Kolmogorov Space

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A Kolmogorov space, or a $T_0$ space, is a topological space in which no two points can be limit points of each other.[1] Of the topological spaces categorized under the most common separation axioms, Kolmogorov spaces are the least restrictive, being level $0$, and followed by $T_1$ spaces, also known as Fréchet spaces, after mathematician Maurice René Fréchet.$^{\text{[citation needed]}}$

Further Reading

See Also

References

  1. Steen, Lynn Arthur, and J. Arthur Seebach. Counterexamples in Topology. New York: Dover Publications, 1995. pg. 11.