spectral set
type: Concept
broader: spectral analysis
preferred label: مجموعه طیفی @fa
related: spectral operator
related: delay differential equation

spectral analysis
type: Concept
narrower: spectral set
preferred label: آنالیز طیفی @fa

delay differential equation
type: Concept
preferred label: معادله دیفرانسیل تاخیری @fa
related: spectral set

spectral operator
type: Concept
preferred label: عملگر طیفی @fa
related: spectral set