semi-equivalence operator
accounting-operator number identification(CAMA-ONI)operator
Bernstein-type operator (B-type operator)
lowering operator and raising operator
singular integral operator and potential operator
The Derived Operator of Kleene Implication Operator
the Wigner operator and the entangled Wigner operator
acquired equivalence of cues
Adjoint equivalence class
adjoint equivalence graph
agency equivalence of causing geohazards