Exactly fourteen intrinsically knotted graphs have 21 edges
Johnson, Kidwell, and Michael showed that intrinsically knotted graphs have at least 21 edges. Also it is known that K-7 and the thirteen graphs obtained from K-7 by del Y moves are intrinsically knotted graphs with 21 edges. We prove that these 14 graphs are the only intrinsically knotted graphs with 21 edges
- Publisher
- GEOMETRY & TOPOLOGY PUBLICATIONS
- Issue Date
- 2015
- Language
- English
- Article Type
- Article
- Keywords
SPATIAL GRAPHS; MINORS
- Citation
ALGEBRAIC AND GEOMETRIC TOPOLOGY, v.15, no.6, pp.3305 - 3322
- ISSN
- 1472-2739
- Appears in Collection
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