Wed.2 14:15–15:30

14:15
14:40
15:05
H 3004 | APP Structural Design Optimization (2/2)
Michael Stingl
Alemseged Gebrehiwot Weldeyesus
Jonas Holley
14:15 Michael Stingl

A new stochastic descent method for the efficient solution of structural optimization problems with infinitely many load cases

14:40 Alemseged Gebrehiwot Weldeyesus

Re-optimization and warm-starting in semidefinite programming

15:05 Jonas Holley

Topological Derivatives for the Optimization of an Electrical Machine

H 3025 | APP Mathematical Optimization in Signal Processing (2/2)
Zhi-Quan Luo
Ya-Feng Liu
14:15 Zhi-Quan Luo

A Decomposition Method for Optimal Capacity Reservation in Stochastic Networks

14:40 Ya-Feng Liu

Semidefinite Relaxations for MIMO Detection: Tightness, Tighterness, and Beyond

15:05

H 0104 | BIG Recent Advancements in Optimization Methods for Machine Learning (3/4)
Peter Richtárik
Aaron Defazio [cancelled]
Aurelien Lucchi
14:15 Peter Richtárik

SEGA: Variance Reduction via Gradient Sketching

14:40 Aaron Defazio [cancelled]

Optimization, Initialization and Preconditioning of Modern ReLU Networks

15:05 Aurelien Lucchi

Continuous-time Models for Accelerated Stochastic Optimization Algorithms

H 0110 | BIG Recent Advances in Convex and Non-Convex Optimization and Their Applications in Machine Learning (1/2)
Yiming Ying
Niao He
Javier Pena
14:15 Yiming Ying

Stochastic Optimization for AUC Maximization in Machine Learning

14:40 Niao He

Sample Complexity of Conditional Stochastic Optimization

15:05 Javier Pena

A unified framework for Bregman proximal methods

H 3013 | VIS Quasi-Variational Inequalities and Generalized Nash Equilibrium Problems (2/2)
Abhishek Singh
Jo Andrea Brüggemann
Ruchi Sandilya
14:15 Abhishek Singh

Generalized Nash Equilibrium problems with Inexact line search Newton method

14:40 Jo Andrea Brüggemann

Solution methods for a class of obstacle-type quasi variational inequalities with volume constraints

15:05 Ruchi Sandilya

Error bounds for discontinuous finite volume discretisations of Brinkman optimal control problems

H 0107 | CON Advances in Convex Optimization
Robert Freund
Michael Friedlander
Negar Soheili
14:15 Robert Freund

An oblivious ellipsoid algorithm for solving a system of (in)feasible linear inequalities

14:40 Michael Friedlander

Polar duality and atomic alignment

15:05 Negar Soheili

A Feasible Level Set Method for Stochastic Convex Optimization with Expectation Constraints

H 2032 | CON Polynomial Optimization (2/2)
Etienne de Klerk
Cordian Riener
Victor Magron
14:15 Etienne de Klerk

Convergence analysis of a Lasserre hierarchy of upper bounds for polynomial minimization on the sphere

14:40 Cordian Riener

Lower bounds for the covering problem of compact metric spaces

15:05 Victor Magron

Two-player games between polynomial optimizers, semidefinite solvers and certifiers

H 1028 | CNV New Frontiers in Splitting Algorithms for Optimization and Monotone Inclusions (2/3)
Calvin Wylie
Isao Yamada
Christian L. Müller
14:15 Calvin Wylie

Partial smoothness, partial information, and fast local algorithms

14:40 Isao Yamada

Global optimization of sum of convex and nonconvex functions with proximal splitting techniques

15:05 Christian L. Müller

Perspective maximum likelihood-type estimation via proximal decomposition

H 1058 | CNV Algorithms for Large-Scale Convex and Nonsmooth Optimization (1/2)
Guilherme Franca
Zhihui Zhu
Sergey Guminov
14:15 Guilherme Franca

Conformal Symplectic Optimization

14:40 Zhihui Zhu

A Linearly Convergent Method for Nonsmooth Nonconvex Optimization on the Sphere with Applications to Robust PCA and Orthogonal Dictionary Learning

15:05 Sergey Guminov

Accelerated Alternating Minimization

H 2033 | DER Model-Based Derivative-Free Optimization Methods
Raghu Pasupathy
Lindon Roberts
Liyuan Cao
14:15 Raghu Pasupathy

Stochastic Trust Region Methods ASTRO and ASTRO-DF: Convergence, Complexity, and Numerical Performance

14:40 Lindon Roberts

Improving the scalability of derivative-free optimization for nonlinear least-squares problems

15:05 Liyuan Cao

Derivative Approximation of some Model-based Derivative Free Methods

H 3008 | GLO Global Optimization – Contributed Session 1/2
Kuan Lu
Francesco Romito
Syuuji Yamada
14:15 Kuan Lu

Solving Optimization over the Efficient Set of a Multiobjective Linear Programming Problem as a Mixed Integer Problem

14:40 Francesco Romito

Exploiting recursive non-linear transformations of the variables space in global optimization problems

15:05 Syuuji Yamada

A global optimization algorithm by listing KKT points for a quadratic reverse convex programming problem

H 0105 | NON Geometry in Non-Convex Optimization (2/2)
Marco Sutti
Max Pfeffer
Yuqian Zhang
14:15 Marco Sutti

Multilevel optimization on low-rank manifolds for optimal control problems

14:40 Max Pfeffer

Optimization methods for computing low rank eigenspaces

15:05 Yuqian Zhang

Nonconvex geometry and algorithms for blind deconvolution

H 1012 | NON Developments in Structured Nonconvex Optimization (1/2)
Jun-ya Gotoh
Shummin Nakayama
Takayuki Okuno
14:15 Jun-ya Gotoh

Sparse recovery with continuous exact \ensuremath{k}-sparse penalties

14:40 Shummin Nakayama

Inexact proximal memoryless quasi-Newton methods based on Broyden family for minimizing composite functions

15:05 Takayuki Okuno

Hyperparameter optimization for lq regularizer via bilevel optimization

H 1029 | NON Advances in Nonlinear Optimization Algorithms (1/2)
Johannes Brust
Hardik Tankaria
Mehiddin Al-Baali
14:15 Johannes Brust

Large-Scale Quasi-Newton Trust-Region Methods with Low-Dimensional Equality Constraints

14:40 Hardik Tankaria

Non-monotone regularized limited memory BFGS method with line search for unconstrained optimization

15:05 Mehiddin Al-Baali

Conjugate Gradient Methods with Quasi-Newton Features for Unconstrained Optimization

H 2013 | NON New Trends in Optimization Methods and Machine Learning (2/3)
Aritra Dutta
Michel Barlaud
Jakub Mareček
14:15 Aritra Dutta

On a Weighted Singular Value Thresholding Algorithm

14:40 Michel Barlaud

Robust supervised classification and feature selectionusing a primal-dual method

15:05 Jakub Mareček

Time-varying Non-convex Optimisation: Three Case Studies

H 2053 | NON Recent Trends in Large Scale Nonlinear Optimization (1/2)
Derek Driggs
Zhen Shao
Panos Parpas
14:15 Derek Driggs

Stochastic Optimisation for Medical Imaging

14:40 Zhen Shao

Sketching for sparse linear least squares

15:05 Panos Parpas

Distributed optimization with probabilistically consistent models

H 0106 | PDE Optimal Control of Nonsmooth Systems (2/3)
Dorothee Knees
Vu Huu Nhu
Livia Betz
14:15 Dorothee Knees

Optimal control of rate-independent systems

14:40 Vu Huu Nhu

Optimal control of a non-smooth quasilinear elliptic equation

15:05 Livia Betz

Strong stationarity for the optimal control of non-smooth coupled systems

H 0111 | PDE Optimal Control and Dynamical Systems (6/7)
Paloma Schäfer Aguilar
Laurent Pfeiffer
Caroline Löbhard
14:15 Paloma Schäfer Aguilar

Numerical approximation of optimal control problems for conservation laws

14:40 Laurent Pfeiffer

Analysis of the Receding Horizon Control method for stabilization problems

15:05 Caroline Löbhard

Space-time discretization for parabolic optimal control problems with state constraints

H 0112 | PDE Decomposition-Based Methods for Optimization of Time-Dependent Problems (1/2)
Sebastian Götschel
Stefan Ulbrich
Denis Ridzal
14:15 Sebastian Götschel

Towards adaptive parallel-in-time optimization of parabolic PDEs

14:40 Stefan Ulbrich

Time-domain decomposition for PDE-constrained optimization

15:05 Denis Ridzal

A multigrid-in-time augmented-Lagrangian method for constrained dynamic optimization

H 3006 | ROB Recent Advances in Theories of Distributionally Robust Optimization (DRO)
Karthyek Murthy
Jingui Xie
Grani A. Hanasusanto
14:15 Karthyek Murthy

Exploiting Partial Correlations in Distributionally Robust Optimization

14:40 Jingui Xie

Joint Estimation and Robustness Optimization

15:05 Grani A. Hanasusanto

Improved Decision Rule Approximations for Multi-Stage Robust Optimization via Copositive Programming

H 3007 | ROB Decision-Dependent Uncertainty and Bi-Level Optimization
Anirudh Subramanyam
Mathieu Besançon
Omid Nohadani
14:15 Anirudh Subramanyam

A Generalized Cutting Plane Algorithm for Robust Optimization with Decision-dependent Uncertainty Sets

14:40 Mathieu Besançon

Near-optimal robust bilevel optimization

15:05 Omid Nohadani

Optimization Under Decision-dependent Uncertainty

H 2038 | SPA Primal-Dual Methods for Structured Optimization
Robert Ernö Csetnek
Darina Dvinskikh
Kimon Antonakopoulos
14:15 Robert Ernö Csetnek

The proximal alternating minimization algorithm for two-block separable convex optimization problems with linear constraints

14:40 Darina Dvinskikh

Complexity rates for accelerated primal-dual gradient method for stochastic optimisation problem

15:05 Kimon Antonakopoulos

Primal-dual methods for Stochastic Variational Inequalities with Unbounded Operators

H 3012 | STO Stochastic Optimization and Its Applications (2/3)
Sunho Jang
Jussi Lindgren
Luis Espath
14:15 Sunho Jang

Stochastic Subgradient Methods for Dynamic Programming in Continuous State and Action Spaces

14:40 Jussi Lindgren

Stochastic optimization, Quantum Dynamics and Information Theory

15:05 Luis Espath

Nesterov-aided Stochastic Gradient Methods using Laplace Approximation for Bayesian Design Optimization