Abstract
Motivated by the classical statements of Mirror Symmetry, we study certain Kähler metrics on the complexified Kähler cone of a Calabi–Yau threefold, conjecturally corresponding to approximations to the Weil–Petersson metric near large complex structure limit for the mirror. In particular, the naturally defined Riemannian metric (defined via cup-product) on a level set of the Kähler cone is seen to be analogous to a slice of the Weil–Petersson metric near large complex structure limit. This enables us to give counterexamples to a conjecture of Ooguri and Vafa that the Weil–Petersson metric has non-positive scalar curvature in some neighborhood of the large complex structure limit point.
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Communicated by P. Gilkey.
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Trenner, T., Wilson, P.M.H. Asymptotic Curvature of Moduli Spaces for Calabi–Yau Threefolds. J Geom Anal 21, 409–428 (2011). https://doi.org/10.1007/s12220-010-9152-1
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DOI: https://doi.org/10.1007/s12220-010-9152-1
Keywords
- Mirror symmetry
- Weil–Petersson metric
- Large complex structure limit points
- Large radius limit points
- Curvature