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20172025
most citedDegeneracy loci, virtual cycles and nested Hilbert schemes I

25 citations · 26 across the 4 of their papers we have counts for

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2 papers · 1 filter

math.AG2024

Refined sheaf counting on local K3 surfaces

Richard P. Thomas

We compute all refined sheaf counting invariants -- Vafa-Witten, reduced DT, stable pairs and Gopakumar-Vafa -- for all classes on local surfaces. Along the way we develop ran…

math.AG2024★ 1 cited

Quantum Lefschetz without curves

Jeongseok Oh, Richard P. Thomas

Given one quasi-smooth derived space cut out of another by a section of a 2-term complex of bundles, we give two formulae for its virtual cycle. They are modelled on the the -fi…