publications

2026

1. Unsplittable Transshipments

   Srinwanti Debgupta, Sarah Morell, and Martin Skutella

   arXiv preprint arXiv:2602.07230, 2026

   DOI Bib

   @article{debgupta_et_al_2026,
     title = {Unsplittable Transshipments},
     author = {Debgupta, Srinwanti and Morell, Sarah and Skutella, Martin},
     journal = {arXiv preprint arXiv:2602.07230},
     year = {2026},
     doi = {10.48550/arXiv.2602.07230}
   }

2025

1. Flow-based problem solving in combinatorial optimization

   Sarah Morell

   2025

   DOI Bib

   @book{morell_thesis_2025,
     title = {Flow-based problem solving in combinatorial optimization},
     author = {Morell, Sarah},
     year = {2025},
     publisher = {Technische Universitaet Berlin (Germany)},
     doi = {10.14279/depositonce-23756}
   }

2. The Submodular Santa Claus Problem

   Étienne Bamas, Sarah Morell, and Lars Rohwedder

   In Proceedings of the 2025 ACM-SIAM Symposium on Discrete Algorithms (SODA), 2025

   DOI Bib

   @inproceedings{bamas_et_al_2025,
     title = {The Submodular Santa Claus Problem},
     author = {Bamas, {\'E}tienne and Morell, Sarah and Rohwedder, Lars},
     booktitle = {Proceedings of the 2025 ACM-SIAM Symposium on Discrete Algorithms (SODA)},
     pages = {616--640},
     year = {2025},
     organization = {SIAM},
     doi = {10.1137/1.9781611978322.19}
   }

2022

1. Single source unsplittable flows with arc-wise lower and upper bounds

   Sarah Morell and Martin Skutella

   Mathematical Programming, 2022

   DOI Bib

   @article{morell_skutella_2022,
     author = {Morell, Sarah and Skutella, Martin},
     journal = {Mathematical Programming},
     title = {Single source unsplittable flows with arc-wise lower and upper bounds},
     pages = {477--496},
     year = {2022},
     volume = {192},
     number = {1},
     doi = {10.1007/s10107-021-01704-4}
   }

2021

1. Minimum-cost integer circulations in given homology classes

   Sarah Morell, Ina Seidel, and Stefan Weltge

   In Proceedings of the 2021 ACM-SIAM Symposium on Discrete Algorithms (SODA), 2021

   DOI Bib

   @inproceedings{morell_et_al_2021,
     title = {Minimum-cost integer circulations in given homology classes},
     author = {Morell, Sarah and Seidel, Ina and Weltge, Stefan},
     booktitle = {Proceedings of the 2021 ACM-SIAM Symposium on Discrete Algorithms (SODA)},
     pages = {2725--2739},
     year = {2021},
     organization = {SIAM},
     doi = {10.1137/1.9781611976465.162}
   }

2018

1. Diversity Maximization in Doubling Metrics

   Alfonso Cevallos, Friedrich Eisenbrand, and Sarah Morell

   In 29th International Symposium on Algorithms and Computation (ISAAC 2018), 2018

   DOI Bib

   @inproceedings{cevallos_et_al_2018,
     title = {Diversity Maximization in Doubling Metrics},
     author = {Cevallos, Alfonso and Eisenbrand, Friedrich and Morell, Sarah},
     booktitle = {29th International Symposium on Algorithms and Computation (ISAAC 2018)},
     pages = {33--1},
     year = {2018},
     organization = {Schloss Dagstuhl--Leibniz-Zentrum f{\"u}r Informatik},
     doi = {10.4230/LIPIcs.ISAAC.2018.33}
   }