Ringel's generalized earth-moon problem
Elementary arguments that rely on previous results obtained by G. Ringel and B. Jackson are given to establish Ringel's generalized earth-moon problem for Dyck's surface and the Moebius band.
math.CO↗
arXiv subjects
Publications and source records attributed to Jeremy Alexander.
Elementary arguments that rely on previous results obtained by G. Ringel and B. Jackson are given to establish Ringel's generalized earth-moon problem for Dyck's surface and the Moebius band.