Logarithmic GW/PT correspondence for primary insertions

Let (YY)(Y\mid\partial Y) be a toric threefold pair, let β\beta be a curve class, let μ\bm\mu be a vector of partitions, and let \upalpha\upalpha be an insertion. Write dβd_\beta for the anti-canonical degree of β\beta, and let (μj)\ell(\mu_j) and μj|\mu_j| denote the length and size of the jjth partition. GW/PT correspondence. The PT series ZPT(YY;q\upalphaμ)Z_{\sf PT}(Y\mid\partial Y;q\mid\upalpha\mid\bm\mu) is the Laurent expansion of a rational function. Under q=eiuq=-e^{iu}, one has

(q)dβ/2ZPT(YY;q\upalphaμ)β=(iu)dβ+(μj)μjZGW(YY;u\upalphaμ)β.(-q)^{-d_\beta/2}\cdot Z_{\sf PT}(Y\mid\partial Y;q\mid\upalpha\mid\bm\mu)_\beta = (-iu)^{d_\beta+\sum \ell(\mu_j)-|\mu_j|}\cdot Z_{\sf GW}(Y\mid\partial Y;u\mid\upalpha\mid\bm\mu)_\beta.

This is the logarithmic GW/PT correspondence for primary insertions, asserting both rationality of the PT series and equality with the GW series after the specified change of variables and normalization. The source identifies it as a conjecture previously formulated as Conjecture A; the present paper proves the correspondence for equivariant toric threefold pairs.

Sources & referencesView supporting material

Primary source

Davesh Maulik and Dhruv Ranganathan, “The GW/PT conjectures for toric pairs”, arXiv:2603.07772 (2026).

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