The stability-condition and quantum-cohomology correspondence for local P2\mathbb P^2

From papers

Let X=OP2(3)X=\mathcal O_{\mathbb P^2}(-3), and let Stabn0(X)\operatorname{Stab}^{0}_{n}(X) be the normalized connected submanifold of stability conditions defined by Z(Ox)=iZ(\mathcal O_x)=i. Let A2={(z0,z1,z2)C3:z0+z1+z2=i}\mathbb A^2=\{(z_0,z_1,z_2)\in\mathbb C^3:z_0+z_1+z_2=i\}, and let Z ⁣:Stabn0(X)A2\mathcal Z\colon\operatorname{Stab}^{0}_{n}(X)\longrightarrow\mathbb A^2 send a stability condition to (Z(S0),Z(S1),Z(S2))(Z(S_0),Z(S_1),Z(S_2)). Let M~0/C\tilde M^0/\mathbb C be the quotient of the relevant universal-covering space on the quantum-cohomology side, and let W ⁣:M~0/CA2\mathcal W\colon\tilde M^0/\mathbb C\longrightarrow\mathbb A^2 be the homogeneous twisted period map. Stability-condition/quantum-cohomology conjecture. There is a commuting diagram

Stabn0(X)FM~0/CZWA2=A2\begin{CD} \operatorname{Stab}^{0}_{n}(X) &@>F>> &\tilde M^0/\mathbb C\\ @V{\mathcal Z}VV && @V{\mathcal W}VV \\ \mathbb A^2 &@= &\mathbb A^2 \end{CD}

Moreover, FF is an isomorphism onto a dense open subset. This conjecture predicts that the normalized stability-condition space for the local Calabi–Yau threefold XX is related to the quantum-cohomology side by the homogeneous twisted period map. The source gives no evidence of a resolution, so the conjecture remains open.

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Sources & referencesView supporting material

Primary source

Tom Bridgeland, “Stability conditions on a non-compact Calabi-Yau threefold”, arXiv:math/0509048 (2006).

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