In topology and related branches of mathematics, a topological space X is a T0 space or Kolmogorov space if for every pair of distinct points of X, at least one of them has an open neighborhood not containing the other. This condition, called the T0 condition, is one of the separation axioms. Its intuitive meaning is that the points of X are topologically distinguishable. These spaces are named after Andrey Kolmogorov.
Read more about Kolmogorov Space: Definition, Examples and Nonexamples, Operating With T0 Spaces, The Kolmogorov Quotient, Removing T0
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