Functional analysis

Rarity: Rare

A topic known well beyond its field, found in many languages.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Notion

Domain

Science and technology

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What Wikipedia says

Functional analysis is a branch of mathematical analysis, the core of which is formed by the study of vector spaces endowed with some kind of limit-related structure (for example, inner product, norm, or topology) and the linear functions defined on these spaces and suitably respecting these structures.

Excerpt from the Wikipedia article “Functional analysis”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Oleg Alexandrov, Public domain, via Wikimedia Commons.