Ultrafilters and Topologies on Groups

From the contents: Topological Groups Ultrafilters Topological Spaces with Extremal Properties Left Invariant Topologies and Strongly Discrete Filters Topological Groups with Extremal Properties The Semigroup ssS Ultrafilter Semigroups Finite Groups in ssG Ideal Structure of ssS Almost Maximal Topological Groups and Spaces Resolvability Open Problems