---
tag: 0W1K48V5SG
kind: concept
name: Rearrangement of a series
msc: [40A05]
sources:
  - url: https://en.wikipedia.org/wiki/Riemann_series_theorem
    locator: Definitions
---

## Summary

A rearrangement of a series is the series of the same terms taken in a new order, given by a bijection of the indices. Rearrangements keep the sum of an absolutely convergent series. The node [[rearrangement of a series|0HRJ2Y74T3]] gives the precise definition.