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Virtual invariants of critical loci in GIT quotients of linear spaces
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Virtual invariants of critical loci in GIT quotients of linear spaces
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We use an equivariant version of the localization formula of Jeffrey and Kirwan to prove a formula for virtual invariants $(\text{DT}$, $\chi_y$, $\text{Ell})$ of critical loci in quotients of linear spaces by actions of reductive algebraic groups. In particular we recover formulae for the invariants of critical loci of potentials in moduli spaces of quiver representations predicted by physicists.
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Cited by 1 Pith paper
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Elliptic Genera of 2d $\mathcal{N}=(0,1)$ Gauge Theories
Derives a residue formula for elliptic genera in 2d (0,1) gauge theories that recovers the Jeffrey-Kirwan prescription for (0,2) theories and applies it to the Gukov-Pei-Putrov model to study its phase structure.
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