Mon, 09 Mar 2026
14:15
L4

Gromov-Witten theory of K3 surfaces

Rahul Pandharipande
(ETH Zurich)
Abstract
The missing piece of a formally complete solution of the
reduced Gromov-Witten of K3 surfaces is the proof of a
multiple cover formula conjectured with Oberdieck  more than a
decade ago. After introducing the problem, I will explain 
work in progress with Oberdieck where the full formula is
deduced from (at the moment) conjectural GW/PT properties
for families. The geometry is related also to the study of tautological classes on the moduli of K3 surfaces.  
FANTASIAS ON NATIONAL THEMES BY AUGUST FRYDERYK DURANOWSKI AND FRANCISZEK LESSEL. A STUDY OF BORROWINGS AND MUSICAL EMULATION
 Skrzeczkowski, J Muzyka volume 70 issue 1 67-102 (01 Jan 2025)
Quantitative Systems Pharmacology Models of Anti‐Amyloid Treatments for Alzheimer’s Disease: A Systematic Review
 Herriott, L Coles, M Gaffney, E Fournier, N Sanchez, N Sol, O Vukicevic, M Pfeifer, A Post, A Wagg, J Alzheimer's & Dementia: The Journal of the Alzheimer's Association volume 21 issue Suppl 5 (01 Dec 2025)
Strong zero modes in integrable spin-S chains
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Thu, 19 Feb 2026
17:00
L3

Model Theory of Groups Actions on Fields: Revisited

Özlem Beyarslan
(T.C. Boğaziçi Üniversitesi)
Abstract
We revisit the model theory of fields with a group action by automorphisms, focusing on the existence of the model companion G-TCF. We explain a flaw in earlier work and present the corrected result: for finitely generated virtually-free groups G, G-TCF exists if and only if G is finite or free. This is joint work with Piotr Kowalski.
Fast policy learning for linear-quadratic control with entropy regularization
 Guo, X Li, X Xu, R SIAM Journal on Control and Optimization volume 64 issue 1 124-151 (09 Jan 2026)
Finite-time scaling for epidemic processes with power-law superspreading events.
 Falcó, C Corral, Á Physical review. E volume 105 issue 6-1 064122 (Jun 2022)
Bulk-boundary eigenvalues for Bilaplacian problems
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Optimal spatial management in a multiuse marine habitat: Balancing fisheries and tourism
 Falcó, C Moeller, H Natural Resource Modeling volume 35 issue 1 (18 Feb 2022)
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