positive Ricci curvature
preferred label: خمیدگی مثبت ریچی @fa
type: Concept
related: Weyl tensor

conformally curved geometry
preferred label: هندسه به‌طور همدیس خمیده @fa
type: Concept
narrower: Weyl tensor

general relativity
preferred label: نسبیت عام @fa
type: Concept
related: Weyl tensor

Weyl tensor
related: positive Ricci curvature
related: general relativity
broader: conformally curved geometry
preferred label: تانسور وایل @fa
type: Concept