J Choi, S Katz, A Klemm - Communications in Mathematical Physics, 2014 - Springer
… We explicitly compute refined invariants in low degree for local P2 and local P1 × P1 and check that they agree with the predictions of the direct integration of the generalized …
… stablepairs are scheme theoretically supported on the zero section, we express stablepair invariants … verifications for these local geometries for more general low degree curve classes. …
… of stablepairinvariants. In the first section we introduce the notion of a stablepair … This neighborhood U must be equal to X × B: we can reduce this to the affine case, so assume X = …
Y Cao, Y Toda - Advances in Mathematics, 2022 - Elsevier
… These invariants are automatically zero unless L ⋅ β = 0 by … stablepairinvariants in terms of Gopakumar-Vafa invariants of D … By Grothendieck-Riemann-Roch formula, we reduce the …
M Kool - The Quarterly Journal of Mathematics, 2016 - academic.oup.com
… stablepairinvariants to the Poincaré invariants of Dürr–Kabanov–Okonek. The latter are equal to the Seiberg–Witten invariants of |… Reducedstablepairinvariants have been studied by …
… for stablepairs on the P2-bundle. The branch maps of Thaddeus and Alexeev-Knutsen [1] are reduced … Since the stablepairinvariants Pn,β are certainly integral, we conclude the BPS …
… Invariants counting curves in X via stablepairs have been defined in [26]. A … For the application to reduced β, we only need the result for stablepairs with reduced support. So, we work …
M Kool - arXiv preprint arXiv:1303.5340, 2013 - Citeseer
… Since the reducedstablepairinvariants are still defined for S, β … Although stablepairinvariants in classes β, k−β generally … We also study the non-reducedstablepairinvariants of any S…
… For a K3 surface S and a class β ∈ Pic(S), we study motivic invariants of stablepairs moduli … reduced virtual fundamental class of the moduli space of stable maps to S or the stablepairs …