#
nLab

circled set

### Context

#### Functional analysis

## Overview diagrams

## Basic concepts

## Theorems

## Topics in Functional Analysis

A subset $C$ of a vector space $V$ over either $\mathbb{R}$ or $\mathbb{C}$ is **circled** if $\lambda C \subseteq C$ whenever ${|\lambda|} \le 1$.

Created on May 23, 2013 at 19:52:40.
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