SOME RESULTS ON INTRINSICALLY KNOTTED GRAPHS

Author:

BLAIN PAUL1,BOWLIN GARRY2,FLEMING THOMAS3,FOISY JOEL4,HENDRICKS JACOB5,LACOMBE JASON6

Affiliation:

1. Department of Mathematics, University of Washington, seattle, WA 98195-4350, USA

2. Department of Mathematics, Binghamton University, Binghamton, NY 13902, USA

3. Deparment of Mathematics, University of California San Diego, 9500 Gilman Drive, La Jolla, CA, USA

4. Department of Mathematics, SUNY Potsdam, Potsdam, NY 13676, USA

5. Department of Mathematics, University of Texas at Austin, 1 University Station C1200, Austin, TX 78712-0257, USA

6. Department of Biostatistics and Computational Biology, University of Rochester, Rochester, NY 14642, USA

Abstract

We show that graphs of the form G * K2 are intrinsically knotted if and only if G is nonplanar. This can be extended to show that G * K5m+1 is intrinsically (m + 2)-linked when G is nonplanar. We also apply this result to classify all complete n-partite graphs with respect to intrinsic knotting and show that this family does not produce any new minor-minimal examples. Finally, we categorize all minor-minimal intrinsically knotted graphs on 8 or fewer vertices.

Publisher

World Scientific Pub Co Pte Lt

Subject

Algebra and Number Theory

Cited by 22 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

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2. Dips at Small Sizes for Topological Graph Obstruction Sets;2023

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4. Ideal spatial graph configurations;Journal of Mathematics and the Arts;2022-04-03

5. Most graphs are knotted;Journal of Knot Theory and Its Ramifications;2020-12

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