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СЕМИНАРЫ |
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Partial tribrackets of knots in thickened surfaces I. M. Nikonov |
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Аннотация: We define a modification of Niebrzydowski tribracket construction for knots in a fixed thickened surface and give several examples of this invariant. Язык доклада: английский Website: https://us02web.zoom.us/j/81866745751?pwd=bEFqUUlZM1hVV0tvN0xWdXRsV2pnQT09 |