2021/04/16 by Prieto-Martínez, Luis Felipe
#51-02 #FOS: Mathematics #History and Overview (math.HO)
paper · doi:10.48550/arxiv.2104.09324
This article contains a short and entertaining list of unsolved problems in Plane Geometry. Their statement may seem naive and can be understood at an elementary level. But their solutions have refused to appear for forty years in the best case.