Neha Patil (Editor)

Ultraconnected space

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In mathematics, a topological space X is said to be ultraconnected if no pair of nonempty closed sets of X is disjoint. Equivalently, a space is ultraconnected if and only if the closures of two distinct points always have non trivial intersection. Hence, no T 1 space with more than 1 point is ultraconnected.

All ultraconnected spaces are path-connected (but not necessarily arc connected), normal, limit point compact, and pseudocompact.

References

Ultraconnected space Wikipedia