Does string theory make actual use of Calabi-Yau manifolds in the mathematics it uses or just suggest that it would be helpful to use them? - Quora
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The geometry of String Compactifications (III): exploring the Calabi-Yau manifold - Mapping Ignorance
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The geometry of String Theory compactifications (II): finding the Calabi-Yau manifold - Mapping Ignorance
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