Symmetric ring
related: semicommutative ring
broader: non-commutative ring theory
preferred label: حلقه متقارن @fa
type: Concept

non-commutative ring theory
preferred label: نظریه حلقه‌های تعویض‌نا‌پذیر @fa
type: Concept
narrower: Symmetric ring

semicommutative ring
preferred label: حلقه نیم جابجایی @fa
type: Concept
related: Symmetric ring