Topology Symposium Siegen 1979 [electronic resource] : Proceedings of a Symposium Held at the University of Siegen, June 14–19, 1979 / edited by Ulrich Koschorke, Walter D. Neumann.

Projective space immersions, bilinear maps and stable homotopy groups of spheres -- Multiple points of codimension one immersions -- h-cobordisms and twisted doubles -- Homotopy invariants of foliations -- On ends of groups and Johannson's deformation theorem -- Weaving patterns and polynomials -- Vector fields on (4q+2) - manifolds -- Simplices of maximal volume in hyperbolic space, Gromov's norm, and Gromov's proof of Mostow's rigidity theorem (following Thurston) -- An invariant of plumbed homology spheres -- Some topology of Zariski surfaces -- A fibration for Diff?n -- On vanishing of the Rohlin invariant and nonfinitely amphicheiral homology 3-spheres -- Cobordism of maps with simplest singularities -- A spectral sequence convergent to equivariant K-theory -- An equivariant surgery sequence and equivariant diffeomorphism and homeomorphism classification (A survey) -- Äquivariante konfigurationsräume und Abbildungsräume -- On equivariant homotopy theory -- Some formulae and conjectures associated with circle actions -- Equivariant K-theory and homotopy rigidity -- Homotopielineare Involutionen auf Sphären -- Group actions on hypertoral manifolds. I -- Graeme Segal's Burnside Ring Conjecture -- An algebraic proof of a theorem of J. Milnor -- Representations of Brown-Titler spectra -- Pseudo-isotopy and invariant theory, II: Rational algebraic K-theory of a space with finite fundamental group -- Secondary cohomology operations applied to the Thom class -- Splittings of loop spaces, torsion in homotopy, and double suspension. [after F. Cohen, J.C. Moore, and J. Neisendorfer; J. Neisendorfer; and P. Selick] -- Characteristic classes of representations over imaginary quadratic fields -- Localization in algebraic L-theory.