2 papers
math.OC2026
A generalized canonical metric for optimization on the indefinite Stiefel manifold
Dinh Van Tiep, Duong Thi Viet An, Nguyen Thi Ngoc Oanh +1
Various tasks in scientific computing can be modeled as an optimization problem on the indefinite Stiefel manifold. We address this using the Riemannian approach, which basically c…
math.OC2024
Symplectic Stiefel manifold: tractable metrics, second-order geometry and Newton's methods
Bin Gao, Nguyen Thanh Son, Tatjana Stykel
Optimization under the symplecticity constraint is an approach for solving various problems in quantum physics and scientific computing. Building on the results that this optimizat…