List of examples in general topology

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This is a list of useful examples in general topology, a field of mathematics.

• Alexandrov topology
• Cantor space
• Co-kappa topology
• Cocountable topology
• Cofinite topology
• Compact-open topology
• Compactification
• Discrete topology
• Double-pointed cofinite topology
• Extended real number line
• Finite topological space
• Hawaiian earring
• Hilbert cube
• Irrational cable on a torus
• Lakes of Wada
• Long line
• Order topology
• Lexicographical/dictionary order
• Ordinal number topology
• Real line
• Split interval
• Overlapping interval topology
• Moore plane
• Sierpiński space
• Sorgenfrey line
• Sorgenfrey plane
• Space-filling curve
• Topologist's sine curve
• Trivial topology
• Unit interval
• Zariski topology