Cyclic coverings of virtual link diagrams
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DOI: 10.1142/s0129167x19500721
Abstract: A virtual link diagram is called mod [Formula: see text] almost classical if it admits an Alexander numbering valued in integers modulo [Formula: see text], and a virtual link is called mod [Formula: see text]… read more here.
Keywords: see text; formula see; virtual link; mod formula ... See more keywords
Linking invariants of even virtual links
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DOI: 10.1142/s0218216517500729
Abstract: A virtual link diagram is even if the virtual crossings divide each component into an even number of arcs. The set of even virtual link diagrams is closed under classical and virtual Reidemeister moves, and… read more here.
Keywords: link; number; linking invariants; link diagrams ... See more keywords
Wirtinger numbers for virtual links
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DOI: 10.1142/s021821651950086x
Abstract: The Wirtinger number of a virtual link is the minimum number of generators of the link group over all meridional presentations in which every relation is an iterated Wirtinger relation arising in a diagram. We… read more here.
Keywords: number virtual; wirtinger number; virtual link; number ... See more keywords