Christian Liebchen

According to our database, Christian Liebchen authored at least 35 papers between 2002 and 2023.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2023

Periodic timetabling with integrated track choice for railway construction sites.

Berenike Masing, Niels Lindner, Christian Liebchen

J. Rail Transp. Plan. Manag., December, 2023

Integrating Line Planning for Construction Sites into Periodic Timetabling via Track Choice.

Berenike Masing, Niels Lindner, Christian Liebchen

Proceedings of the 23rd Symposium on Algorithmic Approaches for Transportation Modelling, 2023

2022

The Ring Never Relieves - Response rules for metro circle lines.

Christian Liebchen, Steffen Dutsch, Shiguang Jin, Norio Tomii, Yihui Wang

J. Rail Transp. Plan. Manag., 2022

Timetable merging for the Periodic Event Scheduling Problem.

Niels Lindner, Christian Liebchen

EURO J. Transp. Logist., 2022

2021

Forward Cycle Bases and Periodic Timetabling.

Niels Lindner, Christian Liebchen, Berenike Masing

Proceedings of the 21st Symposium on Algorithmic Approaches for Transportation Modelling, 2021

2020

Determining All Integer Vertices of the PESP Polytope by Flipping Arcs.

Niels Lindner, Christian Liebchen

Proceedings of the 20th Symposium on Algorithmic Approaches for Transportation Modelling, 2020

2019

A collection of aspects why optimization projects for railway companies could risk not to succeed - A multi-perspective approach.

Christian Liebchen, Hanno Schülldorf

J. Rail Transp. Plan. Manag., 2019

New Perspectives on PESP: T-Partitions and Separators.

Niels Lindner, Christian Liebchen

Proceedings of the 19th Symposium on Algorithmic Approaches for Transportation Modelling, 2019

2018

A Simple Way to Compute the Number of Vehicles That Are Required to Operate a Periodic Timetable.

Ralf Borndörfer, Marika Karbstein, Christian Liebchen, Niels Lindner

Proceedings of the 18th Workshop on Algorithmic Approaches for Transportation Modelling, 2018

2017

Models for railway timetable optimization: Applicability and applications in practice.

Gabrio Caimi, Leo G. Kroon, Christian Liebchen

J. Rail Transp. Plan. Manag., 2017

On the Benefit of Preprocessing and Heuristics for Periodic Timetabling.

Christian Liebchen

Proceedings of the Operations Research Proceedings 2017, 2017

An Improved Algorithm for the Periodic Timetabling Problem.

Marc Goerigk, Christian Liebchen

Proceedings of the 17th Workshop on Algorithmic Approaches for Transportation Modelling, 2017

2011

Special issue of <i>Networks</i> on optimization in scheduled transportation networks.

Ravindra K. Ahuja, Christian Liebchen

Networks, 2011

2010

Computing delay resistant railway timetables.

Christian Liebchen, Michael Schachtebeck, Anita Schöbel, Sebastian Stiller, André Prigge

Comput. Oper. Res., 2010

2009

The Concept of Recoverable Robustness, Linear Programming Recovery, and Railway Applications.

Christian Liebchen, Marco E. Lübbecke, Rolf H. Möhring, Sebastian Stiller

Proceedings of the Robust and Online Large-Scale Optimization: Models and Techniques for Transportation Systems, 2009

Delay resistant timetabling.

Christian Liebchen, Sebastian Stiller

Public Transp., 2009

Lower bounds for strictly fundamental cycle bases in grid graphs.

Ekkehard Köhler, Christian Liebchen, Gregor Wünsch, Romeo Rizzi

Networks, 2009

Integral cycle bases for cyclic timetabling.

Christian Liebchen, Leon Peeters

Discret. Optim., 2009

Cycle bases in graphs characterization, algorithms, complexity, and applications.

Telikepalli Kavitha, Christian Liebchen, Kurt Mehlhorn, Dimitrios Michail, Romeo Rizzi, Torsten Ueckerdt, Katharina Anna Zweig

Comput. Sci. Rev., 2009

2008

The First Optimized Railway Timetable in Practice.

Christian Liebchen

Transp. Sci., 2008

The zoo of tree spanner problems.

Christian Liebchen, Gregor Wünsch

Discret. Appl. Math., 2008

The Second Chvatal Closure Can Yield Better Railway Timetables.

Christian Liebchen, Elmar Swarat

Proceedings of the ATMOS 2008, 2008

2007

New length bounds for cycle bases.

Michael Elkin, Christian Liebchen, Romeo Rizzi

Inf. Process. Lett., 2007

Classes of cycle bases.

Christian Liebchen, Romeo Rizzi

Discret. Appl. Math., 2007

Benchmarks for Strictly Fundamental Cycle Bases.

Christian Liebchen, Gregor Wünsch, Ekkehard Köhler, Alexander Reich, Romeo Rizzi

Proceedings of the Experimental Algorithms, 6th International Workshop, 2007

When Periodic Timetables Are Suboptimal.

Ralf Borndörfer, Christian Liebchen

Proceedings of the Operations Research, 2007

ATMOS 2007 Preface - 7th Workshop on Algorithmic Approaches for Transportation Modeling, Optimization, and Systems.

Ravindra K. Ahuja, Christian Liebchen, Juan A. Mesa

Proceedings of the ATMOS 2007, 2007

ATMOS 2007 Abstracts Collection - 7th Workshop on Algorithmic Approaches for Transportation Modeling, Optimization, and Systems.

Ravindra K. Ahuja, Christian Liebchen, Juan A. Mesa

Proceedings of the ATMOS 2007, 2007

2006

Periodic Timetable Optimization in Public Transport.

Christian Liebchen

Proceedings of the Operations Research, 2006

2005

A greedy approach to compute a minimum cycle basis of a directed graph.

Christian Liebchen, Romeo Rizzi

Inf. Process. Lett., 2005

A Cut-Based Heuristic to Produce Almost Feasible Periodic Railway Timetables.

Christian Liebchen

Proceedings of the Experimental and Efficient Algorithms, 4th InternationalWorkshop, 2005

2004

The Modeling Power of the Periodic Event Scheduling Problem: Railway Timetables - and Beyond.

Christian Liebchen, Rolf H. Möhring

Proceedings of the Algorithmic Methods for Railway Optimization, 2004

2003

Symmetry for Periodic Railway Timetables.

Christian Liebchen

Proceedings of the Algorithmic MeThods and Models for Optimization of RailwayS, 2003

Finding Short Integral Cycle Bases for Cyclic Timetabling.

Christian Liebchen

Proceedings of the Algorithms, 2003

2002

A Case Study in Periodic Timetabling.

Christian Liebchen, Rolf H. Möhring

Proceedings of the Algorithmic Methods and Models for Optimization of Railways, 2002