Please use this identifier to cite or link to this item: http://dr.iiserpune.ac.in:8080/xmlui/handle/123456789/9503
Title: Isolated regions of a link projection
Authors: MAHATO, TUMPA
Shimizu, Ayaka
Dept. of Mathematics
Keywords: Isolate-region number
Isolated regions
Link projection
Warping degree
2024
Issue Date: Nov-2024
Publisher: World Scientific
Citation: Journal of Knot Theory and Its Ramifications, 33(13).
Abstract: A set of regions of a link projection is said to be isolated if any pair of regions in the set share no crossings. The isolate-region number of a link projection is the maximum value of the cardinality for isolated sets of regions of the link projection. In this paper, all the link projections of isolate-region number one are determined. Also, estimations for welded unknotting number and a combinatorial way to find the isolate-region number are discussed, and a formula of the generating function of isolated-region sets is given for the standard projections of (2,n)(2,n)-torus links.
URI: https://doi.org/10.1142/S0218216524500421
http://dr.iiserpune.ac.in:8080/xmlui/handle/123456789/9503
ISSN: 0218-2165
1793-6527
Appears in Collections:JOURNAL ARTICLES

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