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- W2019375311 abstract "We identify a set of energy functionals on the space of metrics in a given Kaehler class on a Calabi-Yau manifold, which are bounded below and minimized uniquely on the Ricci-flat metric in that class. Using these functionals, we recast the problem of numerically solving the Einstein equation as an optimization problem. We apply this strategy, using the algebraic metrics (metrics for which the Kaehler potential is given in terms of a polynomial in the projective coordinates), to the Fermat quartic and to a one-parameter family of quintics that includes the Fermat and conifold quintics. We show that this method yields approximations to the Ricci-flat metric that are exponentially accurate in the degree of the polynomial (except at the conifold point, where the convergence is polynomial), and therefore orders of magnitude more accurate than the balanced metrics, previously studied as approximations to the Ricci-flat metric. The method is relatively fast and easy to implement. On the theoretical side, we also show that the functionals can be used to give a heuristic proof of Yau's theorem." @default.
- W2019375311 created "2016-06-24" @default.
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- W2019375311 date "2013-01-01" @default.
- W2019375311 modified "2023-10-16" @default.
- W2019375311 title "Energy functionals for Calabi-Yau metrics" @default.
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- W2019375311 doi "https://doi.org/10.4310/atmp.2013.v17.n5.a1" @default.
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