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Узлы и теория представлений
20 апреля 2020 г. 18:30, г. Москва, ГЗ МГУ, ауд. 14-03
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Over then Under Tangles
Dror Bar-Natan
University of Toronto
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Аннотация:
Brilliant wrong ideas should not be buried and forgotten. Instead, they should be mined for the gold that lies underneath the layer of wrong. In this paper we explain how "over then under tangles" lead to an easy classification of knots, and under the surface, also to some valid mathematics: a separation theorem for braids and virtual braids, a topological understanding of the Drinfel'd double construction of quantum group theory, and more.
See also http://www.math.toronto.edu/~drorbn/Talks/MoscowByWeb-2004/
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