4-manifold
type: Concept
preferred label: خمینه چهار بعدی @fa
related: Zoll surface

connected sum
type: Concept
preferred label: مجموع همبند @fa
related: Zoll surface

knot theory
type: Concept
preferred label: نظریه گره @fa
related: Zoll surface

diffeomorphism
type: Concept
preferred label: وابرریختی @fa
related: Zoll surface

Zoll surface
type: Concept
broader: differential geometry of surfaces
preferred label: رویه زول @fa
related: knot theory
related: diffeomorphism
related: connected sum
related: 4-manifold

differential geometry of surfaces
type: Concept
narrower: Zoll surface
preferred label: هندسه دیفرانسیل رویه‌ها @fa