cubic equation
preferred label: معادله درجه‌ سوم @fa
type: Concept
related: Omar khayyam

Euclidean geometry
preferred label: هندسه اقلیدسی @fa
type: Concept
related: Omar khayyam

Riemannian geometry
preferred label: هندسه ریمانی @fa
type: Concept
related: Omar khayyam

Omar khayyam
related: Riemannian geometry
related: parallel postulate
related: cubic equation
related: hyperbolic geometry
related: Euclidean geometry
preferred label: عمر خیام @fa
type: Concept
broader: mathematician

parallel postulate
preferred label: اصل توازی @fa
type: Concept
related: Omar khayyam

hyperbolic geometry
preferred label: هندسه هذلولوی @fa
type: Concept
related: Omar khayyam

mathematician
preferred label: ریاضی دان @fa
type: Concept
narrower: Omar khayyam