summable
Adjective
Meaning
Able to be summed (able to be added); that is, able to be summed up (able to be added up); thus:
Addible.
Able to be summarized; summarizable.
(mathematics, of a function) Having a Lebesgue integral.
Source: en.wiktionary.orgSynonyms
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Examples
Define the sum S of the family a as the limit : if it exists and say that the family a is unconditionally summable.
In the absolutely summable case, the inequality proves uniform convergence.
When ∑a n is unconditionally summable, then the series remains convergent after any permutation σ of the set N of indices, with the same sum, : Conversely, if every permutation of a series ∑a n converges, then the series is unconditionally convergent.