Involutory biquandles and singular knots and links
AbstractWe define a new algebraic structure for singular knots and links. It extends the notion of a bikei (or involutory biquandle) from regular knots and links to singular knots and links. We call this structure a singbikei. This structure results from the generalized Reidemeister moves representing singular isotopy. We give several examples on singbikei and we use singbikei to distinguish several singular knots and links.
2017 ◽
Vol 26
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pp. 1750099
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2018 ◽
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pp. 1850064
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2017 ◽
Vol 26
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2012 ◽
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2009 ◽
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1996 ◽
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