Algebraic Topology. Poznan 1989: Proceedings of a Conference Held in Poznan, Poland, June 22-27, 1989 (Paperback, 1991)

Some applications of shifted subgroups in transformation groups.- Equivariant finiteness obstruction and its geometric applications - A survey.- On conic spaces.- Computations of stable pseudoisotopy spaces for aspherical manifolds.- The fundamental groups of algebraic varieties.- Invariants of graphs and their applications to knot theory.- Morse theory of closed 1-forms.- Morava K-theories: A survey.- Examples of lack of rigidity in crystallographic groups.- Sur la Topologie des Bras Articules.- Semicontractible link maps and their suspensions.- The KO-assembly map and positive scalar curvature.- Equivariant splittings associated with smooth toral actions.- Lefschetz numbers of C -complexes.- On the homotopy category of Moore spaces and an old result of Barratt.- An additive basis for the cohomology of real Grassmannians.- On the topology of the space of reachable symmetric linear systems.- Homotopy ring spaces and their matrix rings.- Homotopy colimits on E-I-categories.- On bordism rings with principal torsion ideal.- "Localization and the sullivan fixed point conjecture".- Characteristic numbers and group actions.- Remarks on one fixed point A 5-actions on homology spheres.- A note on the mod 2 cohomology of SL(?).- Characteristic classes and 2-modular representations for some sporadic simple groups - II.- The abelianization of the theta group in low genus.