Geometric Topology

Decompositions and absolute neighborhood retracts.- A short proof of a kirby flattening theorem.- General position and algebraic independence.- Vertical general position.- Semicellular sets in crumpled cubes.- Free spheres with mapping cylinder neighborhoods.- Taming cell-like embedding relations.- Some non-continuous functions and pseudo-flattenings.- Homotopic homeomorphisms of Hilbert cube manifolds.- A homotopy theoretic approach to lie groups.- On the absence of tame disks in certain wild cells.- A summary of results and problems concerning flatness of codimension one spheres in En.- S1 cross a UV decomposition of S3 yields S1×S3.- Demension theory, I.- Automorphisms of circle bundles over surfaces.- On mildly cellular pseudo cells.- Almost all simply connected closed surfaces are rigid.- Semifree group actions and homology spheres.- Approximating stratum preserving CE maps between CS sets by stratum preserving homeomorphisms.- One sided incompressible surfaces in 3-manifolds.- A local factorization theorem for arcs with finite penetration index.- Regular Zn-actions.- Roots, relations and centralizers in three-manifold groups.- Normal bundles for codimension 2 locally flat imbeddings.- The ?ech homology of compact connected abelian topological groups with applications to shape theory.- k-Sphere mappings on S2k+1.- Codimension 1 foliations on manifolds with even index.- The residual finiteness of the groups of classical knots.- Cutting off homotopies on acyclic sets.- Homotopy groups of automorphism spaces.- On codimension two embeddings.- A codimension two taming theorem.- Semifree group actions and surgery on PL homology manifolds.- A surgical view of Alexander's polynomial.- A summation: The compacta X in Sn for which Sh(X)=Sh(Sk) is equivalent to Sn?X?Sn?Sk.- Locally homotopically unknotted embeddings of manifolds in codimension two.- Spines and spinelessness.- Monotone mappings and degree one mappings between PL manifolds.