OPTIMIZATIONACADEMIC WEBSITE
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ABOUT

PERSONAL DETAILS

Welcome to my personal and academic profile. I am currently a postdoc researcher at Graz University of Technology in the combinatorial optimization group. Before that I did my PhD studies as part of the DK Discrete Mathematics under the supervision of Bettina Klinz.

Mail: lendl [at] math.tugraz.at

RESEARCH INTERESTS
  • Combinatorial optimization
  • Operations research
  • Mixed integer programming
  • Graph algorithms
  • Data structures
  • Approximation algorithms
  • Efficiently solvable special cases of hard combinatorial optimization problems
  • Network flow problems
  • Computational complexity theory
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PUBLICATIONS

PUBLICATION LIST

2019

Lendl, Stefan; Ćustić, Ante; Punnen, Abraham P

Combinatorial optimization with interaction costs: Complexity and solvable cases Journal Article

Discrete Optimization, 33 , pp. 101-117, 2019.

Abstract | Links | BibTeX

Lendl, Stefan; Peis, Britta; Timmermans, Veerle

Matroid Bases with Cardinality Constraints on the Intersection Online

2019.

Abstract | Links | BibTeX

Lachmann, Thomas; Lendl, Stefan

Efficient Algorithms for the Recoverable (Robust) Selection Problem Unpublished Forthcoming

Forthcoming.

Abstract | BibTeX

Grigoriev, Alexander; Hartmann, Tim A; Lendl, Stefan; Woeginger, Gerhard J

Dispersing obnoxious facilities on a graph Conference

36th International Symposium on Theoretical Aspects of Computer Science (STACS 2019), 2019.

Abstract | Links | BibTeX

2018

Alese, Leonardo; Lendl, Stefan; Tabatabai, Paul

On sequences covering all rainbow k-progressions Journal Article

Journal of Combinatorics, 9 (4), pp. 739 – 745, 2018.

Abstract | Links | BibTeX

Ćustić, Ante; Lendl, Stefan

Streaming Algorithms for the Steiner Cycle and Path Cover Problem on Interval Graphs Online

2018.

Abstract | Links | BibTeX

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RESEARCH

RESEARCH PROJECTS
Theory

Robust Discrete Optimization

Robust Discrete Optimization

About The Project
TODO: project description
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RESUME

EDUCATION
  • 2015
    NOW
    Graz

    Doctoral Progam: Discrete Mathematics

    Graz University of Technology

    Supervisor: Bettina Klinz Project: Structural investigations on combinatorial optimisation problems
  • 2014
    2015
    Graz

    Master Program: Technical Mathematics: Operations Research and Statistics

    Graz University of Technology

  • 2010
    2014
    Graz

    Bachelor Program: Technical Mathematics

    Graz University of Technology

  • 2006
    2010
    Pinkafeld

    EDV und Organisation (Computer Science and Business Administration)

    HTBLuVA Pinkafeld

ACADEMIC AND PROFESSIONAL POSITIONS
  • 2015
    NOW
    Graz

    Doctoral position

    Institute of Discrete Mathematics, Graz University of Technology

  • 2009
    2015
    Gamlitz/Graz

    Software Developer

    WebAgentur Körbler

    Development of web applications; part-time for some periods
HONORS AND AWARDS
  • 2018
    Graz

    Winning team at the Green Tech Jam 2018

    E-Charge+ (Leonardo Alese, Roberto Lerche, Stefan Lendl, Ciril Wakounig)

    Concept and prototype of a routing app for e-charging stations of Energie Graz including a gamification concept.
  • 2016
    Vienna

    ÖGOR Diplomarbeitenpreis für Operations Research

    ÖGOR

    Price for the best master thesis of the Austrian Society of Operations Research.
  • 2008
    Cairo

    Contestant at the IOI (International Olympiad in Informatics)

    representing Austria

    Qualified with a 4th place at the Austrian national competition.
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TALKS

Talk List
  • Combinatorial Optimization with Interaction Costs
    at Joint EURO/ORSC/ECCO Conference 2017 on Combinatorial Optimization, Koper, Slovenia
    May 3-6, 2017
  • Time-Expanded Combinatorial Optimization Problems
    at 20th Workshop on Future Research in Combinatorial Optimization – FRICO 2016, University of Osnabrück, Germany
    August 2-5, 2016
  • The Timetabling Problem at the Campus 02 University of Applied Sciences
    at 6th Workshop on Young Academics‘ Management Science– YAMS
    November 27, 2015
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TEACHING

CURRENT
  • 2019
    NOW
    Graz

    Optimierung 1 (Optimization 1)

    TU Graz

    lecture unit about modelling with AMPL; exercise units for a 2nd year bachelor course about the basics of optimization; taught multiple times
TEACHING HISTORY
  • 2014
    2015
    Graz

    Operations Research

    FH Campus 02

    Teaching parts of the Operations Research course
  • 2013
    2015
    Graz

    Mathematics for Mechanical/Electrical Engineering

    Graz University of Technology

    Exercise units for first and second year mechanical engineering students; taught multiple times
  • 2012
    2014
    Graz

    Data Structures and Algorithms

    Graz University of Technology

    Exercise units for second year computer science students; taught multiple times
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CONTACT

Drop me a line

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