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Fuzzy graph and relation. Outline. Graph and fuzzy graph Characteristics of fuzzy relations Types of fuzzy relations. Graph and fuzzy graph. Graph. Graph and fuzzy graph. Fuzzy graph. ~. ~. V : is fuzzy node. Graph and fuzzy graph. Fuzzy graph and fuzzy relation.
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Outline • Graph and fuzzy graph • Characteristics of fuzzy relations • Types of fuzzy relations
Graph and fuzzy graph • Graph
Graph and fuzzy graph • Fuzzy graph ~ ~ V : is fuzzy node
Graph and fuzzy graph • Fuzzy graph and fuzzy relation
Graph and fuzzy graph • α-cut of fuzzy graph
Graph and fuzzy graph • α-cut of fuzzy graph
Graph and fuzzy graph • Fuzzy network
Characteristics of fuzzy relations • Reflexive relation
Characteristics of fuzzy relations • Symmetric relation ) ( ) ( ) ( ) (
Characteristics of fuzzy relations • An example of perfect antisymmetric
Characteristics of fuzzy relations • Transitive relation
Characteristics of fuzzy relations • An example of transitive relation
Characteristics of fuzzy relations • Transitive closure
Characteristics of fuzzy relations • An example of transitive closure
Types of fuzzy relation • Fuzzy equivalence relation • Reflexive relation • Symmetric relation • Transitive relation
Types of fuzzy relation (i) Reflexive relation √ (ii) Symmetric relation √ (iii) Transitive relation X
Types of fuzzy relation • Fuzzy equivalence relation applications • Partition of sets
Types of fuzzy relation • Fuzzy equivalence relation applications • Partition by α-cut
Types of fuzzy relation • Fuzzy equivalence relation applications • Set similar to element x Set similar to d Set similar to e
Types of fuzzy relation • Fuzzy compatibility relation • Reflexive relation • Symmetric relation
Types of fuzzy relation • Fuzzy pre-order relation • Reflexive relation • Transitive relation
Types of fuzzy relation • Fuzzy semi-pre-order or nonreflexive fuzzy pre-order relation • Reflexive relation • Transitive relation
Types of fuzzy relation • Anti-reflexive fuzzy pre-order relation • Anti-reflexive relation • Transitive relation (x,x) = 0
Types of fuzzy relation • Fuzzy order relation • Reflexive relation • Antisymmetric relation • Transitive relation • Perfect fuzzy order
Types of fuzzy relation • Fuzzy order relation crisp order
Types of fuzzy relation • Fuzzy order relation • Dominating class • Dominated class
Types of fuzzy relation • Dissimilitude relation • Antireflexive relation • Symmetric relation • Min-Max transitive relation
Types of fuzzy relation • ex Min number = 0.2
Types of fuzzy relation • ex (b,c); 0.4 v 0.1 = 0.4 0.0 v 0.2 = 0.2 0.2 v 0.0 = 0.2 1.0 v 0.3 = 1.0 (d,c) ; 0.0 v 0.1 = 0.1 1.0 v 0.2 = 1.0 0.3 v 0.0 = 0.3 0.0 v 0.3 = 0.3 Min number = 0.2 Min number = 0.1
Types of fuzzy relation • Fuzzy morphism • Homomorphism • Fuzzy homomorphism
Types of fuzzy relation • Fuzzy morphism • Strong homomorphism • Fuzzy strong homomorphism
Types of fuzzy relation • Fuzzy homomorphism
Types of fuzzy relation • Fuzzy strong homomorphism