Abstract
Lower postnikov terms of generalized CW complexes and semi-simple actions.- 3-fold branched coverings and the mapping class group of a surface.- Locally flat embeddings of three dimensional manifolds in four dimensional manifolds.- Differential characters and geometric invariants.- Minimal branched immersions into three-manifolds.- Representations of fundamental groups of surfaces.- Comparison theorems for volumes in surfaces.- The isometry-invariant geodesics problem: Closed and open.- Attractors for discrete-time monotone dynamical systems in strongly ordered spaces.- Presentation classes, 3-manifolds and free products.- Proper actions on homogeneous spaces.- Deformation spaces for seifert manifolds.- Abelian invariants of satellite knots.- An introduction to compactifying spaces of hyperbolic structures by actions on trees.- A note on an invariant of fintushel and stern.- Handlebodies and 2-complexes.- Extrema associated with homotopy classes of maps.- Geometries and geometric structures in real dimension 4 and complex dimension 2.
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