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Questions that are about research in mathematics, or about the job of a research mathematician, without being mathematical problems or statements in the strictest sense. Do not use this tag for easy or supposedly easy mathematical questions.

2 votes

Conditions useful for proving paracompactness

Well, there's always compact or Lindelof + T3. I actually made a graph about that! Beyond that... Well, from counterexamples in topology we find out that: Fully Normal -> Paracompact T2 + Fully T …
Christopher Olah's user avatar