Sober Space: Mathematics, Topological Space, Hyperconnected Closure

Totally Disconnected Space: Topology, Mathematics, Topological Space, Connected Space

Noetherian Topological Space: Mathematics, Space, Descending Chain Condition

Perfect Map: Mathematics, Topology, Topological Space

Closure (mathematics): Topological closure, Galois connection, Limit of a sequence, Operator, Closed...