Constructible Sheaf: Abelian Group, Topological Space, Locally Closed Subset

Locally Compact Space: Topology, Mathematics, Topological space, Hausdorff Neighbourhood (mathematics), Closed set,...

Tietze Extension Theorem: Topology, Normal Topological Space, Real Number, Closed Subset

Topological Abelian Group: Group, Ring, Space, Group (Algebra), Commutative, Continuous (Topology)

Locally Free Sheaf: Sheaf Theory, Ringed Space, Neighborhood (mathematics)