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