The weighted horizontal linear complementarity problem on a Euclidean Jordan algebra

Xiaoni Chi (), M. Seetharama Gowda () and Jiyuan Tao ()
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Xiaoni Chi: Guilin University of Electronic Technology
M. Seetharama Gowda: University of Maryland, Baltimore County
Jiyuan Tao: Loyola University Maryland

Journal of Global Optimization, 2019, vol. 73, issue 1, No 6, 153-169

Abstract: Abstract A weighted complementarity problem is to find a pair of vectors belonging to the intersection of a manifold and a cone such that the product of the vectors in a certain algebra equals a given weight vector. If the weight vector is zero, we get a complementarity problem. Examples of such problems include the Fisher market equilibrium problem and the linear programming and weighted centering problem. In this paper we consider the weighted horizontal linear complementarity problem in the setting of Euclidean Jordan algebras and establish some existence and uniqueness results. For a pair of linear transformations on a Euclidean Jordan algebra, we introduce the concepts of $$\mathbf{R}_0$$ R 0 , $$\mathbf{R}$$ R , and $$\mathbf{P}$$ P properties and discuss the solvability of wHLCPs under nonzero (topological) degree conditions. A uniqueness result is stated in the setting of $${\mathbb {R}}^{n}$$ R n . We show how our results naturally lead to interior point systems.

Keywords: Weighted horizontal linear complementarity problem; Euclidean Jordan algebra; Degree; $$\mathbf{R}_0$$ R 0 -pair; 90C30 (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (6)

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DOI: 10.1007/s10898-018-0689-z

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