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math.NA2023
A block Lanczos method for large-scale quadratic minimization problems with orthogonality constraints
Bo Feng, Gang Wu
Quadratic minimization problems with orthogonality constraints (QMPO) play an important role in many applications of science and engineering. However, some existing methods may suf…
math.NA2022
First-order perturbation theory of trust-region subproblems
Bo Feng, Gang Wu
Trust-region subproblem (TRS) is an important problem arising in many applications such as numerical optimization, Tikhonov regularization of ill-posed problems, and constrained ei…
math.NA2022★ 1 cited
On convergence of the generalized Lanczos trust-region method for trust-region subproblems
Bo Feng, Gang Wu
The generalized Lanczos trust-region (GLTR) method is one of the most popular approaches for solving large-scale trust-region subproblem (TRS). Recently, Jia and Wang [Z. Jia and F…