Institute for Numerical and Applied Mathematics - Research Group Optimization

Profile of Dr. Julius Pätzold


 
Dr. Julius Pätzold
Institut für Numerische und Angewandte Mathematik
Lotzestraße 16-18
37083 Göttingen
 
Raum 208
Telefon 0551-39-22578
j.paetzold@math.uni-goettingen.de
 

Research Interests


 
  • Robust Optimization
  • Integer Optimization
  • Cutting Plane Methods
  • Optimization in Public Transportation Planning
  • Periodic Event Scheduling Problem

 

Scientific Vita


 
10/2016 - 09/2019 PhD Student at Institut für Numerische und Angewandte Mathematik, University of Göttingen
04/2016 - 09/2016 PhD Student at Universitäty of Osnabrück
10/2014 - 02/2016 Studies of Mathematics (M.Sc.) with minor Business Administration, University of Göttingen, thesis: Periodic Timetabling with Fixed Driving and Waiting Times (Prof. Dr. Anita Schöbel)
09/2012 - 06/2013 Studies Abroad at University of Warwick, United Kingdom
10/2011 - 09/2014 Studies of Mathematics (B.Sc.) with minor Economics, University of Göttingen, thesis: A p-Median Approach for Solving Line Location Problems (Prof. Dr. Anita Schöbel)
09/2004 - 06/2011 Domgymnasium Verden, Allgemeine Hochschulreife (German A-levels)

 

Employment


 
09/2016 - 09/2019 Research Assistant at Simulationswissenschaftliches Zentrum Clausthal-Göttingen
09/2018 - 02/2019 Research Scientist for the collaboration project "Optimization of Defleet Depot Locations" with Sixt SE
04/2016 - 08/2016 Research Assistant at University of Osnabrück
04/2015 - 03/2016 Student Assistant for LinTim Software Project
09/2014 - 10/2014 Internship as Junior Consultant at d-fine GmbH (Consulting Group for Finance and Risk Management)
10/2013 - 03/2015 Student Assistant at Mathematisches Institut, University of Göttingen
07/2013 - 09/2013 Internship at Risk Management Department of Nord/LB, Hanover

 

Awards


 
  • ATMOS 2017 Best Paper Award:
    with the paper Look-Ahead Approaches for Integrated Planning in Public Transportation
    by Julius Pätzold, Alexander Schiewe, Philine Schiewe and Anita Schöbel

 

Talks at Conferences and Workshops


 
  • Robust Periodic Timetabling.
    June 2019, EURO 2019 Conference, Dublin, Ireland.
  • Iterative Approaches for Exact Solutions to Robust Optimization Problems.
    September 2018, OR2018 Conference, Brussels, Belgium.
  • Cost-Minimal Public Transport Planning.
    August 2018, 18th Workshop on Algorithmic Approaches for Transportation Modelling, Optimization, and Systems (ATMOS 2018), Helsinki, Finland.
  • Improving LinTim for Integrated Planning in Public Transportation.
    17th May 2018, GOR Meeting Logistics and Traffic, Karlsruhe, Germany.
  • Improving LinTim for Optimizing Integrated Public Transport Problems.
    24th October 2017, IEOR Seminar, Indian Institute of Technology, Mumbai, India.
  • Look-Ahead Approaches for Integrated Planning in Public Transportation.
    07th September 2017, 17th Workshop on Algorithmic Approaches for Transportation Modelling, Optimization, and Systems (ATMOS 2017), Vienna, Austria.
  • Comparing Different Algorithms for Periodic Timetabling.
    15th May 2017, Workshop on Integrated Timetabling, Göttingen, Germany.
  • Solving Robust Optimization Problems by an Iterative Simulation-Based Approach.
    27th April 2017, SimScience 2017, Göttingen, Germany.
  • Periodic Timetabling with Fixed Driving and Waiting Times.
    2nd September 2016, OR2016, Hamburg, Germany.
  • Periodic Timetabling with Fixed Driving and Waiting Times.
    5th August 2016, Future Research on Combinatorial Optimization (FRICO), Osnabrück, Germany.



Bücher




  • J. Pätzold. 2019. Investigating Robustness, Public Transport Optimization, and their Interface. Universität Göttingen.



Referierte Artikel in Zeitschriften




  • J. Pätzold. 2019. Finding Robust Periodic Timetables by Integrating Delay Management. arXiv preprint arXiv:1907.04554. Submitted to Springer Public Transport.
  • J. Pätzold, A. Schöbel. 2019. Approximate cutting plane approaches for exact solutions to robust optimization problems. European Journal of Operational Research. Elsevier.



Referierte Konferenzbeiträge




  • A. Schöbel, J. Pätzold, J. P. Müller. 2019. The Trickle-In Effect: Modeling Passenger Behavior in Delay Management. In 19th Symposium on Algorithmic Approaches for Transportation Modelling, Optimization, and Systems (ATMOS 2019)75: Schloss Dagstuhl-Leibniz-Zentrum fuer Informatik. 6:1-6:15.
  • J. Pätzold, A. Schiewe, A. Schöbel. 2018. Cost-Minimal Public Transport Planning. In 18th Workshop on Algorithmic Approaches for Transportation Modelling, Optimization, and Systems (ATMOS 2018)65: Schloss Dagstuhl-Leibniz-Zentrum fuer Informatik. 8:1-8:22.
  • J. Pätzold, A. Schiewe, P. Schiewe, A. Schöbel. 2017. Look-Ahead Approaches for Integrated Planning in Public Transportation. In 17th Workshop on Algorithmic Approaches for Transportation Modelling, Optimization, and Systems (ATMOS 2017)59: Schloss Dagstuhl-Leibniz-Zentrum fuer Informatik. 1-16.
  • J. Pätzold, A. Schöbel. 2016. A Matching Approach for Periodic Timetabling. In 16th Workshop on Algorithmic Approaches for Transportation Modelling, Optimization, and Systems (ATMOS 2016)54: Schloss Dagstuhl-Leibniz-Zentrum für Informatik. 1-15.



Eingereichte Arbeiten




  • A. Schiewe, S. Albert, J. Pätzold, P. Schiewe, A. Schöbel, J. Schulz. 2018. LinTim: An integrated environment for mathematical public transport optimization. Documentation. Preprint-Reihe, Institut für Numerische und Angewandte Mathematik, Georg-August-Universität Göttingen.



Diese Veröffentlichungen als einzelne BibTeX-Datei: publications.bib


 

Teaching


 
  • Scientific Computing for Optimization of Public Transport
    Supervision of students (Summer Semester 2018, University of Göttingen)
  • Numerical Mathematics I
    Lecture Assistance and Exercise Class (Winter Semester 2017/2018, University of Göttingen)
  • Golden School: Public Transport Optimization
    Organization, lectures und supervision of students (September 2017, Beijing Jiaotong University, China)
  • Scientific Computing for Optimization of Public Transport
    Teaching Assistance and Exercise Class (Summer Semester 2017, University of Göttingen)
  • Seminar on Algorithms for Robust Integer Programming
    Supervision of Students (Winter Semester 2016/2017, University of Göttingen)
  • Graph Algorithms
    Lecture Assistance and Exercise Class (Summer Semester 2016, University of Osnabrück)
Arbeitsgruppe Optimierung

 
    Members of research group