| 57-XX |
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Manifolds and cell complexes For complex manifolds, see 32Qxx |
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57Mxx |
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Low-dimensional topology |
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57M05 |
Fundamental group, presentations, free differential calculus |
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57M07 |
Topological methods in group theory |
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57M10 |
Covering spaces |
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57M12 |
Special coverings, e.g. branched |
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57M15 |
Relations with graph theory [See also 05Cxx] |
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57M20 |
Two-dimensional complexes |
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57M25 |
Knots and links in $S^3$ For higher dimensions, see 57Q45 |
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57M27 |
Invariants of knots and 3-manifolds |
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57M30 |
Wild knots and surfaces, etc., wild embeddings |
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57M35 |
Dehn's lemma, sphere theorem, loop theorem, asphericity |
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57M40 |
Characterizations of $E^3$ and $S^3$ (Poincaré conjecture) [See also 57N12] |
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57M50 |
Geometric structures on low-dimensional manifolds |
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57M60 |
Group actions in low dimensions |
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57M99 |
None of the above, but in this section |
