Dominic Joyce (Oxford). Categorification of Donaldson-Thomas invariants of Calabi-Yau 3-folds using perverse sheaves. Friday February 22nd. Huxley 130, 1.30-2.30pm. Abstract: This talk is a survey of a sprawling collection of projects in progress, joint with Lino Amorim, Dennis Borisov, Chris Brav, Vittoria Bussi, Delphine Dupont, Kobi Kremnizer, and Balazs Szendroi, funded by an EPSRC Programme …

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