A note on maximum differential coloring of planar graphs

Journal of Discrete Algorithms - Tập 29 - Trang 1-7 - 2014
M.A. Bekos1, M. Kaufmann1, S. Kobourov2, S. Veeramoni2
1Wilhelm-Schickard-Institut für Informatik, Universität Tübingen, Germany
2Dept. of Computer Science, University of Arizona, Tucson, AZ, USA

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