cardinal utility theory
Expected Utility Theory
Generalized expected utility theory
Multiattribute Utility Theory
multi-attribute utility theory
multi-attribute utility theory MAUT
multiple attribute utility theory
multiple utility theory
Rank-dependent utility theory
Subjective expected utility theory
Non-expected Utility Theory
BCS theory (=Bardeen-Cooper- Schrieffer theory)
Brunauer-Emmett-Teller adsorption theory (= BET adsorption theory)
collision theory hard sphere theory