Cocycle Invariants and Oriented Singular Knots
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DOI: 10.1007/s00009-021-01867-6
Abstract: We extend the quandle cocycle invariant to oriented singular knots and links using algebraic structures called \emph{oriented singquandles} and assigning weight functions at both regular and singular crossings. This invariant coincides with the classical cocycle… read more here.
Keywords: cocycle invariants; singular knots; invariants oriented; cocycle ... See more keywords