accumulation point

Fetched 2026-10-26 (cache).

Synonyms: accumulation points

Antonyms: accumulation points

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|topology|"of" a subset of a [[topological space]]}} Given a subset ''S'' of a [[topological space]] ''X'', a point ''x'' whose every [[neighborhood]] contains at least one point distinct from ''x'' that belongs to ''S''.
2. {{lb|en|analysis|"of" a [[sequence]]}} Given a sequence ''s_i'', a point ''x'' whose every neighborhood contains at least one element of the sequence distinct from ''x''.
3. {{lb|en|systems theory|dynamical systems|chaos theory}} For certain maps, a point beyond which periodic orbits give way to chaotic ones.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.