New posts in Separation Axioms

Separation axioms on a finite space imply discrete topology?

Does removing finitely many points from an open set yield an open set?

Separability and the Nagata-Smirnov Metrisation Theorem

Separating closed sets in Moore plane / Niemytzki plane (Topology)

quotient topology doesn't preserve separation axioms

Pre-image of Hausdorff space is Hausdorff

Left adjoints to some inclusions of categories of topological spaces

Every Topological Vector Space is Regular

Cofinite\discrete subspace of a T1 space?

Upper semicontinuity on a normal space