3-sphere
type: Concept
broader: geometric topology
preferred label: کره سه بعدی @fa
related: torus bundle
related: unit tangent bundle

geometric topology
type: Concept
narrower: 3-sphere
preferred label: توپولوژی هندسی @fa

torus bundle
type: Concept
preferred label: کلاف چنبره @fa
related: 3-sphere

unit tangent bundle
type: Concept
preferred label: کلاف مماس یکه @fa
related: 3-sphere