Limiting behavior of trajectories generated by a continuation method for monotone complementarity problems

Limiting behavior of trajectories generated by a continuation method for monotone complementarity problems

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Article ID: iaor1991657
Country: United States
Volume: 15
Issue: 4
Start Page Number: 662
End Page Number: 675
Publication Date: Nov 1990
Journal: Mathematics of Operations Research
Authors: , ,
Abstract:

Defining the mapping F from the 2n-dimensional Euclidean space equ1into itself by equ2for every equ3, the authors write the CP, the complementarity problem, with a mapping equ4as the system of equations equ5and equ6, where equ7denotes the nonnegative orthant of equ8. Under the assumption that f is a monotone function on equ9, they show that F maps the positive orthant equ10of equ11homeomorphically. This result then ensures the existence of a trajectory consisting of the solutions equ12of the system of equations equ13and equ14where w is a continuous mapping from the unit interval [0, 1] into equ15such that equ16; if t=0, the system coincides with the CP. The authors study limiting behavior of the trajectory as equ17, and give some sufficient conditions for the trajectory to lead to a solution of the CP. This approach is an extension of the one used in the polynomially bounded algorithm recently given by Kojima, Mizuno and Yoshise for solving positive semidefinite linear complementarity problems.

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