Proceedings of the Second Conference on Compact Transformation Groups. University of Massachusetts, Amherst, 1971

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Invariants for semi-free s1-actions.- Topological s1 and Z2k actions on spheres.- Characteristic invariants of free differentiable actions of S1 and S3 on homotopy spheres.- Differentiable pseudo-free circle actions on homotopy seven spheres.- Semifree circle actions with twisted fixed point sets.- Z2-torus actions on homotopy spheres.- Free and semi-free smooth actions of S1 and S3 on homotopy spheres.- Cobordism of involutions revisited.- Bemerkungen ¿er ¿uivariante Euler-klassen.- Existence of fixed points.- Cobordism of line bundles with restricted characteristic class.- Unitary bordism of monogenic groups and isometries.- Quillen's theorem for MU.- Equivariant characteristic numbers.- Cobordism of diffeomorphisms of (k-1)-connected 2k-manifolds.- The index of manifolds with toral actions and geometric interpretations of the ?(?, (S1, Mn)) invariant of atiyah and singer.- Involutions on homotopy complex projective spaces and related topics.- On the homology of weighted homogeneous manifolds.- Equivariant resolution of singularities with C* action.- Strange circle actions on products of odd dimensional spheres, and rational homotopy.- Examples of actions on manifolds almost diffeomorphic to Vn+1, 2.- On unitary and sympletic knot manifolds.- A classification of 6-manifolds with free S1 actions.- SU(n) actions on manifolds with vanishing first and second integral pontrjagin classes.- On the splitting principle and the geometric weight system of topological transformation groups I.- Equivariant singular homology and cohomology for actions of compact lie groups.- Cyclic branched covers and o(n)-manifolds.- Degree of symmetry of closed manifolds.- Transfer homomorphisms of whitehead groups of some cyclic groups, II.- Surgery on four-manifolds and topological transformation groups.