カクタスグラフ
John, John; Ma, Jian; Suh, Bernard; Haussler, David (2010), “Cactus Graphs for Genome Comparisons”, Research in Computational Molecular Biology, Lecture Notes in Computer Science, 6044, pp. 410–425, doi:10.1007/978-3-642-12683-3_27, ISBN 978-3-642-12682-6
↑ Leighton, Tom; Moitra, Ankur (2010), “Some Results on Greedy Embeddings in Metric Spaces”, Discrete & Computational Geometry 44 (3): 686–705, doi:10.1007/s00454-009-9227-6, http://people.csail.mit.edu/moitra/docs/dcg-greedy.pdf
↑ Nordhaus, E. A.; Ringeisen, R. D.; Stewart, B. M.; White, A. T. (1972), “A Kuratowski-type theorem for the maximum genus of a graph”, Journal of Combinatorial Theory, Series B 12: 260–267, doi:10.