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Homogeneous Cone Complementarity Problems and $P$ Properties

Lingchen Kong (konglchen***at***126.com)
Levent Tuncel (ltuncel***at***math.uwaterloo.ca)
Naihua Xiu (nhxiu***at***center.njtu.edu.cn)

Abstract: We consider existence and uniqueness properties of a solution to homogeneous cone complementarity problem (HCCP). Employing the $T$-algebraic characterization of homogeneous cones, we generalize the $P, P_0, R_0$ properties for a nonlinear function associated with the standard nonlinear complementarity problem to the setting of HCCP. We prove that if a continuous function has either the order-$P_0$ and $R_0$, or the $P_0$ and $R_0$ properties then all the associated HCCPs have solutions. In particular, if a continuous function has the trace-$P$ property then the associated HCCP has a unique solution (if any); if it has the uniform-trace-$P$ property then the associated HCCP has the global uniqueness (of the solution) property (GUS). We present a necessary condition for a nonlinear transformation to have the GUS property. Moreover, we establish a global error bound for the HCCP with the uniform-trace-$P$ property. Finally, we study the HCCP with the relaxation transformation on a $T$-algebra and automorphism invariant properties for homogeneous cone linear complementarity problem.

Keywords: Homogeneous cone complementarity problem, $P$ property, existence of a solution, globally uniquely solvability property, error bound

Category 1: Complementarity and Variational Inequalities

Citation: Research Report, April 2009.

Download: [PDF]

Entry Submitted: 04/13/2009
Entry Accepted: 04/16/2009
Entry Last Modified: 11/11/2010

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