In mathematics, a condensation point p of a subset S of a topological space is any point p such that every neighborhood of p contains uncountably many points of S. Thus "condensation point" is synonymous with "-accumulation point".[1][2]
- ^ Efimov, B. A. (2001) [1994], "Condensation point of a set", Encyclopedia of Mathematics, EMS Press
- ^ Lynn Steen and J. Arthur Seebach, Jr., Counterexamples in Topology, 2nd Edition, pg. 5