TNP rule

 Table constraint

 Tableau

Tabu search

 Tangent cone

 Tangent plane

Target analysis

 Taylor expansion

 Taylor series

Taylor theorem

 Temporal CSP

 Theorem of alternative

Tight constraint

 Time staged

 Tolerance approach

Tolerances

 Topological sort

 Totally unimodular matrix

Transportation problem

 Transposition theorem

 Transshipment problem

Traveling salesman problem

 Triangle inequality

 Triangular matrix

Trim problem

 Truncated gradient

 Trust region method
