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