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Knots, Graphs and Groups seminar
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[On generalisations of groups G_{n}^{k} for moduli spaces, braid groups, and algebraic geometry] В. О. Мантуров |
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Аннотация: I will talk about generalisations of the main G_{n}^{k} principle about codimension 1 property governed by exactly k particles for the cases when codimension 1 strata can be of mixed nature. This leads to generalisations of groups G_{n}^{k} for arbitrary graphs which gives rise to maps from fundamental groups of moduli spaces to these groups. In particular, this works for spherical braids and many other cases. Many open problems will be discussed. Язык доклада: английский Website: https://us02web.zoom.us/j/81866745751?pwd=bEFqUUlZM1hVV0tvN0xWdXRsV2pnQT09 |
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