Abstract
Existence of solutions to the Generalized Linear Complementarity Problem (GLCP) is characterized when the associated matrix is a vertical blockZ-matrix. It is shown that if solutions exist, then one must be the leastelement of the feasible region. Moreover, the vertical block Z-matrixbelongs to the class of matrices where feasibility implies existence of asolution to the GLCP. The concept of sufficient matrices of class Z isinvestigated to obtain additional properties of the solution set.
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Ebiefung, A.A., Kostreva, M.M. The Generalized Linear Complementarity Problem: Least Element Theory and Z-Matrices. Journal of Global Optimization 11, 151–161 (1997). https://doi.org/10.1023/A:1008224418676
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DOI: https://doi.org/10.1023/A:1008224418676