Publications

2025

  1. arXiv
    Toward Optimal Approximations for Resource-Minimization for Fire Containment on Trees and Non-Uniform k-Center
    Jannis Blauth, Christian Nöbel, and Rico Zenklusen
    arXiv, 2025
  2. arXiv
    A Constant-Factor Approximation for Directed Latency
    Jannis Blauth, and Ramin Mousavi
    arXiv, 2025
  3. Math. Programming
    A better-than-1.6-approximation for prize-collecting TSP
    Jannis Blauth, Nathan Klein, and Martin Nägele
    Mathematical Programming, 2025

2024

  1. Discrete Optimization
    Vehicle routing with time-dependent travel times: Theory, practice, and benchmarks
    Jannis Blauth, Stephan Held, Dirk Müller, Niklas Schlomberg, Vera Traub, Thorben Tröbst, and Jens Vygen
    Discrete Optimization, 2024
  2. IPCO ’24
    A better-than-1.6-approximation for prize-collecting TSP
    Jannis Blauth, Nathan Klein, and Martin Nägele
    In Proceedings of the 25th Conference on Integer Programming and Combinatorial Optimization (IPCO ’24), 2024
  3. ORL
    Cost allocation for set covering: The happy nucleolus
    Jannis Blauth, Antonia Ellerbrock, Vera Traub, and Jens Vygen
    Operations Research Letters, 2024
  4. MOOR
    Improved Guarantees for the A Priori TSP
    Jannis Blauth, Meike Neuwohner, Luise Puhlmann, and Jens Vygen
    Mathematics of Operations Research, 2024

2023

  1. STOC ’23
    An improved approximation guarantee for prize-collecting TSP
    Jannis Blauth, and Martin Nägele
    In Proceedings of the 55th Annual ACM Symposium on Theory of Computing (STOC ’23), 2023
  2. Math. Programming
    Improving the approximation ratio for capacitated vehicle routing
    Jannis Blauth, Vera Traub, and Jens Vygen
    Mathematical Programming, 2023
  3. ISAAC ’23
    Improved Guarantees for the a Priori TSP
    Jannis Blauth, Meike Neuwohner, Luise Puhlmann, and Jens Vygen
    In Proceedings of the 34th International Symposium on Algorithms and Computation (ISAAC ’23), 2023

2021

  1. IPCO ’21
    Improving the approximation ratio for capacitated vehicle routing
    Jannis Blauth, Vera Traub, and Jens Vygen
    In Proceedings of the 22nd Conference on Integer Programming and Combinatorial Optimization (IPCO ’21), 2021