Abstract:
A semigroup with 15 generators and 84 relations is constructed. The center of the semigroup is in a one-to-one correspondence with the set of all isotopy classes of nonoriented singular knots (links with finitely many double
intersections in general position) in R3.
Citation:
V. V. Vershinin, V. A. Kurlin, “Three-Page Embeddings of Singular Knots”, Funktsional. Anal. i Prilozhen., 38:1 (2004), 16–33; Funct. Anal. Appl., 38:1 (2004), 14–27
This publication is cited in the following 6 articles:
Yury Elkin, Di Liu, Vitaliy Kurlin, Mathematics and Visualization, Topological Methods in Data Analysis and Visualization VI, 2021, 245
Bright M., Kurlin V., “Encoding and Topological Computation on Textile Structures”, Comput. Graph.-UK, 90 (2020), 51–61
Kurlin V. Smithers Ch., “a Linear Time Algorithm For Embedding Arbitrary Knotted Graphs Into a 3-Page Book”, Computer Vision, Imaging and Computer Graphics Theory and Applications, Communications in Computer and Information Science, 598, ed. Braz J. Pettre J. Richard P. Kerren A. Linsen L. Battiato S. Imai F., Springer-Verlag Berlin, 2016, 99–122
Cherry Kearton, Vitaliy Kurlin, “All 2–dimensional links in 4–space live inside a universal 3–dimensional polyhedron”, Algebr. Geom. Topol., 8:3 (2008), 1223
Kurlin V., “Three-page encoding and complexity theory for spatial graphs”, J. Knot Theory Ramifications, 16:1 (2007), 59–102
Dujmović V, Wood D.R., “Stacks, queues and tracks: Layouts of graph subdivisions”, Discrete Math. Theor. Comput. Sci., 7:1 (2005), 155–201