discrete
second-countable
underlying set
Kolmogorov space
topologize
metacompact
metrizable
Baire space
open set
topologic
disjoint union
Lindelöf space
wedge sum
sheaf
orbispace
covering space
cohomology
topologized
topologically
locally compact group
subspace topology
homotopy
phase space
sober space
Eilenberg-MacLane space
locally compact
subbase
trivial topology
Alexandrov topology
topological property
continuous function
Krein-Milman theorem
compact space
relative topology
standard topology
subtopology
topomorphological
topological
cofinite topology
direct product
algebraic fundamental group
compactum
isotopological
sequential compactness
topologicality
disjoint union topology
Polish space
antispace
initial topology
compactification