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Braids presentation and secant-quandle invariant of knots Yangzhou Liu |
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Abstract: In this talk we construct an invariant of braids based on horizontal trisecants and their equivalent classes, called the secant-quandle. Based on this, we further construct braid invariants such as the linear secant-quandle, which may provide a representation of ′G3n and pure braid group. Then, we generalize secant-quandle to knots. Language: English Website: https://us02web.zoom.us/j/81866745751?pwd=bEFqUUlZM1hVV0tvN0xWdXRsV2pnQT09 |
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