A nonsmooth version of Newton's method
Mathematical Programming: Series A and B
Convergence analysis of some algorithms for solving nonsmooth equations
Mathematics of Operations Research
A Trust Region Method for Solving Generalized Complementarity Problems
SIAM Journal on Optimization
Jacobian Smoothing Methods for Nonlinear Complementarity Problems
SIAM Journal on Optimization
A Smoothing Newton Method for Semi-Infinite Programming
Journal of Global Optimization
Smoothing SQP algorithm for semismooth equations with box constraints
Computational Optimization and Applications
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In this paper, we combine trust region technique with line search technique to develop an iterative method for solving semismooth equations. At each iteration, a trust region subproblem is solved. The solution of the trust region subproblem provides a descent direction for the norm of a smoothing function. By using a backtracking line search, a steplength is determined. The proposed method shares advantages of trust region methods and line search methods. Under appropriate conditions, the proposed method is proved to be globally and superlinearly convergent. In particular, we show that after finitely many iterations, the unit step is always accepted and the method reduces to a smoothing Newton method.