Sébastien Designolle

My current main interests are how to use first-order methods for quantum information problems, be it Bell nonlocality or entanglement, but also giant SDP instances arising in this field.

📬 Contact

office
Room 3107 at ZIB
e-mail
homepage
sebastiendesignolle.github.io/academic-website/
languages
French, English, and German

🎓 Curriculum vitae

since 2022
Researcher at ZIB
Oct 2021
Ph.D. in Quantum Nonlocality at University of Geneva
Jul 2017
M.Sc. in Quantum Physics at ENS
Aug 2016
M.Sc. in Physics at École polytechnique

📝 Publications and preprints

Preprints

  1. Besançon, M., Designolle, S., Halbey, J., Hendrych, D., Kuzinowicz, D., Pokutta, S., Troppens, H., Viladrich, D., and Wirth, E. (2025). Improved Algorithms and Novel Applications of the FrankWolfe.jl Library. [arXiv]
    [BibTeX]
    @misc{2025_BesanconEtAl_Frankwolfelibrary,
      archiveprefix = {arXiv},
      eprint = {2501.14613},
      primaryclass = {math.OC},
      year = {2025},
      author = {Besançon, Mathieu and Designolle, Sébastien and Halbey, Jannis and Hendrych, Deborah and Kuzinowicz, Dominik and Pokutta, Sebastian and Troppens, Hannah and Viladrich, Daniel and Wirth, Elias},
      title = {Improved Algorithms and Novel Applications of the FrankWolfe.jl Library},
      date = {2025-01-24}
    }
  2. Designolle, S., Vértesi, T., and Pokutta, S. (2024). Better Bounds on Grothendieck Constants of Finite Orders. [arXiv]
    [BibTeX]
    @misc{2023_DesignolleVertesiPokutta_Grothendieckconstants,
      archiveprefix = {arXiv},
      eprint = {2409.03739},
      primaryclass = {math.OC},
      year = {2024},
      author = {Designolle, Sébastien and Vértesi, Tamás and Pokutta, Sebastian},
      title = {Better Bounds on Grothendieck Constants of Finite Orders},
      date = {2024-09-05}
    }
  3. Ioannou, M., Sekatski, P., Designolle, S., Jones, B. D. M., Uola, R., and Brunner, N. (2022). Simulability of High-dimensional Quantum Measurements. [arXiv]
    [BibTeX]
    @misc{2022_IoannouEtAl_Simulabilityquantummeasurements,
      archiveprefix = {arXiv},
      eprint = {2202.12980},
      primaryclass = {quant-ph},
      year = {2022},
      author = {Ioannou, Marie and Sekatski, Pavel and Designolle, Sébastien and Jones, Benjamin D. M. and Uola, Roope and Brunner, Nicolas},
      title = {Simulability of High-dimensional Quantum Measurements},
      date = {2022-02-25}
    }
  4. Srivastav, V., Herrera Valencia, N., McCutcheon, W., Leedumrongwatthanakun, S., Designolle, S., Uola, R., Brunner, N., and Malik, M. (2022). Noise-Robust and Loss-Tolerant Quantum Steering with Qudits. [arXiv]
    [BibTeX]
    @misc{2022_SrivastavEtAl_Noiserobustqudits,
      archiveprefix = {arXiv},
      eprint = {2202.09294},
      primaryclass = {quant-ph},
      year = {2022},
      author = {Srivastav, Vatshal and Herrera Valencia, Natalia and McCutcheon, Will and Leedumrongwatthanakun, Saroch and Designolle, Sébastien and Uola, Roope and Brunner, Nicolas and Malik, Mehul},
      title = {Noise-Robust and Loss-Tolerant Quantum Steering with Qudits},
      date = {2022-02-18}
    }
  5. Designolle, S. (2021). Robust Genuine High-dimensional Steering with Many Measurements. [arXiv]
    [BibTeX]
    @misc{2021_Designolle_Highdimensionalsteering,
      archiveprefix = {arXiv},
      eprint = {2110.14435},
      primaryclass = {quant-ph},
      year = {2021},
      author = {Designolle, Sébastien},
      title = {Robust Genuine High-dimensional Steering with Many Measurements},
      date = {2021-10-27}
    }
  6. Alikhani, P., Brunner, N., Crépeau, C., Designolle, S., Houlmann, R., Shi, W., Yang, N., and Zbinden, H. (2020). Experimental Relativistic Zero-knowledge Proofs. [arXiv]
    [BibTeX]
    @misc{2020_AlikhaniEtAl_Relativisticzeroknowledge,
      archiveprefix = {arXiv},
      eprint = {2012.10452},
      primaryclass = {cs.CR},
      year = {2020},
      author = {Alikhani, Pouriya and Brunner, Nicolas and Crépeau, Claude and Designolle, Sébastien and Houlmann, Raphaël and Shi, Weixu and Yang, Nan and Zbinden, Hugo},
      title = {Experimental Relativistic Zero-knowledge Proofs},
      date = {2020-12-18}
    }
  7. Nguyen, H. C., Designolle, S., Barakat, M., and Gühne, O. (2020). Symmetries Between Measurements in Quantum Mechanics. [arXiv]
    [BibTeX]
    @misc{2020_ChauDesignolleBarakatGhne_Symmetryquantummeasurements,
      archiveprefix = {arXiv},
      eprint = {2003.12553},
      primaryclass = {quant-ph},
      year = {2020},
      author = {Nguyen, H. Chau and Designolle, Sébastien and Barakat, Mohamed and Gühne, Otfried},
      title = {Symmetries Between Measurements in Quantum Mechanics},
      date = {2020-03-27}
    }
  8. Designolle, S., Srivastav, V., Uola, R., Herrera Valencia, N., McCutcheon, W., Malik, M., and Brunner, N. (2020). Genuine High-dimensional Quantum Steering. [arXiv]
    [BibTeX]
    @misc{2020_DesignolleEtAl_Highdimensionalsteering,
      archiveprefix = {arXiv},
      eprint = {2007.02718},
      primaryclass = {quant-ph},
      year = {2020},
      author = {Designolle, Sébastien and Srivastav, Vatshal and Uola, Roope and Herrera Valencia, Natalia and McCutcheon, Will and Malik, Mehul and Brunner, Nicolas},
      title = {Genuine High-dimensional Quantum Steering},
      date = {2020-07-06}
    }
  9. Designolle, S., Uola, R., Luoma, K., and Brunner, N. (2020). Set Coherence: Basis-independent Quantification of Quantum Coherence. [arXiv]
    [BibTeX]
    @misc{2020_DesignolleUolaLuomaBrunner_Setcoherence,
      archiveprefix = {arXiv},
      eprint = {2010.10406},
      primaryclass = {quant-ph},
      year = {2020},
      author = {Designolle, Sébastien and Uola, Roope and Luoma, Kimmo and Brunner, Nicolas},
      title = {Set Coherence: Basis-independent Quantification of Quantum Coherence},
      date = {2020-10-20}
    }
  10. Kraft, T., Designolle, S., Ritz, C., Brunner, N., Gühne, O., and Huber, M. (2020). Quantum Entanglement in the Triangle Network. [arXiv]
    [BibTeX]
    @misc{2020_KraftEtAl_Quantumentanglementtriangle,
      archiveprefix = {arXiv},
      eprint = {2002.03970},
      primaryclass = {quant-ph},
      year = {2020},
      author = {Kraft, Tristan and Designolle, Sébastien and Ritz, Christina and Brunner, Nicolas and Gühne, Otfried and Huber, Marcus},
      title = {Quantum Entanglement in the Triangle Network},
      date = {2020-02-10}
    }
  11. Uola, R., Kraft, T., Designolle, S., Miklin, N., Tavakoli, A., Pellonpää, J.-P., Gühne, O., and Brunner, N. (2020). Quantum Measurement Incompatibility in Subspaces. [arXiv]
    [BibTeX]
    @misc{2020_UolaEtAl_Measurementincompatibility,
      archiveprefix = {arXiv},
      eprint = {2010.04048},
      primaryclass = {quant-ph},
      year = {2020},
      author = {Uola, Roope and Kraft, Tristan and Designolle, Sébastien and Miklin, Nikolai and Tavakoli, Armin and Pellonpää, Juha-Pekka and Gühne, Otfried and Brunner, Nicolas},
      title = {Quantum Measurement Incompatibility in Subspaces},
      date = {2020-10-08}
    }
  12. Designolle, S., Farkas, M., and Kaniewski, J. (2019). Incompatibility Robustness of Quantum Measurements: a Unified Framework. [arXiv]
    [BibTeX]
    @misc{2019_DesignolleFarkasKaniewski_Incompatibilityrobustness,
      archiveprefix = {arXiv},
      eprint = {1906.00448},
      primaryclass = {quant-ph},
      year = {2019},
      author = {Designolle, Sébastien and Farkas, Máté and Kaniewski, Jędrzej},
      title = {Incompatibility Robustness of Quantum Measurements: a Unified Framework},
      date = {2019-06-02}
    }
  13. Designolle, S., Skrzypczyk, P., Fröwis, F., and Brunner, N. (2018). Quantifying Measurement Incompatibility of Mutually Unbiased Bases. [arXiv]
    [BibTeX]
    @misc{2018_DesignolleSkrzypczykFrwisBrunner_MeasurementincompatibilityMub,
      archiveprefix = {arXiv},
      eprint = {1805.09609},
      primaryclass = {quant-ph},
      year = {2018},
      author = {Designolle, Sébastien and Skrzypczyk, Paul and Fröwis, Florian and Brunner, Nicolas},
      title = {Quantifying Measurement Incompatibility of Mutually Unbiased Bases},
      date = {2018-05-24}
    }
  14. Fillettaz, M., Hirsch, F., Designolle, S., and Brunner, N. (2018). Algorithmic Construction of Local Models for Entangled Quantum States: Optimization for Two-qubit States. [arXiv]
    [BibTeX]
    @misc{2018_FillettazHirschDesignolleBrunner_Localmodelsoptimization,
      archiveprefix = {arXiv},
      eprint = {1804.07576},
      primaryclass = {quant-ph},
      year = {2018},
      author = {Fillettaz, Mathieu and Hirsch, Flavien and Designolle, Sébastien and Brunner, Nicolas},
      title = {Algorithmic Construction of Local Models for Entangled Quantum States: Optimization for Two-qubit States},
      date = {2018-04-20}
    }
  15. Shenoy H, A., Designolle, S., Hirsch, F., Silva, R., Gisin, N., and Brunner, N. (2018). Unbounded Sequence of Observers Exhibiting Einstein-Podolsky-Rosen Steering. [arXiv]
    [BibTeX]
    @misc{2018_ShenoyEtAl_Eprsteering,
      archiveprefix = {arXiv},
      eprint = {1810.06523},
      primaryclass = {quant-ph},
      year = {2018},
      author = {Shenoy H, Akshata and Designolle, Sébastien and Hirsch, Flavien and Silva, Ralph and Gisin, Nicolas and Brunner, Nicolas},
      title = {Unbounded Sequence of Observers Exhibiting Einstein-Podolsky-Rosen Steering},
      date = {2018-10-15}
    }
  16. Designolle, S., Giraud, O., and Martin, J. (2017). Genuinely Entangled Symmetric States with No N-partite Correlations. [arXiv]
    [BibTeX]
    @misc{2017_DesignolleGiraudMartin_Entangledstates,
      archiveprefix = {arXiv},
      eprint = {1707.04103},
      primaryclass = {quant-ph},
      year = {2017},
      author = {Designolle, Sébastien and Giraud, O. and Martin, J.},
      title = {Genuinely Entangled Symmetric States with No $N$-partite Correlations},
      date = {2017-07-13}
    }
  17. Martin, A., Guerreiro, T., Tiranov, A., Designolle, S., Fröwis, F., Brunner, N., Huber, M., and Gisin, N. (2017). Quantifying Photonic High-dimensional Entanglement. [arXiv]
    [BibTeX]
    @misc{2017_MartinEtAl_Highdimensionalentanglement,
      archiveprefix = {arXiv},
      eprint = {1701.03269},
      primaryclass = {quant-ph},
      year = {2017},
      author = {Martin, Anthony and Guerreiro, Thiago and Tiranov, Alexey and Designolle, Sébastien and Fröwis, Florian and Brunner, Nicolas and Huber, Marcus and Gisin, Nicolas},
      title = {Quantifying Photonic High-dimensional Entanglement},
      date = {2017-01-12}
    }
  18. Tiranov, A., Designolle, S., Zambrini Cruzeiro, E., Lavoie, J., Brunner, N., Afzelius, M., Huber, M., and Gisin, N. (2016). Quantification of Multidimensional Entanglement Stored in a Crystal. [arXiv]
    [BibTeX]
    @misc{2016_TiranovEtAl_Multidimensionalentanglement,
      archiveprefix = {arXiv},
      eprint = {1609.05033},
      primaryclass = {quant-ph},
      year = {2016},
      author = {Tiranov, Alexey and Designolle, Sébastien and Zambrini Cruzeiro, Emmanuel and Lavoie, Jonathan and Brunner, Nicolas and Afzelius, Mikael and Huber, Marcus and Gisin, Nicolas},
      title = {Quantification of Multidimensional Entanglement Stored in a Crystal},
      date = {2016-09-16}
    }

Full articles

  1. Designolle, S., Vértesi, T., and Pokutta, S. (2023). Symmetric Multipartite Bell Inequalities Via Frank-Wolfe Algorithms. Physics Review A. [arXiv]
    [BibTeX]
    @article{2024_DesignolleVertesiPokutta_SymmetricBellinequalities,
      year = {2024},
      journal = {Physics Review A},
      archiveprefix = {arXiv},
      eprint = {2310.20677},
      primaryclass = {quant-ph},
      author = {Designolle, Sébastien and Vértesi, Tamás and Pokutta, Sebastian},
      title = {Symmetric Multipartite Bell Inequalities Via Frank-Wolfe Algorithms},
      date = {2023-10-31}
    }
  2. Designolle, S., Iommazzo, G., Besançon, M., Knebel, S., Gelß, P., and Pokutta, S. (2023). Improved Local Models and New Bell Inequalities Via Frank-Wolfe Algorithms. Physical Review Research, 5(4). DOI: 10.1103/PhysRevResearch.5.043059 [arXiv] [slides] [code]
    [BibTeX]
    @article{2023_DesignolleEtAl_LocalmodelsBellinequalities,
      year = {2023},
      journal = {Physical Review Research},
      month = oct,
      volume = {5},
      number = {4},
      doi = {10.1103/PhysRevResearch.5.043059},
      archiveprefix = {arXiv},
      eprint = {2302.04721},
      primaryclass = {quant-ph},
      author = {Designolle, Sébastien and Iommazzo, Gabriele and Besançon, Mathieu and Knebel, Sebastian and Gelß, Patrick and Pokutta, Sebastian},
      title = {Improved Local Models and New Bell Inequalities Via Frank-Wolfe Algorithms},
      code = {https://github.com/ZIB-IOL/BellPolytopes.jl},
      slides = {https://www.pokutta.com/slides/20230808-tokyo-bell.pdf},
      date = {2023-02-09}
    }

🔬 Projects

Entanglement Detection Via Frank-Wolfe Algorithms

We will apply a Frank-Wolfe-based approach for separability certification and entanglement detection of multipartite quantum states. The method will be further exploited to derive entanglement witnesses in the case, often encountered in experiments, of incomplete characterisation of the quantum state.

MATH+ AA2-19
Jan 2024 to Dec 2025
3
2

💬 Talks and posters

Conference and workshop talks

Jul 2024
Bell and Grothendieck Meet Frank-Wolfe
25th International Symposium on Mathematical Programming (ISMP), Montréal
Jun 2023
Improved Local Models and New Bell Inequalities
workshop on quantum computation and optimization, Berlin
Mar 2023
Improved Local Models and New Bell Inequalities Via Frank-Wolfe Algorithms
15th annual meeting photonic devices, Berlin

Research seminar talks

Dec 2024
What Are the Most Incompatible Quantum Measurements?
QINFO seminar, Lyon
Nov 2024
Bell and Grothendieck Meet Frank-Wolfe
ICFO seminar, Castelldefels
Nov 2024
Bell and Grothendieck Meet Frank-Wolfe
Valladolid seminar, Valladolid
Nov 2024
What Are the Most Incompatible Quantum Measurements?
IT seminar, Lisbon
Oct 2024
Bell and Grothendieck Meet Frank-Wolfe
quantum information & quantum computing working group seminar, Warsaw
Nov 2023
Frank-Wolfe Algorithms for Bell Nonlocality
IRIF seminar, Paris
Nov 2023
Frank-Wolfe Algorithms for Bell Nonlocality
QAT seminar, Paris
Nov 2023
Frank-Wolfe Algorithms for Bell Nonlocality
SIERRA seminar, Paris
Nov 2023
Frank-Wolfe Algorithms for Bell Nonlocality
PhiQus seminar, Palaiseau
Nov 2023
Frank-Wolfe Algorithms for Bell Nonlocality
LIP6 seminar, Paris
Oct 2023
Frank-Wolfe Algorithms for Bell Nonlocality
QINFO seminar, Lyon
Mar 2023
Improved Local Models and New Bell Inequalities Via Frank-Wolfe Algorithms
JQIT seminar, Krakow
Feb 2023
Improved Local Models and New Bell Inequalities Via Frank-Wolfe Algorithms
Atomki seminar, Debrecen
Feb 2023
Improved Local Models and New Bell Inequalities Via Frank-Wolfe Algorithms
IQOQI seminar, Vienna
Aug 2022
Semidefinite Programming and Incompatibility of Quantum Measurements
AISST seminar, Berlin

📅 Event Attendance