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Dr. Lionel Tondji

Research Assistant AG Inverse Problems and Imaging

Room: MZH 5440
Email: tondji@uni-bremen.de
Phone: (0421) 218-63986
ORCID iD:  0000-0001-9992-9466

Projects

  1. Training Data Driven Experts in Optimization (01.06.2020 - 01.12.2024)

Courses (Selection)complete list

  1. Selected Topics on Optimization for Machine Learning (Sommersemester 2024)

Publications (Selection)complete list

  1. L. Tondji, I. Necoara, D. Lorenz.
    Acceleration and restart for the randomized Bregman-Kaczmarz method.
    Linear Algebra and its Applications, 699:508-538, 2024.

    DOI: 10.1016/j.laa.2024.07.009
    online at: https://arxiv.org/abs/2310.17338

  2. L. Tondji, I. Tondji, D. Lorenz.
    Adaptive Bregman-Kaczmarz: An approach to solve linear inverse problems with independent noise exactly.
    Inverse Problems, 40(9), 095006, IOPscience, 2024.

    DOI: 10.1088/1361-6420/ad5fb1
    online at: https://arxiv.org/abs/2309.06186

  3. L. Tondji.
    Advances in Bregman-Kaczmarz Methods: Accelerations and Inconsistency.
    Dissertationsschrift, TU Braunschweig, 2024.
  4. D. Lorenz, F. Schneppe, L. Tondji.
    Linearly convergent adjoint free solution of least squares problems by random descent.
    Inverse Problems, 39(12), 125019, 2023.

    DOI: 10.1088/1361-6420/ad08ed
    online at: https://arxiv.org/abs/2306.01946

  5. L. Tondji, D. Lorenz, I. Necoara.
    An accelerated randomized Bregman-Kaczmarz method for strongly convex linearly constraint optimization.
    2023 European Control Conference (ECC).

    DOI: 10.23919/ECC57647.2023.10178390