ScalingStacks

Corollary 2.29 . [041F]

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Corollary 2.29.

There exist T2T^{2}-moment coordinates μ~1ℂ3\tilde{\mu}_{1}^{\mathbb{C}^{3}}, μ~2ℂ3\tilde{\mu}_{2}^{\mathbb{C}^{3}} on (ℂ3,ωℂ3)(\mathbb{C}^{3},\omega_{\mathbb{C}^{3}}) with global estimate

|μi−μ~iℂ3|≤CA−3/4ℓ−ϵ|μ→|a−1+ϵ.|\mu_{i}-\tilde{\mu}_{i}^{\mathbb{C}^{3}}|\leq CA^{-3/4}\ell^{-\epsilon}|\vec{\mu}|_{a}^{-1+\epsilon}.

The map ℂ3→(μ~1ℂ3,μ~2ℂ3,Im​(η))ℝ3\mathbb{C}^{3}\xrightarrow{(\tilde{\mu}_{1}^{\mathbb{C}^{3}},\tilde{\mu}_{2}^{\mathbb{C}^{3}},\text{Im}(\eta))}\mathbb{R}^{3} is a special Lagrangian fibration with phase angle zero, whose critical point set is ⋃i,j{zi=zj=0}\bigcup_{i,j}\{z_{i}=z_{j}=0\} and whose discriminant locus agrees with (1.2).

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