When a series ∑a_n is absolutely convergent, it means that the sum of the absolute values of its terms, ∑|a_n|, converges. In other words, the positive version of the series converges.
Related terms
Conditional Convergence: A series that converges but not absolutely.
Divergence: A series that does not converge.
Alternating Series Test: A test used to determine if an alternating series converges or diverges based on certain conditions.