Essential Singularity

GPTKB entity

Statements (18)
Predicate Object
gptkbp:instanceOf gptkb:mathematical_concept
gptkbp:characterizedBy Non-removable isolated singularity
Laurent series with infinitely many negative degree terms
gptkbp:contrastsWith gptkb:Pole
Removable Singularity
gptkbp:definedIn Behavior of holomorphic functions
gptkbp:example f(z) = exp(1/z) at z=0
f(z) = sin(1/z) at z=0
gptkbp:field gptkb:Complex_Analysis
https://www.w3.org/2000/01/rdf-schema#label Essential Singularity
gptkbp:namedFor gptkb:Karl_Weierstrass
gptkb:Sofia_Kovalevskaya
gptkbp:property Function attains nearly all complex values near the singularity
Function exhibits wild behavior near the singularity
gptkbp:theory Casorati-Weierstrass theorem
Picard's Great Theorem
gptkbp:bfsParent gptkb:Meromorphic_Functions
gptkbp:bfsLayer 7