Joint EMSG and 86th BLOC meeting
Due to the current COVID-19 situation, this meeting has been CANCELLED/POSTPONED
Programme:
1:15-2:05 Karin Baur (Leeds)
"Cluster categories associated with Grasmannians"
2:15:-3:05 Ben Davison (Edinburgh)
"Refined invariants of flopping curves and finite-dimensional Jacobi algebras"
3:15-4 Coffee break
4-4:50 Elena Gal (Oxford)
"Higher Segal spaces and lax A-infinity structures"
5-5:50 Balázs Szendrői (Oxford)
"Hilbert schemes of points on singular surfaces: geometry, combinatorics and representation theory”
We will have lunch in the Graduate Kitchen at 12:00. Please let Frank Neumann fn8@leicester.ac.uk or Sibylle Schroll schroll@leicester.ac.uk know if you would like to join.
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Karin Baur (Leeds)
"Cluster categories associated with Grasmannians"
Ben Davison (Edinburgh)
Elena Gal (Oxford)
"Higher Segal spaces and lax A-infinity structures"
Abstract: The notion of a higher Segal object was introduces by Dyckerhoff and Kapranov as a general framework for studying higher associativity inherent in a wide range of mathematical objects. Most of the examples are related to Hall algebra type constructions, which include quantum groups. We describe a construction that assigns to a simplicial object S a datum H(S) which is naturally interpreted as a "d-lax A-infinity algebra” precisely when S is a (d+1)-Segal object. This extends the extensively studied d=2 case.
Balazs Szendroi (Oxford)
"Hilbert schemes of points on singular surfaces: geometry, combinatorics and representation theory”
Abstract: Given a smooth algebraic surface S over the complex numbers, the Hilbert scheme of points of S is the starting point for many investigations, leading in particular to generating functions with modular behaviour and Heisenberg algebra representations. I will explain aspects of a similar story for surfaces with rational double points, with links to algebraic combinatorics and the representation theory of affine Lie algebras.
BLOC is supported by an LMS Scheme 3 grant, which is used to help offset travel costs for participants, with priority given to covering travel and accommodation costs for speakers and postgraduates.
Travel information is HERE.
Reimbursement: Please check with the organisers whether your travel costs can be reimbursed. If so then please download the following form, complete it and SIGN it and send it together with your original receipts and proof of travel to:
Prof Sibylle Schroll
Department of Mathematics
University of Leicester
University Road
Leicester LE1 7RH