Program

WA-01: Opening session including plenary talk of GOR scientific award winner
Stream: PC Stream
Room: Bundeshaus
Chair(s): Norbert Trautmann, Peter Letmathe, Alf Kimms

WB-04: Robust Discrete Optimization
Stream: Discrete and Combinatorial Optimization, sponsored by FICO
Room: Eiger
Chair(s): Marc Goerigk

• Data-Driven Robust Optimization using Unsupervised Deep Learning
  Jannis Kurtz, Marc Goerigk
• Benchmarking for Robust Discrete Optimization
  Mohammad Khosravi, Marc Goerigk
• Robust Combinatorial Optimization with Locally Budgeted Uncertainty
  Stefan Lendl, Marc Goerigk
• Gamma-Uncertainties for Robust Nonlinear Combinatorial Optimization
  Dennis Adelhütte, Frauke Liers

WB-05: Software for OR - Solvers I
Stream: Discrete and Combinatorial Optimization, sponsored by FICO
Room: Mönch
Chair(s): Timo Berthold, Michael Bussieck

• Recent developments in the FICO Xpress-Optimizer
  Timo Berthold
• SAS Optimization: Recent Advances and Use Cases
  Philipp Christophel, Imre Polik
• Introduction to the Cardinal Optimizer
  Gerald Gamrath
• ODH|CPLEX – An Optimizer For Hard MIPs
  Robert Ashford, Alkis Vazacopoulos

WB-06: Applications and Computational MIP
Stream: Discrete and Combinatorial Optimization, sponsored by FICO
Room: Jungfrau
Chair(s): Erik Mühmer

• The student-project allocation problem as part of the timetabling in project-oriented schools
  Michael Hölscher
• Optimal location and configuration of tower cranes on construction sites
  Thomas I. Maindl, Jannik Vogel
• A Heuristic-Based Reduction for the Temporal Bin Packing Problem with Fire-Ups
  John Martinovic, Nico Strasdat
• Exact Approaches for the Multi-Stop Station Location Problem
  Erik Mühmer, Miriam Ganz, Marco Lübbecke, Felix J. L. Willamowski

WB-07: Planning in Supply Chain and Production Management I
Stream: Supply Chain and Production Management
Room: Niesen
Chair(s): Gerhard-Wilhelm Weber

• Tactical planning of sugarcane harvesting and transport operations
  Teresa Melo, Angelo Aliano Filho, Margarida Pato
• Using K-means Algorithm in Sales Territory Design
  Alper Döyen, Mehmet Kulu
• Data-Driven Decision Making for Strategic Production Planning in a Brewing Company
  Markus Mickein, Matthes Koch, Knut Haase
• Sustainable Aggregate Production Planning with Overtime, Outsourcing and Human Factors under Uncertain Seasonal Demand
  Gerhard-Wilhelm Weber, Selma Gütmen, Erfan Babaee Tirkolaee, Alireza Goli

WB-08: Optimal planning and operation of low-carbon distributed energy systems
Stream: Energy and Environment
Room: Stockhorn
Chair(s): Giovanni Sansavini

• A novel temporal approach for efficient and accurate MILP models of energy systems
  Matteo Gazzani, Lukas Weimann
• Uncertainty analysis for optimal design and assessment of active electricity distribution networks
  Annalisa Guidolin, Raphael Wu, Paolo Gabrielli, Giovanni Sansavini
• Optimal trading of flexible power consumption on the day-ahead market
  Neele Leithäuser, Till Heller, Elisabeth Finhold

WB-09: Drone and Robot Delivery
Stream: Logistics and Freight Transportation
Room: Gantrisch
Chair(s): Alexander Rave

• A Branch-and-Price Algorithm for a Delivery Network with Parcel Robots
  Nicklas Klein, Stefan Schaudt, Uwe Clausen
• Sequence and Speed Optimization for Delivery Robots
  Stefan Schaudt, Tolga Bektas
• Drones for Relief Logistics under Demand Uncertainty
  Okan Dukkanci, Achim Koberstein, Bahar Yetis Kara
• Vehicle Fleet Planning for Parcel Delivery with Trucks and Aerial Drones
  Alexander Rave, Pirmin Fontaine, Heinrich Kuhn

WB-10: Transportation and mobility planning
Stream: Logistics and Freight Transportation
Room: Schreckhorn
Chair(s): Lorena Reyes-Rubiano

• Measuring the effects of disruptions in city logistics: Managerial insights from a large city perspective
  Lorena Reyes-Rubiano, Elyn Solano, Andrés Munoz-Villamizar
• Revenue Maximizing Tariff Zone Planning for Public Transport Service Providers
  Lorena Reyes-Rubiano, Sven Müller, Knut Haase
• A data-driven response to dynamic spatio-temporal transportation requests
  Sacha Varone, Anthony Tomat
• Monte Carlo Simulation for Route Planning under Uncertainty: Case Study and Proof of Concept
  Jan Gertheiss, Florian Jaehn

WB-11: Financial Modelling I
Stream: Finance
Room: Wildstrubel
Chair(s): Volker Seiler

• Mini flash crashes in Austria: An empirical study
  Viktoria Steffen
• China-to-FOB Price Transmission in the Rare Earth Elements Market and the End of Chinese Export Restrictions
  Volker Seiler
• Social Trading: Do Signal Providers Trigger Gambling?
  Andreas Oehler, Julian Schneider

WB-12: Line Planning and Vehicle Scheduling in Public Transport
Stream: Mobility and Traffic
Room: Faulhorn
Chair(s): Stefan Frank

• Optimal Line Plans in the Parametric City and the Impact of In-Motion Costs
  Berenike Masing, Niels Lindner, Ralf Borndörfer
• Benders Decomposition for the Periodic Event Scheduling Problem
  Niels Lindner, Rolf Van Lieshout
• Delay Management with Integrated Vehicle Scheduling
  Vera Grafe, Alexander Schiewe, Anita Schöbel
• A genetic algorithm solving the integrated timetabling and vehicle scheduling problem
  Lucas Mertens, Bastian Amberg, Natalia Kliewer

WB-13: Revenue Management for Logistics and Mobility
Stream: Revenue Management
Room: Blüemlisalp
Chair(s): Robert Klein, Claudius Steinhardt

• Feeding the Nation – E-Groceries in Times of Crisis
  Jonas Schwamberger, Moritz Fleischmann, Arne Karsten Strauss
• On the properties of opportunity cost in dynamic demand management and vehicle routing problems
  Vienna Klein, David Fleckenstein, Claudius Steinhardt, Robert Klein
• Policy-Based Dynamic Pricing in Shared Mobility Systems
  Matthias Soppert, Tobias Eilken, Claudius Steinhardt
• Customer-centric Dynamic Pricing in Shared Mobility Systems
  Christian Müller, Jochen Gönsch, Matthias Soppert, Claudius Steinhardt

WB-14: Forecasting
Stream: Analytics
Room: Wetterhorn
Chair(s): Ralph Grothmann, Sven F. Crone

• Using neural networks to forecast parcel quantities in a distribution network
  Gabor Tamas, Elisabeth Zehendner, Christian Paier, Emel Arikan, Gerald Reiner
• Forecasting Customer Demand with Deep Neural Networks
  Ralph Grothmann, Ulrike Dowie
• Using Internet-of-Things Data at the Point-of-Consumption for Demand Forecasting and Inventory Management: The Case of Professional Coffee Machines
  Sandria Weisshuhn, Yale T. Herer, Kai Hoberg
• Dynamic data collection in production and logistics
  Benedikt Finnah, Jochen Gönsch, Alena Otto

WB-15: GOR PhD thesis awards 2021
Stream: PC Stream
Room: Silberhorn
Chair(s): Peter Letmathe

• Rebalancing in Shared Mobility Systems – Competition, Feature-Based Mode Selection and Technology Choice
  Layla Martin
• Scheduling and Packing Under Uncertainty
  Franziska Eberle
• Operations Management in the Sharing Economy
  Moritz Behrend
• Approximation Schemes for Machine Scheduling
  Marten Maack

WB-16: Health Care Systems/Pandemics
Stream: Health Care Management
Room: Schilthorn
Chair(s): Marion Rauner

• Resilience in Health Care Systems: Implications for Austria
  Marion Rauner, Doris Behrens, Margit Sommersguter-Reichmann, Bernhard Rupp, Bernhard Schwarz
• A Stochastic Optimisation Model to Support Cybersecurity within the UK National Health Service
  Emilia Grass, Christina Pagel, Sonya Crowe, Saira Ghafur
• Routing Solutions to help in Pandemic Outbreaks: A Case Study
  Helena Ramalhinho Lourenco, Pedro Martins, Antonio Trigo
• Covid-19 triage in the emergency department
  Christina Bartenschlager

WC-04: Robust Discrete Optimization
Stream: Discrete and Combinatorial Optimization, sponsored by FICO
Room: Eiger
Chair(s): Stefan Lendl

• Recoverable Robust Representatives Selection Problems with Discrete Budgeted Uncertainty
  Lasse Wulf, Marc Goerigk, Stefan Lendl
• Robust optimization with scenarios using belief functions
  Adam Kasperski, Romain guillaume, Pawel Zielinski
• Two-Stage Uncertainty for Two-Stage Robust Optimization Problems
  Marc Goerigk, Stefan Lendl, Lasse Wulf
• Robust Appointment Scheduling with Heterogeneous Costs
  Andreas S. Schulz, Rajan Udwani

WC-05: Software for OR - Solvers II
Stream: Discrete and Combinatorial Optimization, sponsored by FICO
Room: Mönch
Chair(s): Renke Kuhlmann, Michael Bussieck

• ENTMOOT: A Framework for Optimization over Ensemble Tree Models
  Alexander Thebelt, Jan Kronqvist, Miten Mistry, Robert M. Lee, Nathan Sudermann-Merx, David Walz, Ruth Misener
• Yasol – A General Solver for Multistage Robust Discrete Linear Optimization Problems
  Michael Hartisch, Ulf Lorenz
• Pushing computational boundaries: Solving integrated investment planning problems for large-scale energy systems with PIPS-IPM++
  Karl-Kiên Cao, Manuel Wetzel, Nils-Christian Kempke, Thorsten Koch
• GAMS Engine - A New System To Solve Models On Centralized Compute Resources
  Stefan Mann, Frederik Proske, Hamdi Burak Usul

WC-06: Software for OR - Parallel (MIN)LP
Stream: Discrete and Combinatorial Optimization, sponsored by FICO
Room: Jungfrau
Chair(s): Yuji Shinano

• The Generalized Ubiquity Generator (UG) Framework -- Towards UG version 1.0
  Yuji Shinano
• Solving Challenging Large Scale QAPs with DNN-based Branch-and-bound Method
  Koichi Fujii, Naoki Ito, Sunyoung Kim, Masakazu Kojima, Hans Mittelmann, Yuji Shinano, Kim-Chuan Toh
• Parallel solution of Steiner tree and related problems
  Daniel Rehfeldt, Thorsten Koch, Yuji Shinano
• PIPS-IPM++ - A Parallel Interior-Point Method for Solving Large-Scale Doubly Bordered Block Diagonal LPs
  Nils-Christian Kempke, Thorsten Koch, Charlie Vanaret, Karl-Kiên Cao, Manuel Wetzel

WC-07: Matheuristics and Scheduling
Stream: Heuristics, Metaheuristics and Matheuristics
Room: Niesen
Chair(s): Roberto Montemanni

• A MathHeuristic for a real-life Pallet Loading Problem
  Matteo Magnani, Mauro Dell'Amico, Luca Zanni
• Sequential testing in batches with resource constraints
  Fan Yang, Ben Hermans, Nicolas Zufferey, Roel Leus
• Efficient Omnichannel Food Supply Chains: Optimization Strategies for In-Store Order Picking
  Nicola Ognibene Pietri, Xiaochen Chou, Dominic Loske, Matthias Klumpp, Roberto Montemanni
• A Heuristic Approach for the Flying Sidekick Traveling Salesman Problem
  Roberto Montemanni, Mauro Dell'Amico, Stefano Novellani

WC-08: Energy and complementarity problems
Stream: Energy and Environment
Room: Stockhorn
Chair(s): Hannes Hobbie

• Prosumers with PV-Battery Systems in the electricity markets – a mixed complementarity approach
  Felix Meurer, Marco Sebastian Breder, Michael Bucksteeg, Christoph Weber
• Modeling solar prosumage: mixed complementarity problems vs. coupled linear programs
  Carlos Gaete, Wolf-Peter Schill
• Flexibility from prosumers for congestion management - A conceptual mixed complementarity programming approach
  Hannes Hobbie, Matthew Schmidt
• Sequential Investments in Hybrid PV-Wind Systems for Hydrogen Production: A Real Options Analysis for Germany and California
  Paul Fabianek, Reinhard Madlener

WC-09: Simulation-based Analysis
Stream: Systems Modeling and Simulation
Room: Gantrisch
Chair(s): Christian Stummer, Klaus Altendorfer

• How much can electric aircraft contribute to reaching Flightpath 2050 CO2 emissions goal? A system dynamics approach for European short haul flights
  Chetan Talwar, Imke Joormann
• Optimizing patient flow in a forensic clinic via discrete event simulation
  Samuel Kolb, Peter Wermuth, Harold Tiemessen, Jörg Forrer
• Modeling consumers’ heterogeneity and individuality can make a difference: Insights from a simulation experiment
  Markus Günther, Christian Stummer
• Combining Causal Loop Diagrams, Behavior-Over-Time Graphs, and Domain-Specific Languages to Structure and Explore Complex Decision-Making Situations
  Adrian Stämpfli

WC-10: Liner Shipping
Stream: Logistics and Freight Transportation
Room: Schreckhorn
Chair(s): Nicolas Rückert

• The Stochastic Liner Shipping Fleet Repositioning Problem with Uncertain Container Demands and Travel Times
  Jana Ksciuk, Stefan Kuhlemann, Kevin Tierney, Achim Koberstein
• Service independent liner shipping vessel routing
  Daniel Wetzel, Kevin Tierney
• Robust Multistage Yard Crane Scheduling in Container Terminals
  Tobias Marx, Michael Hartisch, Ulf Lorenz
• Optimization of container transportation in port hinterland with trucks - Approaches to cooperation
  Nicolas Rückert, Kathrin Fischer, Pauline Reinecke, Thomas Wrona

WC-11: Planning in Supply Chain and Production Management II
Stream: Supply Chain and Production Management
Room: Wildstrubel
Chair(s): Christina Liepold

• Parameterization of optimization-based order release in the context of engineer-to-order systems
  Jana Philips, Ralf Gössinger
• Integrated Production Lot Scheduling and Transportation Planning for Vendor-Managed Inventory in industrial b2b supply relationsships with customer-specific production
  Hartwig Baumgaertel, Daniel Bischof
• Reducing product complexity in life sciences: A conic-integer programing approach and heuristic solution techniques
  David Francas, Enrique Hortal Segura
• Production as a Service: On the Impact of Partial Production Capacity Sharing
  Christina Liepold, Okan Arslan, Gilbert Laporte, Maximilian Schiffer

WC-12: Crew Scheduling in Public Transport
Stream: Mobility and Traffic
Room: Faulhorn
Chair(s): Pia Ammann

• Integrated Resource Scheduling in Public Transport Planning Considering the Decision Levels Timetabling, Vehicle Scheduling, and Crew Scheduling
  Bastian Amberg, Boris Amberg
• Driver Routing and Scheduling in Long-Distance Bus Networks
  Pia Ammann, Rainer Kolisch, Maximilian Schiffer
• An Integrated Solution Approach for Crew Scheduling
  Stefan Frank, Ulrike John

WC-13: Games on Networks
Stream: Game Theory and Behavioral Management
Room: Blüemlisalp
Chair(s): Louise Molitor

• Two-Stage Facility Location Games with Strategic Clients and Facilities
  Simon Krogmann
• The Flip Schelling Process on Random Geometric and Erdös-Rényi Graphs
  Louise Molitor
• Efficiency and Stability in Euclidean Network Design
  Anna Melnichenko
• Approximate Parametric Computation of Minimum Cost Flows with Convex Cost
  Philipp Warode, Max Klimm

WC-14: Decision Support for Location and Routing Problems
Stream: Decision Analysis and Support
Room: Wetterhorn
Chair(s): Meritxell Pacheco Paneque

• A digital twin based decision support system for dynamic vehicle routing problems
  Ulrike Ritzinger, Hannes Koller, Jakob Puchinger
• Frontier-based facility location analysis: definition, formulation and application
  Mohsen Afsharian
• On the extension of a capacitated multi-vehicle covering tour problem to accommodate intermediate disposal facilities in the context of waste collection
  Vera Fischer, Meritxell Pacheco Paneque, Reinhard Bürgy
• A facility location problem for waste collection with minimum workload and penalties
  Meritxell Pacheco Paneque, Vera Fischer, Reinhard Bürgy

WC-15: GOR PhD thesis awards 2020
Stream: PC Stream
Room: Silberhorn
Chair(s): Peter Letmathe

• Matchings and Flows in Hypergraphs
  Isabel Beckenbach
• Optimization and Advanced Analytics to Increase Fairness and Employee Satisfaction
  Lena Wolbeck
• Order fulfillment in e-commerce warehousing: Challenges and solution approaches
  Felix Weidinger
• Optimal Procurement and Inventory Control in Volatile Commodity Markets – Advances in Stochastic and Data-Driven Optimization
  Christian Mandl

WC-16: Planning problems with uncertainties
Stream: OR in Engineering
Room: Schilthorn
Chair(s): Tim Müller

• Pooling of contracts for outsourcing problems with two-dimensional asymmetric information
  Alexander Herbst
• Resilient Network Planning: Static Resilience Optimization of Urban Water Distribution Systems for differing geometries
  Imke-Sophie Lorenz, Peter Pelz
• Tracing locally Pareto optimal points by numerical integration
  Onur Tanil Doganay, Matthias Bolten, Hanno Gottschalk, Kathrin Klamroth
• From Design to Operation: Mixed-Integer Model Predictive Control Applied to a Pumping System
  Tim Müller, Christoph Knoche, Peter Pelz

WD-01: SP GOR company award
Stream: PC Stream
Room: Bundeshaus
Chair(s): Jens Schulz, Alf Kimms

WD-02: SP talk Mansini
Stream: PC Stream
Room: Zytglogge
Chair(s): Marco Lübbecke

• Solving mixed integer linear programming problems by Kernel Search: issues, challenges and future directions
  Renata Mansini

WD-03: SP talk Uetz
Stream: PC Stream
Room: Münster
Chair(s): Erwin Pesch

• Network Routing and Beyond: Equilibria for Atomic Congestion Games
  Marc Uetz

WE-04: Scheduling and Network Flows
Stream: Discrete and Combinatorial Optimization, sponsored by FICO
Room: Eiger
Chair(s): Britta Peis

• Convergence of a Packet Routing Model to Flows Over Time
  Laura Vargas Koch, Leon Sering, Theresa Ziemke
• Complexity of Source-Sink Monotone 2-Parameter Min Cut
  S. Thomas McCormick
• Assigning and Scheduling Generalized Malleable Jobs
  Jannik Matuschke
• Airplane Refueling, Block-Stacking, and Robust Appointment Scheduling
  Simon Gmeiner, Andreas S. Schulz

WE-05: Software for OR - Modeling I
Stream: Discrete and Combinatorial Optimization, sponsored by FICO
Room: Mönch
Chair(s): linus schrage

• New Connections to the AMPL Modeling Language: Spreadsheets and Callbacks
  Robert Fourer
• New modelling and programming features in Xpress Mosel
  Susanne Heipcke, Yves Colombani
• Hardware Considerations for Optimization Software
  Ed Klotz, Richard Oberdieck, Kostja Siefen
• Challenges in Interfacing an Optimization Solver with User-Popular Interfaces
  linus schrage

WE-06: Software for OR - MINLP
Stream: Discrete and Combinatorial Optimization, sponsored by FICO
Room: Jungfrau
Chair(s): Renke Kuhlmann

• The SHOT solver and functionalities for solving convex MINLP problems
  Jan Kronqvist, Andreas Lundell
• Nonconvex MINLP with the SHOT solver
  Andreas Lundell, Jan Kronqvist
• Hyper-optimisation algorithms for MINLP problems
  Nikos Kazazakis
• Spectral relaxations for global optimization of mixed-integer quadratic programs
  Nikolaos Sahinidis, Carlos Jose Nohra Khouri, Arvind Raghunathan

WE-07: Applications in Traffic
Stream: Mobility and Traffic
Room: Niesen
Chair(s): Marcel Dumeier

• Signal Control as a Strategy for Optimizing Large Scale Evacuation – A Review
  John Micha Rüpke, Kathrin Fischer
• ChronoPath - A tool for railway infrastructure modelling and analysis
  Julian Reisch, Reyk Weiß, Peter Großmann
• Computation of Spatiotemporal Travel Times Using Floating Car Data
  Lukas Spengler, Marius Madsen, Marc Gennat
• A combined electric vehicle charging station location and charging model
  Marcel Dumeier, Jutta Geldermann

WE-08: Future energy systems - insights from model comparisons
Stream: Energy and Environment
Room: Stockhorn
Chair(s): Steffi Misconel

• Model experiments on development pathways for new electricity applications and their impacts on critical electricity supply situations
  Steffi Misconel, Dominik Möst
• Phasing out coal – An impact analysis comparing five large-scale electricity market models
  Arne Postges, Michael Bucksteeg, Oliver Ruhnau, Eglantine Künle
• The impact of carbon prices on power sector emissions: insights from a model-comparison experiment
  Oliver Ruhnau, Michael Bucksteeg, Arne Postges
• Possibilities to assess climate uncertainty in the planning of energy systems - a case study on hydro power in southwest Europe
  Leonie Sara Plaga, Valentin Bertsch

WE-09: Dynamic Decision Problems
Stream: Systems Modeling and Simulation
Room: Gantrisch
Chair(s): Maximilian Moll, Andrea Emilio Rizzoli

• On the Matthew effect in research careers
  Andrea Seidl, Gustav Feichtinger, Dieter Grass, Peter M. Kort
• Routing in Reinforcement Learning Markov Chains
  Maximilian Moll, Dominic Weller
• Resource Optimization in Mass Casualty Management: A Comparison of Methods
  Marian Sorin Nistor, Maximilian Moll, Truong Son Pham, Stefan Wolfgang Pickl, Dieter Budde
• Worker cross training impact on service level of an electronics manufacturer – simulation-based optimization for a real world case
  Andreas Schober, Victoria Lausberger, Klaus Altendorfer, Andreas Beham

WE-10: City Logistics
Stream: Logistics and Freight Transportation
Room: Schreckhorn
Chair(s): Christian Tilk

• Optimizing combined truck and cargo bike tours for last-mile deliveries
  Moritz Stinzendörfer, Philine Schiewe
• An optimization-based comparison of different distribution systems in City Logistics
  Barbara Himstedt, Frank Meisel
• Using public transport systems in last-mile deliveries
  Jeanette Schmidt, Christian Tilk, Stefan Irnich
• A matheuristic for a two-echelon vehicle routing problem with satellite capacities and reverse flows
  Christian Tilk, Dorian Dumez, Stefan Irnich, Fabien Lehuédé, Katharina Olkis, Olivier Péton

WE-11: Financial Modelling II
Stream: Finance
Room: Wildstrubel
Chair(s): Florian Pauer

• Barrier Option Pricing With Trading and Non-Trading Hours
  Philip Rosenthal, Rainer Baule, David Shkel
• Time-to-Build and Capacity Expansion
  Haejun Jeon
• Sell or Hold? On the Value of Non-Performing Loans and Mandatory Write-Off Rules
  Florian Pauer, Stefan Pichler

WE-12: Applications in Public Transport
Stream: Mobility and Traffic
Room: Faulhorn
Chair(s): Nicki Lena Kämpf

• Computation of Travel Purpose Distribution Using Open Data Sources
  Marc Gennat, Marius Madsen, Lukas Spengler
• Modeling and Optimizing Fare Systems
  Reena Urban, Anita Schöbel
• Bayesian Optimization for Neural Networks with Small Sample Size Data: A Combined Approach for Feature Selection and Hyperparameter Tuning
  Nicki Lena Kämpf, Sandra Spiegelberg, Jonas Krembsler, Nicola Winter, Thomas Winter, Robert Knappe

WE-13: Behavioral Operations and Risk
Stream: Game Theory and Behavioral Management
Room: Blüemlisalp
Chair(s): Stefan Haeussler

• Classification in the Wild: The Science and Art of Transparent Decision Making
  Konstantinos Katsikopoulos
• Consumer behavior towards different carbon footprint reductions
  Nils Roemer, Gilvan C. Souza, Christian Tröster, Guido Voigt
• Flow Allocation Games in Financial Networks
  Daniel Schmand, Nils Bertschinger, Martin Hoefer

WE-14: MCDA in Production and Energy Management
Stream: Decision Analysis and Support
Room: Wetterhorn
Chair(s): Fabian Leuthold

• Towards a complex investment evaluation framework for renewable energy systems: A 2-level heuristic approach
  David Olave-Rojas, Eduardo Álvarez-Miranda
• Supporting complex decision-making in multiple criteria-based projects with MCDA-MSS
  Marco Cinelli, Milosz Kadzinski, Peter Burgherr, Roman Slowinski
• A data-driven methodology for the automated configuration of online algorithms
  Fabian Dunke
• A Decision Support System to Optimize Production Quantities during Product Phase-Outs
  Fabian Leuthold, Katrin Hügel, Oliver Mörl, Harold Tiemessen

WE-15: Machine scheduling
Stream: Project Management and Scheduling
Room: Silberhorn
Chair(s): Julia Lange

• Scheduling a two stage proportionate flexible flow shop with dedicated machines and no buffers
  Christian Weiß, Lena Schwehm, Heiner Ackermann
• Interval scheduling with resource adjacency considerations
  Michael Dienstknecht, Dirk Briskorn
• Decomposition approach for integrated production and maintenance scheduling of parallel machines
  Sven Pries, Celso Gustavo Stall Sikora
• Scheduling heating tasks on parallel furnaces with setup times and conflicts
  Julia Lange, Philipp Fath, David Sayah

WE-16: Interactive Tutorial by Gurobi
Stream: PC Stream
Room: Morgenberghorn
Chair(s): Mario Gnägi, Nicklas Klein

• GUROBI OPTIMIZER FOR ACADEMICS: Providing Access to the World’s Fastest Solver and Supporting Mathematical Optimization Education
  Kostja Siefen, Lindsay Montanari

WF-01: Meet the Editors
Stream: PC Stream
Room: Bundeshaus
Chair(s): Norbert Trautmann

• Meet-the-Editors
  Ulrike Leopold-Wildburger, Oliver Stein, Guido Voigt

TA-04: Acyclic colorings of digraphs
Stream: Discrete and Combinatorial Optimization, sponsored by FICO
Room: Eiger
Chair(s): Winfried Hochstättler

• Counting acyclic colorings
  Johanna Wiehe, Winfried Hochstättler
• Directed Acyclic Graphs and Digraph Colorings
  Ararat Harutyunyan
• From Counting Matchings to Digraph Coloring
  Raphael Steiner
• Oriented vertex and arc coloring of edge series-parallel digraphs
  Marvin Lindemann, Frank Gurski, Dominique Komander

TA-05: Software for OR - Solvers III
Stream: Discrete and Combinatorial Optimization, sponsored by FICO
Room: Mönch
Chair(s): Michael Bussieck

• Black-box expressions in CP Optimizer
  Paul Shaw
• Distributed Solving of Mixed-Integer Programs with COIN-OR CBC and Thrift
  Jochen Rethmann, Jakob Görner, Ramon Janssen
• On affine conic and disjunctive constraints in the upcoming Mosek version 10
  Erling Andersen
• Global Nonlinear Pricing in the Simplex Method
  Biressaw Wolde, Torbjörn Larsson

TA-06: Stochastic Optimization
Stream: Discrete and Combinatorial Optimization, sponsored by FICO
Room: Jungfrau
Chair(s): Steffen Rebennack, Christian Füllner

• Discretization of Markov Processes for Stochastic-dynamic Optimization
  Nils Löhndorf
• Non-convex Benders decomposition
  Christian Füllner, Steffen Rebennack
• Robust optimization models for MRP – a comparison to stochastic programming approaches and a decomposition based solution method
  Manuel Schlenkrich, Sophie Parragh

TA-07: Learning-Augmented Algorithm Design
Stream: Discrete and Combinatorial Optimization, sponsored by FICO
Room: Niesen
Chair(s): Nicole Megow

• Learning-Augmented Algorithms
  Antonios Antoniadis
• Learning Augmented Energy Minimization via Speed Scaling
  Etienne Bamas
• Robustifying Untrusted Methods for Online Graph Exploration
  Jens Schlöter, Franziska Eberle, Alexander Lindermayr, Nicole Megow, Lukas Nölke
• The balanced maximally diverse grouping problem with attribute values and varying group sizes
  Arne Schulz

TA-08: Gas networks and markets
Stream: Energy and Environment
Room: Stockhorn
Chair(s): Dominik Möst

• Modeling and forecasting gas network flows with multivariate time series and mathematical programming approach
  Nazgul Zakiyeva, Milena Petkovic
• Blending hydrogen into natural gas - An assessment of the capacity of the German gas grid
  Jaap Pedersen, Kai Hoppmann-Baum, Janina Zittel, Thorsten Koch
• Statistical analysis and modeling for detecting regime changes in gas nomination time series
  Milena Petkovic, Nazgul Zakiyeva, Janina Zittel

TA-09: Data Analytics, Forecasting & Simulation
Stream: Systems Modeling and Simulation
Room: Gantrisch
Chair(s): Andrea Emilio Rizzoli, Maximilian Moll

• Study of degrading systems subject to stochastic arrival times
  Lucía Bautista Bárcena, Inmaculada Torres Castro
• The Issue of Multi-Tasking: Analyzing Difficulties in Predicting Multi-Issue Decision Outcomes
  Stefan Wolfgang Pickl, Jacob Ehrlich, Maximilian Moll, Leonhard Kunczik
• Simulation study to identify the influence of systematic and unsystematic forecast behavior on safety stock for an MRP system with rolling horizon forecast updates
  Wolfgang Seiringer, Klaus Altendorfer, Thomas Felberbauer, Fabian Brockmann
• What the heat is going on? Long-term forecast of heating demand in Munich with data analytics and simulation
  Maik Günther, Andreas Müller, Benedikt Baus

TA-10: Logistics in the pandemic crisis
Stream: Logistics and Freight Transportation
Room: Schreckhorn
Chair(s): Karl Doerner

• A Large Neighbourhood Search Metaheuristic for the Contagious Disease Testing Problem
  David Wolfinger, Margaretha Gansterer, Karl Doerner, Nikolas Popper
• The Contagious Disease Testing Problem – A scenario analysis
  Jana Lepping, David Wolfinger, Karl Doerner, Margaretha Gansterer, Martin Bicher, Nikolas Popper
• Vehicle routing for a population-wide COVID-19 testing program
  Emilio Jose Alarcon Ortega, Margaretha Gansterer, Karl Doerner
• Layout and location planning for automatic locker box systems under stochastic demand
  Michael Kahr, Karl Doerner, Margaretha Gansterer

TA-11: Financial Markets
Stream: Finance
Room: Wildstrubel
Chair(s): Julian Schneider

• Fraud Detection by using Isolation Forests
  Johannes Kriebel, Jörn Debener, Volker Heinke
• Does firm's silence drive media's attention away?
  Sasan Mansouri
• On the externalitites of tech firms
  Kai Rohde, Peter Grundke, Valeriya Dinger
• Competition for Visibility: When do (FX) Signal Providers employ Lotteries?
  Julian Schneider, Andreas Oehler

TA-12: Dial-a-Ride Problems I
Stream: Mobility and Traffic
Room: Faulhorn
Chair(s): Lennart Johnsen

• A static dial-a-ride problem with ride and waiting time minimization
  Christian Pfeiffer, Arne Schulz
• Multimodal commuter ride sharing with flexible interchanges and return trip planning
  Georg Brandstätter, Matthias Prandtstetter
• The Balanced Charging Problem
  Miriam Ganz, Erik Mühmer, Marco Lübbecke
• The dial-a-ride problem with stochastic interrelated trips
  Lennart Johnsen, Jan Fabian Ehmke, Frank Meisel

TA-13: Theory of Revenue Management
Stream: Revenue Management
Room: Blüemlisalp
Chair(s): Rainer Schlosser

• Risk-averse network revenue management
  Martin Glanzer, Christiane Barz
• Towards Transfer Learning for Revenue and Pricing Management
  Alexander Kastius, Rainer Schlosser
• Stochastic Dynamic Pricing under Duopoly Competition with Mutual Strategy Adjustments
  Rainer Schlosser, Alexander Kastius
• Contracting strategies for price competing firms under uncertainty
  You Wu, Benny Mantin, Anne Lange

TA-14: Data Mining Techniques
Stream: Analytics
Room: Wetterhorn
Chair(s): Jochen Gönsch, Davina Hartmann

• The Max-Cut Decision Tree: Improving on the Accuracy and Running Time of Decision Trees and Random Forests
  Jonathan Bodine, Dorit Hochbaum
• A k-means algorithm for clustering with hard and soft must-link and cannot-link constraints
  Philipp Baumann, Dorit Hochbaum
• Sparse Random Forests via Mathematical Optimization
  Kseniia Kurishchenko, Emilio CARRIZOSA, Dolores Romero Morales
• Predicting Personal Spending Targets for Promotional Offers
  Buse MERT, Defne İdil Eskiocak, Işıl Öztürk

TA-15: Project scheduling
Stream: Project Management and Scheduling
Room: Silberhorn
Chair(s): Maximilian Schiffer

• Generation and Characterization of Real-World Instances for the Flexible Resource-Constrained Multi-Project Scheduling Problem
  Hendrik Weber, Robert Brachmann, Rainer Kolisch
• A time-based schedule-generation scheme for project scheduling with storage resources and generalized precedence relations
  Mario Sillus, Christoph Schwindt
• Scheduling projects with converging and diverging material flows using IBM ILOG CP Optimizer – an experimental performance analysis
  Marco Gehring, Rebekka Volk, Niklas Braun, Frank Schultmann
• A New Branch-and-Cut Algorithm for the Rotating Workforce Scheduling Problem
  Tristan Becker, Maximilian Schiffer, Grit Walther

TA-16: Scheduling in Health Care
Stream: Health Care Management
Room: Schilthorn
Chair(s): Patrick Hirsch, Fermin Mallor

• Optimization of Physician Schedules at a Department of Internal Medicine
  Clemens Thielen, Jan Boeckmann
• Annual rostering management, with part-time agents and replacement days
  David Baez, Odile Bellenguez, Christelle Guéret
• Robust Appointment Scheduling with Waiting Time Constraints
  Carolin Bauerhenne, Rainer Kolisch
• Scheduling opening hours in rural healthcare facilities with mobile resources support
  Cristina Azcarate, Fermin Mallor, Daniel García-Vicuña, Marta Cildoz, Martín Gastón-Romeo, Laura Frías-Paredes

TB-04: Algorithms for Discrete Optimization Problems
Stream: Discrete and Combinatorial Optimization, sponsored by FICO
Room: Eiger
Chair(s): Clemens Thielen

• Efficient Algorithms for Multi-Threaded Interval Scheduling with Machine Availabilities
  Mariia Anapolska, Christina Büsing, Tabea Brandt, Tobias Mömke
• Segmentation and repetitive scheduling of linear continuous construction projects
  Michael Moos, Sebastian Velten, Christian Weiß
• An Approximation Algorithm for Interdicting Network Flows with Unit Arc Costs
  Jan Boeckmann, Clemens Thielen
• Some discrete optimization problems in matching markets
  Yuri Faenza

TB-05: Multi-Objective and Combinatorial Optimization
Stream: Discrete and Combinatorial Optimization, sponsored by FICO
Room: Mönch
Chair(s): Kathrin Klamroth

• The knapsack problem with special neighbor constraints on directed co-graphs
  Steffen Goebbels, Frank Gurski, Dominique Komander
• A new label setting framework for the Multiobjective Shortest Path problem
  Pedro Maristany de las Casas, Ralf Borndörfer, Antonio Sedeño-Noda
• Biobjective Optimization Problems on Matroids with Binary Costs
  Julia Sudhoff, Jochen Gorski, Kathrin Klamroth
• Efficient Scalarization-based Methods for Multiobjective Integer Programming
  Kathrin Klamroth, Kerstin Daechert, Tino Fleuren

TB-06: Two-Stage Stochastic Optimization
Stream: Discrete and Combinatorial Optimization, sponsored by FICO
Room: Jungfrau
Chair(s): Steffen Rebennack

• Utilizing strengthened lift-and-project cuts in decomposition methods to solve two-stage stochastic programming problems with binary first-stage variables
  Pavlo Glushko, Achim Koberstein, Csaba Fabian
• A Risk Averse Formulation for Bilevel Problems under Stochastic Uncertainty
  Johanna Burtscheidt, Matthias Claus
• Optimality Conditions in Risk-Neutral Bilevel Stochastic Linear Programming
  Matthias Claus, Johanna Burtscheidt, Stephan Dempe
• A converging Benders’ decomposition algorithm for two-stage mixed-integer recourse models
  Niels van der Laan, Ward Romeijnders

TB-07: Heuristics for industrial applications
Stream: Heuristics, Metaheuristics and Matheuristics
Room: Niesen
Chair(s): Alberto Locatelli

• Heuristic approach to a real-world two-stage flexible flow shop problem with workers allocation
  Beatrice Bolsi, Vinícius Loti de Lima, Thiago Alves de Queiroz, Manuel Iori
• Scheduling of parallel print machines with sequence-dependent set-up costs: A real case study
  Alberto Locatelli, Manuel Iori, Marco Locatelli
• Skill-Based Joint Order Batching and Picker Routing Problem
  Jafar Jamal, Andrea Di Florio Di Renzo, Dominic Loske, Matthias Klumpp, Xiaochen Chou, Roberto Montemanni
• Iterated Local Search for the Technician Routing and Scheduling Problem
  Ala-Eddine Yahiaoui, Hamid Allaoui, Sohaib Lafifi

TB-08: System boundaries
Stream: Energy and Environment
Room: Stockhorn
Chair(s): Russell McKenna

• Expanding conventional energy system models with material flows and production processes
  Michel Obrist
• Measuring the quality of decision rules for dynamic multi-criterial sequential problems in a dynamic environment: a Simulation Study
  Martin Romauch, Selim Erol, Jakob Kühnen
• Research trends in combinatorial optimisation
  Russell McKenna, Jann Weinand, Kenneth Sörensen, Pablo San Segundo, Max Kleinebrahm

TB-09: Multi-Criteria Decision Support for Energy Transitions
Stream: Energy and Environment
Room: Gantrisch
Chair(s): Valentin Bertsch

• Implementing the augmented epsilon-constraint method for multi-objective energy systems optimisation
  Jonas Finke, Valentin Bertsch
• Electricity system expansion planning of the Rhenish Mining Area considering environmental impacts by using multi-criteria-optimization
  Sophie Pathe, Valentin Bertsch
• Computational improvements to generate spatially-explicit alternatives for renewable capacity deployment (TurboSPORES)
  Francesco Lombardi, Brynmor Pickering, Stefan Pfenninger
• Ecological optimization of the charge of battery electric vehicles
  Leon Zacharopoulos, Jutta Geldermann, Nils Thonemann, Marcel Dumeier

TB-10: Stochastic & Dynamic problems
Stream: Logistics and Freight Transportation
Room: Schreckhorn
Chair(s): Jan Fabian Ehmke

• On the design of crowdsourced delivery fleets: Strategic decisions and operational implications
  Julius Luy, Maximilian Schiffer
• Anticipatory decision-making for stochastic dynamic vehicle routing
  Ninja Soeffker, Marlin Wolf Ulmer, Dirk Christian Mattfeld
• A machine learning approach for a fleet-based data-driven emissions model
  Johann Hillmann, Jan Fabian Ehmke
• Dynamic snow ploughing on a rolling horizon basis
  Georg Erwin Adrian Fröhlich, Karl Doerner, Margaretha Gansterer

TB-11: Sustainable Finance and Catastrophe Finance
Stream: Finance
Room: Wildstrubel
Chair(s): Stefan Kupfer

• The Challenge of CAT Bond Pricing: Random Forests win the Race
  Eileen Witowski
• Statistical Models Based Stock Trading Strategy for Vaccine Development Company during COVID-19 Outbreak
  Chi-Feng Ho, Chi-hong Ho
• The Influence of ESG Ratings on Idiosyncratic Stock Risk: The Unrated, the Good, the Bad, and the Sinners
  Matthias Horn
• Sustainable Investment Timing, Agency, and Information
  Stefan Kupfer, Max-Frederik Neubert

TB-12: Dial-a-Ride Problems II
Stream: Mobility and Traffic
Room: Faulhorn
Chair(s): Tai-yu Ma

• Learned Optimization Guidance for Dynamic Dial-a-Ride Problems
  Christian Ackermann, Julia Rieck
• A Learning-Based Optimization Approach for Autonomous Ridesharing: Modeling Service Classes and On-Demand Hiring of Idle Vehicles
  Frederik Schulte, Breno Alves Beirigo
• Optimal queueing-based vehicle charging scheduling and assignment for dynamic electric ridepooling service
  Tai-yu Ma, Yumeng Fang

TB-13: Airline Revenue Management & Applications
Stream: Revenue Management
Room: Blüemlisalp
Chair(s): Thomas Winter

• Customized airline offer management: a conceptual architecture
  Daniel Schubert
• Synchronized Dynamic Programming for Simultaneous Control of Several Leg Compartments
  Thomas Winter
• Demand Forecasting in Hospitality Using Smoothed Demand Curves
  Rik van Leeuwen, Ger Koole
• Sustainable product design when durability matters – with applications to the case of electric toothbrushes
  David Topchishvili, Cornelia Schoen

TB-14: MCDA: Artificial Intelligence and Digitalization
Stream: Decision Analysis and Support
Room: Wetterhorn
Chair(s): Florian Kaiser

• Using Machine Learning to Include Planners’ Preferences in Crew Scheduling Optimization
  Theresa Gattermann-Itschert, Laura Maria Poreschack, Ulrich Thonemann
• A Lazy Expert: Predicting Lazy Constraints For Production Planning With Perishability Using Deep Learning
  
• Investor characteristics and their impact on the decision to use a robo-advisor
  Stefan Wendt, Andreas Oehler, Matthias Horn
• Process value oriented analysis of digitalization investments
  Florian Kaiser, Marcus Wiens, Frank Schultmann

TB-15: GOR Young Researchers Awards
Stream: PC Stream
Room: Silberhorn
Chair(s): Alexander Martin, Oliver Stein

• A two-phase stochastic programming approach to biomass supply planning for combined heat and power plants
  Daniela Guericke
• On the Rectangular Knapsack Problem: Approximation of a Specific Quadratic Knapsack Problem
  Britta Efkes
• Airport capacity extension, fleet investment, and optimal aircraft scheduling in a multilevel market model: quantifying the costs of imperfect markets
  Martin Weibelzahl
• Optimal Line Planning in the Parametric City
  Berenike Masing

TB-16: Technical Systems
Stream: OR in Engineering
Room: Schilthorn
Chair(s): Michael Stiglmayr

• Optimization of wear related material costs of a hydrostatic transmission system via MINLP
  Andreas Schmitt, Lena Charlotte Altherr, Philipp Leise, Marc Pfetsch
• A Finite Element Approach for Trajectory Optimization in Wire-Arc Additive Manufacturing
  Johannes Schmidt, Johannes Buhl, Armin Fügenschuh
• Hypervolume Scalarization for Biobjective Shape Optimization
  Michael Stiglmayr, Johanna Schultes, Kathrin Klamroth
• A comprehensive approach to solve operational planning challenges of a new LPBF machine concept
  Nick Materzok, Katrin Koppe, Lennart Lahrs, Marco Lübbecke, Viraj Patil, Elisabeth Rodriguez-Heck, Hermann Sturzebecher, Christian Tenbrock, Jiangyue Zhao

TC-01: SP talk Archetti
Stream: PC Stream
Room: Bundeshaus
Chair(s): Karl Doerner

• Formulations and exact solution approaches for the Inventory Routing Problem
  Claudia Archetti

TC-02: SP talk Kuhn
Stream: PC Stream
Room: Zytglogge
Chair(s): Ulf Lorenz

• A Unifying Framework for Robust and Distributionally Robust Optimization
  Daniel Kuhn

TC-03: SP talk Parragh
Stream: PC Stream
Room: Münster
Chair(s): Ulrich Pferschy

• Branch-and-bound for multi-objective (mixed) integer linear programming: key ingredients, challenges, and motivating applications
  Sophie Parragh

TD-04: Software for OR - Modeling II
Stream: Discrete and Combinatorial Optimization, sponsored by FICO
Room: Eiger
Chair(s): Frederik Proske

• AIMMS model development tools
  Arthur d`Herbemont
• Model deployment in GAMS
  Frederik Proske, Robin Schuchmann
• Operationalizing analytic models in a business user friendly environment
  Sergio Morales Enciso
• 40 Years of OR Software Development: Lessons Learned
  John Chinneck

TD-05: Software for OR - NLP
Stream: Discrete and Combinatorial Optimization, sponsored by FICO
Room: Mönch
Chair(s): Renke Kuhlmann

• TOPAS Model Fitting: Improving the Modeling Process of Dynamical Systems using Parametric Sensitivities from Nonlinear Optimization
  Marek Wiesner, Arne Berger, Wiebke Bergmann, Kai Schäfer, Carla Dittert, Petr Shulpyakov, Christof Büskens
• Graph-Structured Nonlinear Programming: Properties, Algorithms, and Software
  VICTOR ZAVALA, Jordan Jalving, Sungho Shin
• Computationally Efficient Parallel Nonlinear Programming in PyNumero and Parapint
  Carl Laird
• Second-Derivative Methods SQP for Large-Scale Non-Convex Nonlinear Optimization
  Elizabeth Wong, Philip E. Gill, Alexander Guldemond

TD-06: Bi-Level Optimization
Stream: Discrete and Combinatorial Optimization, sponsored by FICO
Room: Jungfrau
Chair(s): Markus Sinnl

• An Exact Projection-Based Algorithm for Bilevel Mixed-Integer Problems with Nonlinearities
  Maximilian Merkert, Galina Orlinskaya, Dieter Weninger
• Presolving Linear Bilevel Optimization Problems
  Dieter Weninger, Thomas Kleinert, Julian Manns, Martin Schmidt
• A branch-and-cut algorithm for submodular interdiction games
  Kübra Tanınmış, Markus Sinnl
• On solving fortification games via branch-and-cut
  Markus Sinnl, Markus Leitner, Ivana Ljubic, Michele Monaci, Kübra Tanınmış

TD-07: Metaheuristics and Feature Selection
Stream: Heuristics, Metaheuristics and Matheuristics
Room: Niesen
Chair(s): Pongchanun Luangpaiboon, Pasura Aungkulanon

• Experimental evaluation of the predictive quality induced by some features selection algorithms
  Thibault Agondja, François Delbot, Jean-François PRADAT-PEYRE
• Continuous Optimization Problems via a Novel Metaheuristic: The Clean Room Learning Algorithm
  Pasura Aungkulanon, Roberto Montemanni, Pongchanun Luangpaiboon
• Sheepdog Algorithm: A new bio-inspired approach for feature selection.
  Shubbham Gupta, Paula Carroll, Michael Fop
• The node edge and arc routing problem with stochastic customers and service times
  Oscar Téllez, Véronique François, Yasemin Arda

TD-08: Storage and flexibility markets
Stream: Energy and Environment
Room: Stockhorn
Chair(s): Hannes Hobbie

• Quantifying Value Pools for Distributed Flexible Energy Assets: A Mixed Integer Linear Programming Approach
  Reinhard Madlener, Jan Martin Specht
• Prosumer Empowerment through Community-Power-Purchase-Agreements: A Market Design for Peer-to-Peer Swarm Grids
  Jens Weibezahn , Raluca Dumitrescu, Alexandra Lüth, Sebastian Groh
• Design of flexible short-term energy contracts – An analysis of trading strategies on the continuous intraday market
  Michael Naumann, Rainer Baule
• Robust optimization of multi-energy systems with seasonal storage and yearly constraints
  Alessandro Francesco Castelli, Luca Moretti, Giampaolo Manzolini, Emanuele Martelli

TD-09: Microgrids and district heating
Stream: Energy and Environment
Room: Gantrisch
Chair(s): Russell McKenna

• Calculating the cost optimal integration of renewable electricity in a district heating system
  Markus Schindler, Lukas Gnam, Christian Pfeiffer, Markus Puchegger, Patricia Jasek
• A Conceptual Framework to Determine the Economically Optimal Level of Microgrid Resilience
  Sammit Vartak, Reinhard Madlener
• A generic stochastic network-flow formulation for production optimization of district heating systems
  Daniela Guericke, Amos Schledorn, Henrik Madsen
• A reinforcement learning approach to home energy management for modulating heat pumps and photovoltaic systems
  Lissy Langer, Thomas Volling

TD-10: Rail, air, bus, and underground transportation
Stream: Logistics and Freight Transportation
Room: Schreckhorn
Chair(s): Ricardo Euler

• Multi-start Heuristics for Unit-Capacity Orienteering Problems
  Alexander Beckmann, Jürgen Zimmermann
• Decision Support System for Rail Depot Planning
  Gian Tuor, Fabian Leuthold, Bruno Pfeiffer, Harold Tiemessen
• Large Neighborhood Search for a Multi-Objective Dial-a-Ride Problem in Shared Micro-Transit Services
  Christian Truden, Mario Ruthmair, Kerstin Maier
• ULD Build-Up Scheduling with Dynamic Batching in an Air Freight Hub
  Ricardo Euler, Ralf Borndörfer, Timo Strunk, Tuomo Takkula

TD-11: Scheduling and Visualization in Supply Chain and Production Management
Stream: Supply Chain and Production Management
Room: Wildstrubel
Chair(s): Sebastian Scholz

• Optimization of production scheduling under demand-side management
  
• Continuous-time Scheduling in Green Supply Chain Management
  Wolfgang Albrecht
• Customer Order Behavior Visualization and Interpretation
  Marco Ratusny, Maximilian Schiffer, Shreya Singh
• Agent based heterogeneous production equipment coordination in an environmentally oriented production setting
  Sebastian Scholz, Frank Meisel

TD-12: Data-Driven Approaches
Stream: Mobility and Traffic
Room: Faulhorn
Chair(s): Jan Fabian Ehmke

• Strategic Planning Support for Road Safety Measures Based on Accident Data Mining
  Katherina Meißner, Julia Rieck
• Estimating the Robustness of Public Transport Systems Using Machine Learning
  Alexander Schiewe, Matthias Müller-Hannemann, Ralf Rückert, Anita Schöbel
• Comparison of different prediction methods for fare revenues in public transportation in Berlin
  Sandra Spiegelberg, Jonas Krembsler, Nicki Lena Kämpf, Thomas Winter, Nicola Winter, Robert Knappe
• Traveler-Oriented Multi-Criteria Decision Support System for Multimodal Itineraries
  Jan Fabian Ehmke, Thomas Horstmannshoff

TD-13: Human Machine Interaction
Stream: Game Theory and Behavioral Management
Room: Blüemlisalp
Chair(s): Andreas Fügener

• Queuing systems in the light of skill level and preferences: Evidences from behavioral experiments in automated warehouses
  Fabian Lorson, Alexander Hübner, Andreas Fügener
• Keep It Mystic? – The Effects of Algorithm Transparency on the Use of Advice
  Cedric Lehmann, Christiane Haubitz, Andreas Fügener, Ulrich Thonemann
• Contextual information in the forecasting support systems
  Anna Sroginis, Nikolaos Kourentzes, Robert Fildes
• Incentive Study on Strategic Behaviors to Resource Sharing on P2P Networks
  Yukun Cheng, Xiaotie Deng

TD-14: Prescriptive Analytics and Interpretability
Stream: Analytics
Room: Wetterhorn
Chair(s): Philipp Baumann

• An a-priori Parameter Selection Approach to Enhance the Performance of Genetic Algorithms Solving Pickup and Delivery Problems
  Cornelius Rüther, Shabanaz Chamurally, Julia Rieck
• Mathematical Optimization for Individual and Group Level Counterfactual Explanations
  Jasone Ramírez-Ayerbe, Emilio CARRIZOSA, Dolores Romero Morales
• A new Greedy Heuristic driven by Machine Learning for the symmetric Traveling Salesman Problem
  Umberto Junior Mele, Luca Maria Gambardella, Roberto Montemanni
• Predicting Inventory Inaccuracies to Minimize Record-Keeping Errors
  Defne İdil Eskiocak, Buse MERT, Birol Yüceoglu

TD-15: GOR Master Thesis Awards
Stream: PC Stream
Room: Silberhorn
Chair(s): Kevin Tierney

• A semidefinite approach for the single row facility layout problem
  Jan Schwiddessen
• An Adaptive Large Neighborhood Search for a Real-World Multi-Attribute Vehicle Routing and Scheduling Problem
  Pia Ammann
• SAT-Heuristics for the Periodic Event Scheduling Problem
  Sarah Roth
• Risk Aware Flow Optimization and Application to Logistics Networks
  Erik Diessel

TD-16: Logistics in Health Care
Stream: Health Care Management
Room: Schilthorn
Chair(s): Melanie Reuter-Oppermann

• Fairness and Efficiency – Incompatible Objectives in EMS Location Planning?
  Matthias Grot, Luis Nagel, Tristan Becker, Pia Mareike Steenweg, Brigitte Werners
• Classifying ready-for-transfer patients in the intensive care unit based on clinical data
  Franz Ehm, Volkmar Franz, Maic Regner, Udo Buscher, Hanns-Christoph Held, Peter Spieth
• Leveling ICU Bed Occupancy Using a Quota System: An Applied Heuristic for Operating Theater Managers
  Steffen Heider
• The use of drones in healthcare logistics
  Melanie Reuter-Oppermann

TE-01: Plenary talk Perakis
Stream: PC Stream
Room: Bundeshaus
Chair(s): Norbert Trautmann

• Analytics for tackling Covid-19
  Georgia Perakis

TF-05: PhD students event
Stream: PC Stream
Room: Mönch
Chair(s): Norbert Trautmann

• How to get your first paper accepted
  Claudia Archetti, Daniel Kuhn

FA-04: Data Reduction
Stream: Discrete and Combinatorial Optimization, sponsored by FICO
Room: Eiger
Chair(s): Andreas Alpers

• Power-SLIC: Generating Superpixels via Clustering
  Maximilian Fiedler, Andreas Alpers
• On representing polycrystalline microstructures by generalized balanced power diagrams
  Andreas Alpers, Andreas Brieden, Peter Gritzmann, Allan Lyckegaard, Henning Friis Poulsen
• Adding Relations in Multi-levels of a Complete K-ary Linking Pin Organization Structure Maximizing Total Shortening Distance
  Kiyoshi Sawada
• A new approximation algorithm with a posteriori performance guarantee for solving the Facility Location Problem
  Alexandr Shtepa, Edward Gimadi

FA-05: Semidefinite Programming
Stream: Discrete and Combinatorial Optimization, sponsored by FICO
Room: Mönch
Chair(s): Elisabeth Gaar

• BiqBin: a solver for binary quadratic problems subject to linear constraints
  Nicolo Gusmeroli, Angelika Wiegele
• SDP relaxations for certain mixed-integer quadratic problems
  Shudian Zhao, Angelika Wiegele
• Taking advantage of SDP in a Graph Theory Conjecture
  Elisabeth Gaar
• New Sum-Of-Squares Certificates for Vizing's Conjecture
  Melanie Siebenhofer, Elisabeth Gaar

FA-06: Theory and Applications of IPs
Stream: Discrete and Combinatorial Optimization, sponsored by FICO
Room: Jungfrau
Chair(s): Ralf Borndörfer, Renke Kuhlmann

• New exact approaches for the combined cell layout problem
  Anja Fischer, Mirko Dahlbeck, Philipp Hungerländer, Kerstin Maier
• Variants of the Dial-a-Ride Problem encountered by Austrian mobility providers
  Philipp Armbrust, Kerstin Maier, Veronika Pachatz, Philipp Hungerländer
• Optimal Districts for Transit Network Control
  William Surau, Ralf Borndörfer, Stephan Schwartz

FA-07: Machine Learning & Optimization
Stream: Discrete and Combinatorial Optimization, sponsored by FICO
Room: Niesen
Chair(s): Charlie Vanaret

• Boosting Frank-Wolfe by Chasing Gradients
  Cyrille Combettes
• Evaluating the Potential of Reinforcement Learning and Deep-Q-learning for a Stochastic Scheduling Problem
  Mohammed Majthoub Almoghrabi, Guillaume Sagnol
• Ecole: A Library for Learning Inside MILP Solvers
  Didier Chételat
• An Image-based Approach to Detecting Structural Similarity Among Mixed Integer Programs
  Marco Lübbecke, Mark Karwan, Chase Murray, Zachary Steever, Junsong Yuan

FA-08: Power networks
Stream: Energy and Environment
Room: Stockhorn
Chair(s): Christian Füllner

• Developing Minimum-Cost Expansion Plans: A Computation Study of a German Power Distribution Network
  Sascha C Burmeister, Guido Schryen
• Semidefinite Programming Approach to Security Constrained Optimal Power Flow with FACTS Devices
  Bartosz Filipecki, Christoph Helmberg
• Potential-Driven Network Flows under Uncertainty
  Rüdiger Schultz
• Multitask learning for data-driven wind farm management and condition-based maintenance
  Angela Meyer

FA-09: Exact Vehicle Routing and Scheduling
Stream: Logistics and Freight Transportation
Room: Gantrisch
Chair(s): Katrin Heßler

• A Branch-and-Price algorithm for the electric freight vehicle scheduling problem
  Patrick Klein, Maximilian Schiffer
• A decomposition approach for a joint locomotive and driver scheduling problem in rail freight traffic
  Jonasz Staszek, Andreas Bärmann, Alexander Martin
• Partial dominance in branch-price-and-cut for the electric vehicle routing problem with time window
  Stefan Faldum, Stefan Irnich, Timo Gschwind
• Partial Dominance in Branch-Price-and-Cut for the Multi-Compartment Vehicle Routing Problem
  Katrin Heßler, Stefan Irnich

FA-10: Facility location & picking & cutting
Stream: Logistics and Freight Transportation
Room: Schreckhorn
Chair(s): Marc Gennat

• Mobile service facilities with customer choice (MSFCC)
  Viktor Bindewald, Stefan Nickel, David Sayah
• Solving the Skiving Stock Problem using Stabilized Column Generation and the Reflect Arcflow Model
  Laura Korbacher, Stefan Irnich, John Martinovic, Nico Strasdat
• Integrative zoning and item-to-zone assignment in pick-and-pass order picking systems - a basic decision model
  Regina Thelen, Ralf Gössinger

FA-11: Assembly Lines and Repair Kit Problems
Stream: Supply Chain and Production Management
Room: Wildstrubel
Chair(s): Christian Weckenborg

• Branch-and-bound for the balancing of paced assembly lines under random sequences
  Celso Gustavo Stall Sikora
• Anticipating technical car sequencing rules in the master production scheduling of mixed-model assembly lines
  Thorben Krüger, Achim Koberstein
• The repair kit problem with fixed delivery costs
  Christoph Rippe
• Disassembly Line Balancing with Collaborative Robots
  Christian Weckenborg

FA-12: Electric Mobility
Stream: Mobility and Traffic
Room: Faulhorn
Chair(s): David Rößler

• Optimizing the Technology Split for a Decarbonized Bus Network
  Ulrich Pferschy, Nathalie Frieß
• Planning robust charging infrastructure for battery electric bus systems
  Miriam Stumpe, David Rößler, Natalia Kliewer, Guido Schryen
• Electric Bus Scheduling in Public Transportation
  Fabian Löbel, Ralf Borndörfer, Steffen Weider
• Electric Vehicle Scheduling and Charging Scheduling to Increase Renewable Energy Utilization in the Public Transport Sector
  David Rößler, Paolo Graniero, Natalia Kliewer

FA-13: Flows and Markets
Stream: Game Theory and Behavioral Management
Room: Blüemlisalp
Chair(s): Till Heller

• A pricing scheme for convex mixed-integer nonlinear competitive equilibrium problems that minimises side-payments
  Lukas Hümbs, Alexander Martin, Lars Schewe
• On the Existence of Energy Market Equilibria with Convex and Nonconvex Players
  Julia Grübel, Olivier Huber, Lukas Hümbs, Max Klimm, Martin Schmidt, Alexandra Schwartz
• Computing the egalitarian allocation with network flows
  Till Heller, Sven Krumke
• In Congestion Games, Taxes Achieve Optimal Approximation
  Dario Paccagnan, Martin Gairing

FA-14: MCA and LCA
Stream: Decision Analysis and Support
Room: Wetterhorn
Chair(s): Alice H. Aubert

• Multi-criteria portfolio construction based on PROMETHEE ranking for environmental decision-making
  Erik Pohl, Jutta Geldermann
• Prospective multi-criteria analysis in the water-energy nexus
  Sebastian Schär, Jutta Geldermann
• Determining and resolving conflicts in the configuration of high-performance pumps
  Sebastian Velten, Christopher Paul Hamkins, Tobias Fischer, Pascal Wortel
• Supporting citizen participation in decision-making: Can gamified interventions and serious games help?
  Alice H. Aubert, Judit Lienert

FA-15: New models and approaches in scheduling
Stream: Project Management and Scheduling
Room: Silberhorn
Chair(s): Robert Klein

• Data-driven generation of digital twin models for predictive-reactive job shop scheduling
  Felix Grumbach, Pascal Reusch
• Modelling challenges in airline crew scheduling
  Emily Curry, Henrik Wallenius
• A new IP formulation for the single picker routing problem with scattered storage
  Stefan Irnich
• Dynamic Order Acceptance and Scheduling Approaches for Two Machines Flow Shop Scheduling Problems
  Sebastian Spindler, Claudius Steinhardt, Robert Klein

FA-16: Simulation/Machine Learning in Health Care
Stream: Health Care Management
Room: Schilthorn
Chair(s): Michael Römer

• The Value of Data Collection: Validation of a Simulation Model for Emergency Medical Services
  Sven Watzinger, David Olave-Rojas, Stefan Nickel
• The Effects of a Boarding Area on Patient Waiting Time in the Emergency Department using a Discrete-Event Simulation
  Jakob Heins
• Combining Machine Learning and Monte-Carlo Simulation to Support Intensive Care Occupancy Management
  Arne Henning Witteborg, Michael Römer, Rainer Borgstedt, Gerrit Jansen
• Artificial intelligence-based decision support in laboratory diagnostics
  Alexander Scherrer, Michael Helmling, Christian Singer, Sinan Riedel, Karl-Heinz Kuefer

FB-01: SP talk Gansterer
Stream: PC Stream
Room: Bundeshaus
Chair(s): Stefan Irnich

• Collaborative vehicle routing: computational and game theoretical aspects
  Margaretha Gansterer

FB-02: SP talk Liers
Stream: PC Stream
Room: Zytglogge
Chair(s): Stefan Wolfgang Pickl

• Mixed-Integer Robust Optimization: Some Algorithms and Some Applications
  Frauke Liers

FB-03: SP talk Wozabal
Stream: PC Stream
Room: Münster
Chair(s): Steffen Rebennack

• Short-Term Power Markets: Towards Optimal Trading Decisions
  David Wozabal

FC-01: EURO Plenary talk Dür
Stream: PC Stream
Room: Bundeshaus
Chair(s): Oliver Stein

• Conic optimization: an application-oriented survey
  Mirjam Duer

FD-01: Closing session
Stream: PC Stream
Room: Bundeshaus
Chair(s): Norbert Trautmann, Alf Kimms