Merit functions for semi-definite complementarity problems
Mathematical Programming: Series A and B
Trust-region methods
Semidefinite Programs: New Search Directions, Smoothing-Type Methods, and Numerical Results
SIAM Journal on Optimization
SIAM Journal on Optimization
Solving Some Large Scale Semidefinite Programs via the Conjugate Residual Method
SIAM Journal on Optimization
Primal--Dual Path-Following Algorithms for Semidefinite Programming
SIAM Journal on Optimization
Semismooth Matrix-Valued Functions
Mathematics of Operations Research
Semismooth homeomorphisms and strong stability of semidefinite and Lorentz complementarity problems
Mathematics of Operations Research
Iterative Methods for Sparse Linear Systems
Iterative Methods for Sparse Linear Systems
Solving Large Scale Semidefinite Programs via an Iterative Solver on the Augmented Systems
SIAM Journal on Optimization
On the solution of large-scale SDP problems by the modified barrier method using iterative solvers
Mathematical Programming: Series A and B
An Augmented Primal-Dual Method for Linear Conic Programs
SIAM Journal on Optimization
Regularization Methods for Semidefinite Programming
SIAM Journal on Optimization
A Newton-CG Augmented Lagrangian Method for Semidefinite Programming
SIAM Journal on Optimization
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When using interior point methods for solving semidefinite programs (SDP), one needs to solve a system of linear equations at each iteration. For problems of large size, solving the system of linear equations can be very expensive. In this paper, we propose a trust region algorithm for solving SDP problems. At each iteration we perform a number of conjugate gradient iterations, but do not need to solve a system of linear equations. Under mild assumptions, the convergence of this algorithm is established. Numerical examples are given to illustrate the convergence results obtained.