![](/images/team/eliaswirth.jpg)
Elias Wirth
I am mainly interested in convex optimization and the Frank-Wolfe algorithm, in particular. I have worked on approximate vanishing ideals, bandits, accelerated algorithms, PageRank, and the sum of squares hierarchy.
📬 Contact
- office
- Room 3106 at ZIB
- wirth (at) zib.de
- homepage
- wirthelias.com
- languages
- English and German
🎓 Curriculum vitae
- 2020 to 2024
- Researcher at TUB
- Mar 2020
- M.Sc. in Mathematics at ETH-Z
- Jul 2018
- B.Sc. in Mathematics at Uni Bern
đź“ť Publications and preprints
Preprints
- Wirth, E., Pena, J., and Pokutta, S. (2024). Fast Convergence of Frank-Wolfe Algorithms on Polytopes.
[arXiv]
[BibTeX]
@misc{FastFWPolytope2024, archiveprefix = {arXiv}, eprint = {2406.18789}, primaryclass = {math.OC}, year = {2024}, author = {Wirth, Elias and Pena, Javier and Pokutta, Sebastian}, title = {Fast Convergence of Frank-Wolfe Algorithms on Polytopes} }
- Wirth, E., Besançon, M., and Pokutta, S. (2024). The Pivoting Framework: Frank-Wolfe Algorithms with Active Set Size Control.
[arXiv]
[BibTeX]
@misc{pivotingFW2024, archiveprefix = {arXiv}, eprint = {2407.11760}, primaryclass = {math.OC}, year = {2024}, author = {Wirth, Elias and Besançon, Mathieu and Pokutta, Sebastian}, title = {The Pivoting Framework: Frank-Wolfe Algorithms with Active Set Size Control} }
- Wirth, E., Pena, J., and Pokutta, S. (2023). Accelerated Affine-invariant Convergence Rates of the Frank-Wolfe Algorithm with Open-loop Step-sizes.
[arXiv]
[BibTeX]
@misc{FWopenLoopAccelerate2023, archiveprefix = {arXiv}, eprint = {2310.04096}, primaryclass = {math.OC}, year = {2023}, author = {Wirth, Elias and Pena, Javier and Pokutta, Sebastian}, title = {Accelerated Affine-invariant Convergence Rates of the Frank-Wolfe Algorithm with Open-loop Step-sizes} }
- Roux, C., Wirth, E., Pokutta, S., and Kerdreux, T. (2021). Efficient Online-bandit Strategies for Minimax Learning Problems.
[arXiv]
[BibTeX]
@misc{online.bandit-minimax_2021, archiveprefix = {arXiv}, eprint = {2105.13939}, primaryclass = {cs.LG}, year = {2021}, author = {Roux, Christophe and Wirth, Elias and Pokutta, Sebastian and Kerdreux, Thomas}, title = {Efficient Online-bandit Strategies for Minimax Learning Problems} }
Conference proceedings
- MartĂnez-Rubio, D., Wirth, E., and Pokutta, S. (2023). Accelerated and Sparse Algorithms for Approximate Personalized PageRank and Beyond. Proceedings of Annual Conference on Learning Theory.
[arXiv]
[BibTeX]
@inproceedings{mwp_accelerated_sparse_pagerank_23, year = {2023}, booktitle = {Proceedings of Annual Conference on Learning Theory}, archiveprefix = {arXiv}, eprint = {2303.12875}, primaryclass = {math.OC}, author = {MartĂnez-Rubio, David and Wirth, Elias and Pokutta, Sebastian}, title = {Accelerated and Sparse Algorithms for Approximate Personalized PageRank and Beyond} }
- Wirth, E., Kerdreux, T., and Pokutta, S. (2023). Acceleration of Frank-Wolfe Algorithms with Open Loop Step-sizes. Proceedings of International Conference on Artificial Intelligence and Statistics.
[arXiv]
[BibTeX]
@inproceedings{wkp_openloop_22, year = {2023}, booktitle = {Proceedings of International Conference on Artificial Intelligence and Statistics}, archiveprefix = {arXiv}, eprint = {2205.12838}, primaryclass = {math.OC}, author = {Wirth, Elias and Kerdreux, Thomas and Pokutta, Sebastian}, title = {Acceleration of Frank-Wolfe Algorithms with Open Loop Step-sizes} }
- Wirth, E., Kera, H., and Pokutta, S. (2023). Approximate Vanishing Ideal Computations at Scale. Proceedings of International Conference on Learning Representations.
[arXiv]
[slides]
[BibTeX]
@inproceedings{wkp_vanishingideal_22, year = {2023}, booktitle = {Proceedings of International Conference on Learning Representations}, archiveprefix = {arXiv}, eprint = {2207.01236}, primaryclass = {cs.LG}, author = {Wirth, Elias and Kera, Hiroshi and Pokutta, Sebastian}, title = {Approximate Vanishing Ideal Computations at Scale}, slides = {https://pokutta.com/slides/20220915_avi_at_scale.pdf} }
- Wirth, E., and Pokutta, S. (2022). Conditional Gradients for the Approximately Vanishing Ideal. Proceedings of International Conference on Artificial Intelligence and Statistics.
[arXiv]
[summary]
[poster]
[code]
[BibTeX]
@inproceedings{wp_approxvanideal_22, year = {2022}, booktitle = {Proceedings of International Conference on Artificial Intelligence and Statistics}, archiveprefix = {arXiv}, eprint = {2202.03349}, primaryclass = {cs.LG}, author = {Wirth, Elias and Pokutta, Sebastian}, title = {Conditional Gradients for the Approximately Vanishing Ideal}, code = {https://github.com/ZIB-IOL/cgavi/}, poster = {https://pokutta.com/slides/20220223_CGAVI_poster.pdf}, summary = {https://pokutta.com/blog/research/2022/02/20/CGAVI.html} }
👨‍🏫Teaching
- winter 2023
- Assistant for
EinfĂĽhrung in die Lineare und Kombinatorische Optimierung (ADM I) at TUB - summer 2022
- Organizer for
Discrete Optimization and Machine Learning Seminar at TUB - summer 2022
- Assistant for Differentialgleichungen fĂĽr Ingenieure at TUB
- winter 2021
- Organizer for Discrete Optimization and Machine Learning Seminar at TUB
- winter 2021
- Assistant for Analysis I at TUB
- summer 2021
- Organizer for Discrete Optimization and Machine Learning Seminar at TUB
- summer 2021
- Assistant for Differentialgleichungen fĂĽr Ingenieure at TUB
- winter 2020
- Organizer for Discrete Optimization and Machine Learning Seminar at TUB
- winter 2020
- Assistant for Analysis und Lineare Algebra at TUB
- winter 2019
- Assistant for Diskrete Mathematik at ETH-Z
- summer 2018
- Assistant for Kombinatorik at Uni Bern
- winter 2017
- Assistant for Statistik fĂĽr Sportwissenschaften at Uni Bern
- summer 2017
- Assistant for Kombinatorik at Uni Bern