The following is our current schedule, but see here for previous talks.

Speaker: Sebastian Opper
Date: 20 October 2025, 4pm CET
Title: Derived Picard groups and Lie theory

Abstract

We discuss how to compute derived Picard groups (enhanced autoequivalence groups) of Fukaya categories of surfaces after Bocklandt and Haiden-Katzarkov-Kontsevich, and the related nodal stacky curves. I will also explain how solving this problem naturally leads to a very general analogy between Lie groups, Lie algebras, derived Picard groups and Hochschild cohomology.

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Speaker: Calum Crossley
Date: 3 November 2025, 4pm CET
Title: Categorical resolutions from geometry

Abstract

This will be a survey on categorical resolutions, in the context of conjectures relating derived categories to birational geometry. Examples using matrix factorizations give a geometric perspective, shedding light on various aspects of these resolutions: crepancy and minimality, null categories, and relations to singular equivalences.

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Speaker: Céline Fietz
Date: 17 November 2025, 4pm CET
Title:

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Speaker: Prashanth Sridhar
Date: 8 December 2025, 4pm CET
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Speaker: Aporva Varshney
Date: 15 December 2025, 4pm CET
Title:

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