Connections with other structures, applications Covering spaces Discrete subgroups of Lie groups Dynamics Euclidean geometries (general) and generalizations Fractals General topology Geometric group theory Geometry Group actions in low dimensions Group theory Group theory and generalizations Groups as automorphisms of other structures Hyperbolic and elliptic geometries (general) and generalizations Instructional exposition (textbooks, tutorial papers, etc.) Lie groups Low-dimensional topology Manifolds and cell complexes Mathematical analysis Noncompact transformation groups Number theory Real and complex geometry Special aspects of infinite or finite groups Surfaces Topological groups, Lie groups Topology Transformation groups and semigroups