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math.OC2026
Convergence of Consensus-Based Particle Methods for Nonconvex Bi-Level Optimization
Yutong Chao, Xudong Sun, Konstantin Riedl +2
In this paper, we study a consensus-based optimization method for nonconvex bi-level optimization, where the objective is to minimize an upper-level function over the set of global…
math.OC2026
Last-iterate Convergence of ADMM on Multi-affine Quadratic Equality Constrained Problem
Yutong Chao, Michal Ciebielski, Jalal Etesami +1
In this paper, we study a class of non-convex optimization problems known as multi-affine quadratic equality constrained problems, which appear in various applications--from genera…