# Popoviciu's inequality

> English word · Proper noun

## Definitions
1. A particular inequality about convex functions, similar to Jensen's inequality.
2. An upper bound on the variance of any bounded probability distribution.

## Etymology
Named after Romanian mathematician Tiberiu Popoviciu (1906–1975).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/popoviciu-s-inequality