Eilenberg–MacLane space
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Lens space
3-manifold
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Real projective space
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List of manifolds
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Incompressible surface
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Heegaard splitting
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Geometric topology
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Poincaré duality
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Glossary of differential geometry and topology
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Georges de Rham
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List of geometric topology topics
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Covering space
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Group cohomology
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Geometrization conjecture
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List of unsolved problems in mathematics
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Riemannian manifold
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