Local Pandharipande–Thomas invariants equal local Gopakumar–Vafa invariants

Let XX be as in the definition of local Gopakumar–Vafa invariants, let β\beta be an effective one-cycle class, and let γChowβ(X)\gamma\in\operatorname{Chow}_{\beta}(X). For gZg\in\mathbb Z, let ng,γP,locn_{g,\gamma}^{P,\mathrm{loc}} and ng,γlocn_{g,\gamma}^{\mathrm{loc}} denote the local stable-pair and local Gopakumar–Vafa invariants. Local PT/GV correspondence. One should have

ng,γP,loc=ng,γloc,γChowβ(X),gZ.n_{g,\gamma}^{P,\mathrm{loc}}=n_{g,\gamma}^{\mathrm{loc}},\qquad \gamma\in\operatorname{Chow}_{\beta}(X),\quad g\in\mathbb Z.

This is the local form of the PT/GV correspondence and would identify the two constructible-function-valued theories; the source gives no resolution.

Sources & referencesView supporting material

Primary source

Davesh Maulik and Yukinobu Toda, “Gopakumar-Vafa invariants via vanishing cycles”, arXiv:1610.07303 (2018).

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