57Qxx PL-topology
- 57Q05 General topology of complexes
- 57Q10 Simple homotopy type, Whitehead torsion, Reidemeister-Franz torsion, etc., See also {19B28}
- 57Q12 Wall finiteness obstruction for CW-complexes
- 57Q15 Triangulating manifolds
- 57Q20 Cobordism
- 57Q25 Comparison of PL-structures: classification, Hauptvermutung
- 57Q30 Engulfing
- 57Q35 Embeddings and immersions
- 57Q37 Isotopy
- 57Q40 Regular neighborhoods
- 57Q45 Knots and links (in high dimensions), {For the low-dimensional case, See 57M25}
- 57Q50 Microbundles and block bundles, See also {55R60, 57N55}
- 57Q55 Approximations
- 57Q60 Cobordism and concordance
- 57Q65 General position and transversality
- 57Q91 Equivariant PL-topology
- 57Q99 None of the above but in this section
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