Virasoro constraints for stable pairs on toric threefolds by Miguel Moreira, Alexei Oblomkov, Andrei Okounkov, Rahul Pandharipande

“…Since the Virasoro constraints in Gromov–Witten theory are known to hold in the toric case, we establish the stationary Virasoro constraints for the theory of stable pairs on toric threefolds. …”
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