Category:Complementarity constraints
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This category contains optimization problems with complementarity constraints (MPCCs), for generic variables / functions 
in the form of
![\begin{array}{llcl}
\displaystyle \min_{y_1, y_2, y_3} & & & \Phi(y_1, y_2, y_3) \\[1.5ex]
\mbox{s.t.} & 0 & = & F ( y_1, y_2, y_3), \\
& 0 & \le & C ( y_1, y_2, y_3), \\
& 0 & \le & y_1 \perp y_2 \ge 0,
\end{array}](https://mintoc.de/images/math/a/4/1/a41c1faf8271852a05aaba326dd240ef.png)
The complementarity operator 
implies the disjunctive behavior
MPCCs may arise from a reformulation of a bilevel optimization problem by writing the optimality conditions of the inner problem as variational constraints of the outer optimization problem, or from a special treatment of state-dependent switches, <bibref>Baumrucker2009</bibref>. Note that all MPCCs can be reformulated as MPECs.
References
<bibreferences/>
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