graded ring
preferred label: حلقه مدرج @fa
type: Concept
narrower: associated graded ring of ideal

filteration
preferred label: پالایش @fa
type: Concept
related: associated graded ring of ideal

associated graded ring of ideal
related: filteration
broader: graded ring
preferred label: حلقه مدرج وابسته ایده‌آل @fa
type: Concept