Algebraic Topology and Transformation Groups

The homotopy type of a 4-manifold with finite fundamental group.- Rational cohomology of configuration spaces of surfaces.- An S1-degree and S1-maps between representation spheres.- On certain siegel modular varieties of genus two and levels above two.- The RO(G)-graded equivariant ordinary cohomology of complex projective spaces with linear ?/p actions.- The equivariant degree.- Surgery transfer.- Some remarks on the Kirby-Siebenmann class.- The fixed-point conjecture for p-toral groups.- Simply connected manifolds without S1-symmetry.- 2×2 - matrices and application to link theory.