Kelvin transformation
preferred label: تبدیل کلوین @fa
type: Concept
related: inversion

nine-point circle
preferred label: دایره نه نقطه‌ای @fa
type: Concept
related: inversion

inversion
related: nine-point circle
related: 6-sphere coordinates
related: Kelvin transformation
broader: geometric transformation
preferred label: انعکاس @fa
type: Concept

geometric transformation
preferred label: تبدیل هندسی @fa
type: Concept
narrower: inversion

6-sphere coordinates
preferred label: مختصات 6-کره @fa
type: Concept
related: inversion