Novel Concepts in Vague Graphs with Application in Hospital’s Management System

Table 1

Some basic notations.

Notation	Meaning
FG	Fuzzy graph
VS	Vague set
FS	Fuzzy set
VG	Vague graph
CVG	Complete vague graph
SVG	Strong vague graph
BM	Bijective mapping
HM	Homomorphism
WI	Weak isomorphism
IH	Injective homomorphism
CWI	Coweak isomorphism
BH	Bijective homomorphism
SG	Subgraph
IV	Isolated vertex
CG	Complete graph
VSG	Vague subgraph