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    "text": "Klein geometry, part of the Erlangen Program introduced by F. Klein, studies geometry via transformation groups. A Klein geometry is defined as a space X=G/H, where G is a Lie group acting transitively on X. This unifies classical geometries under symmetry.https://arxiv.org/abs/0807.3161",
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    "createdAt": "2025-04-10T05:00:05.945Z"
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