BIRS Workshop Lecture Videos

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BIRS Workshop Lecture Videos

Twists and braids for general 3-fold flops Donovan, Will

Description

When a 3-fold contains a floppable curve, there is an associated equivalence between the derived categories of the 3-fold and its flop. If the curve is reducible, there may exist multiple such flop functors, one for each irreducible component. I will explain joint work with Michael Wemyss, showing how this leads to new actions of braid-type groups on the derived category, and give an update on related results.

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Attribution-NonCommercial-NoDerivatives 4.0 International