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Quantum field theory and four-manifolds: Perspectives from physics and geometry
Niklas Garner, Martijn Kool, Jan Manschot +1
These lecture notes are based on lecture series by the authors for the Summer School 2025 on ``Physical mathematics of quantum field theory" at the University of Massachusetts Amhe…
Equivariant Localization for N=2 Theories with Hypermultiplets
Matthias Dennemann, Jan Manschot
Equivariant localization in the -background is a powerful technique for the evaluation of the partition function of supersymmetric field theory on a toric four-m…
Galois Covers of Calabi-Yau Quivers and BPS State Counting
Johannes Aspman, Cyril Closset, Elias Furrer +1
BPS quivers are central to our understanding of BPS states in 4d supersymmetric field theories and of D-branes at Calabi-Yau threefold singularities. The two subjec…
Universal Functions for Topological Correlators
Elias Furrer, Jan Manschot
We consider correlation functions of topologically twisted, supersymmetric Yang-Mills theory with gauge group and massive hypermultiplets…