olemus
matemaatikas: mingile määratud väärtusele suunduma
Wiktionary, verb:
2. (intransitive, mathematics) (said of a sequence or series) to have a (finite, proper) limit

näiteid
(i) rida a₀ + a₁ + a₂ + ... on koonduv, kui ta summa on lõplik
(ii) vt koonduv jada

ülevaateid
https://en.wikipedia.org/wiki/Convergent_series
https://encyclopediaofmath.org/wiki/Convergence,_types_of
http://math.uchicago.edu/~may/REU2015/REUPapers/Lytle.pdf
https://arxiv.org/pdf/math/0612179.pdf

vt ka
https://en.wikipedia.org/wiki/Convergence_of_random_variables
https://en.wikipedia.org/wiki/Convergence_of_measures