hyperbolic point
broader: differential geometry of surfaces
preferred label: نقطه هذلولوی @fa
related: propagation of singularity
related: saddle surface
related: saddle point
related: total curvature
related: Hessian matrix
type: Concept

Hessian matrix
preferred label: ماتریس هسین @fa
type: Concept
related: hyperbolic point

total curvature
preferred label: خمیدگی کل @fa
type: Concept
related: hyperbolic point

saddle surface
preferred label: رویه زینی @fa
type: Concept
related: hyperbolic point

differential geometry of surfaces
preferred label: هندسه دیفرانسیل رویه‌ها @fa
type: Concept
narrower: hyperbolic point

saddle point
preferred label: نقطه زینی @fa
type: Concept
related: hyperbolic point

propagation of singularity
preferred label: انتشار تکینی @fa
type: Concept
related: hyperbolic point