Biquandle cohomology and state-sum invariants of links and surface-links
2018 ◽
Vol 27
(11)
◽
pp. 1843016
In this paper, we discuss the (co)homology theory of biquandles, derived biquandle cocycle invariants for oriented surface-links using broken surface diagrams and how to compute the biquandle cocycle invariants from marked graph diagrams. We also develop the shadow (co)homology theory of biquandles and construct the shadow biquandle cocycle invariants for oriented surface-links.
2014 ◽
Vol 23
(07)
◽
pp. 1460007
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2015 ◽
Vol 24
(04)
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pp. 1550018
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2021 ◽
Vol 30
(01)
◽
pp. 2150002
2018 ◽
Vol 27
(13)
◽
pp. 1842014
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2010 ◽
Vol 4
(5)
◽
pp. 769-772
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Keyword(s):