6 papers
Differentiable Partitioning With Dual-Max 3D Wirelength Model and Hybrid Bonding Terminal Awareness for Optimized 3D Placement
Liwen Jiang, Xu Shi, Rufeng Xiao +4
Research on 3D integrated circuits (3D-ICs) physical design has expanded rapidly in recent years, driven by the increasing adoption of hybrid bonding and the demand for higher inte…
Adaptive Algorithms for Nonconvex Bilevel Optimization under PŁ Conditions
Xu Shi, Yinglin Du, Rufeng Xiao +1
Existing methods for nonconvex bilevel optimization (NBO) require prior knowledge of first- and second-order problem-specific parameters (e.g., Lipschitz constants and the Polyak-Ł…
An Adaptive Algorithm for Bilevel Optimization on Riemannian Manifolds
Xu Shi, Rufeng Xiao, Rujun Jiang
Existing methods for solving Riemannian bilevel optimization (RBO) problems require prior knowledge of the problem's first- and second-order information and curvature parameter of…
Value-Function Root-Finding Algorithms for Composite Convex Simple Bilevel Optimization
Rujun Jiang, Xu Shi, Weizheng Song +1
This paper considers composite convex simple bilevel optimization (SBO), which minimizes a composite convex function over the solution set of another composite convex minimization…
Near-Optimal Convex Simple Bilevel Optimization with a Bisection Method
Jiulin Wang, Xu Shi, Rujun Jiang
This paper studies a class of simple bilevel optimization problems where we minimize a composite convex function at the upper-level subject to a composite convex lower-level proble…
Penalty-based Methods for Simple Bilevel Optimization under Hölderian Error Bounds
Pengyu Chen, Xu Shi, Rujun Jiang +1
This paper investigates simple bilevel optimization problems where we minimize an upper-level objective over the optimal solution set of a convex lower-level objective. Existing me…