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Universal polynomials for Gromov-Witten invariants on toric surfaces

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Abstract · v1

We study the polynomiality of combined logarithmic and ordinary Gromov-Witten invariants with a Lambda class insertion on toric surfaces Δ(c,d)Δ(\mathbf{c},\mathbf{d}). We show that the combined logarithmic Gromov-Witten invariants can be expressed in terms of universal relative node polynomials when the direction vector c\mathbf{c} and length vector d\mathbf{d} of the hh-transverse lattice polygon Δ(c,d)Δ(\mathbf{c},\mathbf{d}) are sufficiently large and spread out. In particular, when the normal fan of the hh-transverse lattice polygon Δ(c,d)Δ(\mathbf{c},\mathbf{d}) is smooth and its edges satisfy a length condition, we show that the combined Gromov-Witten invariants are equal to a universal node polynomial. We also show that the higher genus Block-Göttsche polynomials of smooth toric surfaces corresponding to these hh-transverse lattice polygons, including toric blowups beyond Hirzebruch and toric del Pezzo surfaces, are equal to a generating function of higher genus Gromov-Witten invariants.

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