Tue.4 16:30–17:45

16:30
16:55
17:20
H 0105 | C Reflections on the Life and Work of Andrew R. Conn
A special session in honor of Andrew R. Conn, who passed away on March 14, 2019
H 1028 | APP Applications in Energy (4/4)
Julien Vaes
Harald Held
Orcun Karaca
16:30 Julien Vaes

Optimal Execution Strategy Under Price and Volume Uncertainty

16:55 Harald Held

MINLP to Support Plant Operators in Energy Flexibilization

17:20 Orcun Karaca

Core-Selecting Stochastic Auctions

H 2013 | BIG Recent Advancements in Optimization Methods for Machine Learning (2/4)
Sebastian U. Stich
Martin Takáč
Nicolas Loizou
16:30 Sebastian U. Stich

Communication Efficient Variants of SGD for Distributed Training

16:55 Martin Takáč

Quasi-Newton Methods for Deep Learning: Forget the Past, Just Sample

17:20 Nicolas Loizou

Stochastic Gradient Push for Distributed Deep Learning

H 3004 | BIG Recent Advances in Algorithms for Large-Scale Structured Nonsmooth Optimization (2/2)
Ling Liang
Meixia Lin
Krishna Pillutla
16:30 Ling Liang

A New Homotopy Proximal Variable-Metric Framework for Composite Convex Minimization

16:55 Meixia Lin

On the Closed-form Proximal Mapping and Efficient Algorithms for Exclusive Lasso Models

17:20 Krishna Pillutla

Large-scale optimization of structured prediction models by inf-convolution smoothing of max-margin inference

H 0110 | VIS Semismoothness for Set-Valued Mappings and Newton Method (1/2)
Ebrahim Sarabi
Jiri Outrata
Helmut Gfrerer
16:30 Ebrahim Sarabi

A Semismooth Inverse Mapping Theorem via Tilt Stability and Its Applications in the Newton Method

16:55 Jiri Outrata

On semismooth sets and mappings

17:20 Helmut Gfrerer

On a semismooth Newton method for generalized equations

H 2032 | CON Advances in Polynomial Optimization
Olga Kuryatnikova
Benjamin Peters
Timo de Wolff
16:30 Olga Kuryatnikova

New SDP upper bounds for the maximum k-colorable subgraph problem

16:55 Benjamin Peters

Convexification by means of monomial patterns

17:20 Timo de Wolff

New Dependencies of Hierarchies in Polynomial Optimization

H 3006 | CON Geometry and Algorithms for Conic Optimization
Levent Tuncel
Leonid Faybusovich
Fatma Kilinc-Karzan
16:30 Levent Tuncel

Recent progress in primal-dual algorithms for convex optimization

16:55 Leonid Faybusovich

Self-concordance and matrix monotonicity with applications to quantum entanglement problem

17:20 Fatma Kilinc-Karzan

On Sufficient and Necessary Conditions for Rank-1 Generatedness Property of Cones

H 1029 | CNV Quasi-Newton-Type Methods for Large-Scale Nonsmooth Optimization
Ewout van den Berg
Minghan Yang
Florian Mannel
16:30 Ewout van den Berg

Speeding up basis-pursuit denoise: hybrid quasi-Newton and beyond

16:55 Minghan Yang

A stochastic quasi-Newton extragradient method for nonsmooth nonconvex optimization

17:20 Florian Mannel

A hybrid semismooth quasi-Newton method for large-scale structured nonsmooth optimization

H 3002 | CNV Performance Estimation of First-Order Methods
Yoel Drori
Donghwan Kim
François Glineur
16:30 Yoel Drori

Performance estimation of stochastic first-order methods

16:55 Donghwan Kim

Accelerated Proximal Point Method for Maximally Monotone Operators

17:20 François Glineur

On the Worst-Case of the Fixed-Step Gradient Method for Arbitrary Stepsizes

H 2038 | DER Challenging Applications in Derivative-Free Optimization (2/2)
Mark Abramson
Miguel Munoz Zuniga
Phillipe Rodrigues Sampaio
16:30 Mark Abramson

Direct search applied to computation of penetration depth between two polytopes arising from discretized geometry models

16:55 Miguel Munoz Zuniga

Kriging based optimization of a complex simulator with mixed variables: A randomized exploration of the categorical variables in the Expected Improvement sub-optimization

17:20 Phillipe Rodrigues Sampaio

Optimization of district heating networks using a grey-box MINLP approach

H 1012 | GLO Techniques in Global Optimization
Daphne Skipper
Claudia D'Ambrosio
Leo Liberti
16:30 Daphne Skipper

Gaining and losing perspective

16:55 Claudia D'Ambrosio

Handling separable non-convexities with disjunctive cuts

17:20 Leo Liberti

Random projections for quadratic optimization

H 3013 | MUL Recent Developments in Set Optimization (4/4)
Radu Strugariu
Teodor Chelmus
Diana Maxim
16:30 Radu Strugariu

Stability of the directional regularity

16:55 Teodor Chelmus

Directional Pareto efficiency

17:20 Diana Maxim

Directional minimality concepts in vector optimization

H 0111 | IMP Computational Optimization
Steven Diamond
Spyridon Pougkakiotis
Harun Aydilek
16:30 Steven Diamond

A Rewriting System for Convex Optimization Problems

16:55 Spyridon Pougkakiotis

Exploiting Circulant Properties of Matrices in Structured Optimization Problems

17:20 Harun Aydilek

[moved] Minimizing Total Tardiness in a No-Wait Flowshop Scheduling Problem with Separate Setup Times with bounded Makespan

H 0106 | PDE Computational Design Optimization (4/4)
Martin Berggren
Martin Siebenborn
Christian Vollmann
16:30 Martin Berggren

3D acoustic shape optimization including visco-thermal boundary-layer losses

16:55 Martin Siebenborn

A shape optimization algorithm for cellular composites

17:20 Christian Vollmann

Shape optimization for interface identification in nonlocal models

H 0107 | PDE Optimal Control and Dynamical Systems (4/7)
Maria Soledad Aronna
Jorge Becerril
Michele Palladino
16:30 Maria Soledad Aronna

A higher-order maximum principle for impulsive optimal control problem

16:55 Jorge Becerril

On optimal control problems with irregular mixed constraints

17:20 Michele Palladino

Handling Uncertainty in Optimal Control

H 0112 | PDE Fractional/Nonlocal PDEs: Applications, Control, and Beyond (1/2)
Ekkehard Sachs
Mahamadii Warma
Carlos Rautenberg
16:30 Ekkehard Sachs

Economic Models with Nonlocal Operators

16:55 Mahamadii Warma

Controllability of fractional heat equations under positivity constraints

17:20 Carlos Rautenberg

A nonlocal variational model in image processing associated to the spatially variable fractional Laplacian

H 1058 | ROB Recent Advances in Distributionally Robust Optimization
Jose Blanchet
John Duchi
Peyman Mohajerin Esfahani
16:30 Jose Blanchet

Distributionally Robust Performance Analysis with Martingale Constraints

16:55 John Duchi

Distributional Robustness, Uniform Predictions, and applications in Machine Learning

17:20 Peyman Mohajerin Esfahani

Wasserstein Distributionally Robust Optimization: Theory and Applications in Machine Learning

H 2053 | ROB Robust Optimization: Theory and Applications
Chaithanya Bandi
Daniel Zhuoyu Long
Vineet Goyal
16:30 Chaithanya Bandi

Using RO for Simulation Optimization using the Method of Types

16:55 Daniel Zhuoyu Long

The Supermodularity in Two-Stage Distributionally Robust Optimization

17:20 Vineet Goyal

Beyond Worst Case: A Probabilistic Analysis of Affine Policies in Dynamic Optimization

H 3012 | ROB Embracing Extra Information in Distributionally Robust Models
Zhenzhen Yan
Mathias Pohl
Zhiping Chen
16:30 Zhenzhen Yan

Distributionally Robust Linear and Discrete Optimization with Marginals

16:55 Mathias Pohl

Robust risk aggregation with neural networks

17:20 Zhiping Chen

Stability analysis of optimization problems with distributionally robust dominance constraints induced by full random recourse

H 2033 | SPA Sparse Optimization and Information Processing – Contributed Session 1/3
Nikolaos Ploskas
Jordan Ninin
Montaz Ali
16:30 Nikolaos Ploskas

An advanced initialization procedure for the simplex algorithm

16:55 Jordan Ninin

Global Optimization for Sparse Solution of Least Squares Problems

17:20 Montaz Ali

Call Center's Optimization Problem

H 3007 | SPA Nonlinear Optimization Algorithms and Applications in Data Analysis (3/3)
Geovani Grapiglia
Yadan Chen
16:30 Geovani Grapiglia

Regularized Tensor Methods for Minimizing Functions with Hölder Continuous Higher-Order Derivatives

16:55 Yadan Chen

Alternating Direction Method of Multipliers to Solve Two Continuous Models for Graph-based Clustering

17:20