Research any topic before you write.

Find related topics. | Discover entities. | See connections. | Build a topical map.

Unit disk

In mathematics, the open unit disk (or disc) around P (where P is a given point in the plane), is the set of points whose distance from P is less than 1:

Measurement & Products

Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.

Research this topic

Explore the main themes, entities and connections around Unit disk. Start with the topic map, then use the sections below for research and deeper semantic analysis.

Explore this topic

Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.

The open unit disk, the plane, and the upper half-plane

16 related topics

Hyperbolic plane

11 related topics

Unit disks with respect to other metrics

8 related topics

Overview

12 related topics

Topics to explore

Browse the full topic structure. Each item opens a new analysis centered on that subject.

Overview

The open unit disk, the plane, and the upper half-plane

Hyperbolic plane

Unit disks with respect to other metrics

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

Map overview Semantic statistics

Unit disk

Nodes52
Edges51
Triples35
Avg. degree1.96
Density0.038462
Components1

How this topic connects Entity context

See the strongest relationship patterns around the current topic before diving into the raw triples.

Unit disk

Top relations

related to External links · 14
Unit disk → Area, Eric, Lock-gray-alt-2, Lock-green, Lock-red-alt-2, MathWorld, On, Pavia, Perimeter, Thompson, Unit, Unit Disc, Weisstein, Wikisource-logo
related to Hyperbolic plane · 8
Unit disk → Both, Cayley, Circular, In, Klein, Poincaré, SU, The
related to Unit disks with respect to other metrics · 7
Unit disk → Chebyshev, Euclidean, For, In, One, Stanisław Gołąb, The
related to The open unit disk, the plane, and the upper half-plane · 3
Unit disk → Considered, In, The
see also · 2
Unit disk → Branges's, Unit
is a · 1
Unit disk → regular hexagon or a parallelogram

Important terminology Word statistics

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

unit disk open plane circle conformal half-plane bijective one upper metric model complex displaystyle disks also perimeter set interior hyperbolic

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Unit diskis aregular hexagon or a parallelogram0.90text
Unit diskrelated to External linksLock-green0.60section
Unit diskrelated to External linksLock-gray-alt-20.60section
Unit diskrelated to External linksLock-red-alt-20.60section
Unit diskrelated to External linksWikisource-logo0.60section
Unit diskrelated to External linksWeisstein0.60section
Unit diskrelated to External linksEric0.60section
Unit diskrelated to External linksUnit0.60section
Unit diskrelated to External linksMathWorld0.60section
Unit diskrelated to External linksOn0.60section
Unit diskrelated to External linksPerimeter0.60section
Unit diskrelated to External linksArea0.60section

Related concept clusters Concept neighborhoods

These clusters group vocabulary that occurs around closely connected concepts in the source material.

    Connections between topic areas Semantic bridges

    Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.

    Min side: 3
    For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.