C., Douthitt, J. D., Ge, W., Huynh, T., Kroeker, M. E., & Nelson, P. (2026). Rainbow Triangles and the Erdős-Hajnal Problem in Projective Geometries. The Electronic Journal of Combinatorics, 33(4), #P4.5. https://doi.org/10.37236/14754