New Calabi-Yau Manifolds from Genetic Algorithms

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• Elli Heyes (City, University of London)
• Friday 10 November 2023, 11:30-12:30
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BLHW02 - Machine learning toolkits and integrability techniques in gravity

Calabi-Yau manifolds can be obtained as hypersurfaces in toric varieties built from reflexive polytopes. We generate reflexive polytopes in various dimensions using a genetic algorithm. As a proof of principle, we demonstrate that our algorithm reproduces the full set of reflexive polytopes in two and three dimensions, and in four dimensions with a small number of vertices and points. Motivated by this result, we construct five-dimensional reflexive polytopes with the lowest number of vertices and points.By calculating the normal form of the polytopes, we establish that many of these are not in existing datasets and therefore give rise to new Calabi—Yau four-folds.In some instances, the Hodge numbers we compute are new as well. Co-authors: Per Berglund, Yang-Hui He, Edward Hirst, Vishnu Jejjala, Andre Lukas

This talk is part of the Isaac Newton Institute Seminar Series series.

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