Program for stream Bilevel and multilevel optimization

MB-07: Hyperparameter Optimization for Classification
Stream: Bilevel and multilevel optimization
Room: B100/5015
Chair(s): Yaru Qian

• Bilevel hyperparameter optimization for RBF Kernel support vector machines
  Qingna Li
• A highly efficient single-loop smoothing damped Newton method for large-scale bilevel hyperparameter optimization of SVC
  Yixin Wang
• On Constraint Qualifications for MPECs with Applications to Bilevel Hyperparameter Optimization for Machine Learning
  Jiani Li
• Bilevel hyperpaGlobal relaxation-based LP-Newton method for multiple hyperparameter selection in support vector classification
  Yaru Qian

MC-07: Bilevel Optimization in Data Science
Stream: Bilevel and multilevel optimization
Room: B100/5015
Chair(s): Samuel Ward

• Bi-level optimization in machine learning: instances, acceleration and implicit bias
  Zhanxing Zhu
• Adversarial training under restricted data manipulation using pessimistic bilevel optimisation
  David Benfield
• An Exploratory Study on Clustering Models under Perturbations Based on a Bilevel Optimization Framework
  Yutong Zheng
• Mathematical programs with complementarity constraints and application to hyperparameter tuning for nonlinear support vector machines
  Samuel Ward

MD-07: Methods for simple and nonsmooth bilevel optimization
Stream: Bilevel and multilevel optimization
Room: B100/5015
Chair(s): Sebastian Lämmel

• A Simple Algorithm for Simple Bilevel Programming
  Joydeep Dutta
• Approximation and exact penalization in simple bilevel variational problems
  Riccardo Tomassini, Giancarlo Bigi
• Anomalies of the Scholtes regularization for mathematical programs with complementarity constraint
  Sebastian Lämmel, Vladimir Shikhman

TB-07: Nonsmooth Bilevel Optimization
Stream: Bilevel and multilevel optimization
Room: B100/5015
Chair(s): Shangzhi Zeng

• A new problem qualification for Lipschitzian optimization problems
  Andreas Fischer, Isabella Käming, Alain Zemkoho
• Solving Bilevel Optimization Problems using Finite Elements and Reduced Order Methods
  Floriane Mefo Kue
• Nonsmooth Implicit Differentiation: Deterministic and Stochastic Convergence Rates
  Saverio Salzo
• Alternating Gradient-Type Algorithm for Bilevel Optimization with Inexact Lower-Level Solutions via Moreau Envelope-based Reformulation
  Shangzhi Zeng

TC-07: Mixed-Integer Bilevel Optimization
Stream: Bilevel and multilevel optimization
Room: B100/5015
Chair(s): Abdellah Bulaich Mehamdi

• A Bilevel Critical Node Detection Problem
  Ashwin Arulselvan
• On a class of interdiction problems with partition matroids: complexity and polynomial-time algorithms
  Sergei Ketkov
• Bi-Level Optimization for Electricity Pricing: Links with the Rochet-Choné Model
  Abdellah Bulaich Mehamdi, Wim van Ackooij, Luce Brotcorne, Stephane Gaubert, Quentin Jacquet

WB-07: Theory and methods for bilevel optimization
Stream: Bilevel and multilevel optimization
Room: B100/5015
Chair(s): Kuang Bai

• Stability analysis for two-level value functions and application to numerically solve a pessimistic bilevel program
  Alain Zemkoho
• Bilevel programming via set-valued optimization
  Kuntal Som
• Lifting and Penalisation approach for Mathematical Program with Vanishing Constraints
  Anand Kumar, K. S. Mallikarjuna Rao
• Directional combined approach for bilevel programs
  Kuang Bai