Research Areas

  • Quantum Optimization
  • Quantum Artificial Intelligence
  • Quantum Applications

Thesis Supervision

  • David Fersing, Jonas Nüßlein, Jonas Stein, and Claudia Linnhoff-Popien, "Formulation of the free-flow problem as a Quadratic Unconstrained Binary Optimization", Bachelor's Thesis
  • Markus Baumann, Tobias Rohe, Jonas Stein, and Claudia Linnhoff-Popien, "Optimizing Parameterized Quantum Hamiltonians via Implicit Differentiation", Master's Thesis

  • Shanice Ehioghiren, Maximilian Zorn, Jonas Stein, and Claudia Linnhoff-Popien, "Evaluation of Optimization Factors in Quantum Algorithms for Train Rerouting", Bachelor's Thesis
  • Markus Baumann, Jonas Stein, Tobias Rohe, and Claudia Linnhoff-Popien, "Sampling the Unseen: Holdout Recovery under Band-Limited Parity Constraints", Research Internship
  • Alexander Kovacs, Michael Poppel, Jonas Stein, and Claudia Linnhoff-Popien, "Empirical Evaluation of Quantum Circuit Ansatz Design Effects for Supervised Learning", Bachelor's Thesis
  • Joel Furtak, Jonas Stein, Michael Kölle, and Claudia Linnhoff-Popien, "Exploring the Practical Application of Quantum-Native Self-Attention for Quantum Vision Transformers", Master's Thesis
  • Tim Henningner, Leo Sünkel, Jonas Stein, and Claudia Linnhoff-Popien, "Anwendbarkeit von QAOA auf die Minimierung der Teleportationskosten im verteilten Quantencomputing", Bachelor's Thesis
  • Mark Seebode, Jonas Stein, Daniëlle Schuman, and Claudia Linnhoff-Popien, "An Empricial Evaluation of Quantum Annealing-Based Image Classification Using Discriminative Quantum Boltzmann Machines", Bachelor’s Thesis
  • Simon Hehnen, Michael Kölle, Jonas Stein, and Claudia Linnhoff-Popien, "Determining Semantic Links in Product Data Using Quantum Restricted Boltzmann Machines", Master’s Thesis
  • Alexander Feist, Michael Kölle, Jonas Stein, and Claudia Linnhoff-Popien, "Evaluating Parameter-Based Training Performance of Neural Networks and Variational Quantum Circuits", Bachelor’s Thesis
  • Carlotta von L’Estocq, Jonas Stein, and Claudia Linnhoff-Popien, "Leveraging Preconditioning to speed up quantum simulation-based optimization", Bachelor’s Thesis
  • Viktoria Patapovich, Jonas Stein, and Claudia Linnhoff-Popien, "Space-Efficient Quantum Optimization for the Traveling Salesman Problem via Binary Encoding of Feasible Solutions", Master’s Thesis
  • Federico Harjes Ruiloba, Tobias Rohe, Jonas Stein, and Claudia Linnhoff-Popien, "Neural Encoded VQEs for Combinatorial Optimization Problems", Bachelor’s Thesis
  • Jonathan Wulf, Jonas Stein, Maximilian Zorn, and Claudia Linnhoff-Popien, "State Preparation on Quantum Hardware Using an Island Genetic Algorithm", Master’s Thesis
  • Sabrina Egger, Jonas Stein, and Claudia Linnhoff-Popien, "Applying parameterized Quantum Walks in Reinforcement Learning", Master’s Thesis
  • Het Dave, Arnold Unterauer, Jonas Stein, and Claudia Linnhoff-Popien, "Explainable Time Series Forecasting using exogenous variables – How weather affects the stock market", Bachelor’s Thesis
  • David Fischer, Jonas Stein, Philipp Altmann, Dirk André Deckert, and Claudia Linnhoff-Popien, "A Path Towards Quantum Advantage for the Unit Commitment Problem", Bachelor’s Thesis
  • Jonas Blenninger, Jonas Stein, Maximilian Zorn, Peter Eder, and Claudia Linnhoff-Popien, "CUAOA: A Novel CUDA-Accelerated Simulation Framework for the Quantum Approximate Optimization Algorithm", Master’s Thesis
  • Jonathan Wulf, Jonas Stein, David Bucher, and Claudia Linnhoff-Popien, "Quantum Singular Value Transformation in Practice", Research Internship
  • Christopher Rieß, Jonas Stein, Michael Kölle, and Claudia Linnhoff-Popien, "Benchmarking Quantum Gaussian Processes", Research Internship
  • Jakob Mayer, Jonas Nüßlein, Jonas Stein, and Claudia Linnhoff-Popien, "Towards Efficient Arbitrage Detection: A Study on Quantum Algorithms", Bachelor’s Thesis
  • Nico Kraus, Jonas Stein, Jonas Nüßlein, and Claudia Linnhoff-Popien, "The Influence of Data Characteristics on the Efficacy of Forecasting Models", Research Internship
  • Constantin Economides, Jonas Stein, and Lode Pollet, "A Novel Quantum Circuit for Efficient Computation of Exponentially Large Weighted Sums in Variational Quantum Circuits", Master’s Thesis
  • Max Adler, Jonas Stein, Jonas Nüßlein, Nico Kraus, and Claudia Linnhoff-Popien, "Using Quantum Machine Learning to predict asset prices in financial markets", Master’s Thesis
  • Gerhard Stenzel, Michael Kölle, Jonas Stein, Andreas Sedlmeier, and Claudia Linnhoff-Popien, "Quantum-Enhanced Denoising Diffusion Model", Master’s Thesis
  • Vasily Bokov, Jonas Stein, Claudia Linnhoff-Popien, and Michael Wolf, "Exploring the suitability of efficient Quantum Kernels for exponential speedups", Master’s Thesis
  • Navid Roshani, Jonas Stein, and Lode Pollet, "Introducing sequential Hamiltonian assembly for training VQEs and its application in graph coloring", Masters’s Thesis
  • Dominik Ott, Jonas Stein, Jonas Nüßlein, and Claudia Linnhoff-Popien, "NISQ-ready community detection on weighted graphs using separation-node identification", Bachelor’s Thesis
  • Lorena Wemmer, Jonas Stein, Michael Kölle, Elena Van der Vorst, and Claudia Linnhoff-Popien, "Analyzing Reinforcement Learning strategies from a prameterized quantum walker", Bachelor’s Thesis
  • Anant Agnihotri, Jonas Stein, and Jeanette Lorenz, "Introducing Linear Entropy Based Community Detection", Master’s Thesis
  • Viktoryia Patapovich, Jonas Stein, Michael Kölle, Maximilian Balthasar Mansky, and Claudia Linnhoff-Popien, "Efficient quantum circuit architecture for coined quantum walks on many bipartite graphs", Bachelor’s Thesis
  • Ahmad Issa, Jonas Stein, Daniëlle Schuman, and Claudia Linnhoff-Popien, "Anomaly Detection using Quantum Circuit Born Machines", Bachelor’s Thesis
  • Ivo Christ, Jonas Stein, Robert Müller, and Claudia Linnhoff-Popien, "Investor sentiment analysis using classical and quantum algorithms", Master’s Thesis
  • Soren Little, Christoph Roch, Jonas Stein, and Claudia Linnhoff-Popien, "Structural Analysis of Graph Based Optimization Problems and their QUBO Formulations", Bachelor’s Thesis
  • David Münzer, Michael Kölle, Jonas Stein, and Claudia Linnhoff-Popien, "Data Embedding for efficient Quantum Machine Learning", Bachelor’s Thesis
  • Petros Stougiannidis, Jonas Stein, Sebastian Feld, and Claudia Linnhoff-Popien, "Introducing a space-efficient polynomial rotation circuit for bypassing traditional Quantum Arithmetic in NISQ-applications of HHL and beyond", Bachelor’s Thesis
  • Leopold Bodendörfer, Jonas Stein, Michael Kölle, and Claudia Linnhoff-Popien, "Efficient Data Embedding for offline Handwriting Recognition using Quantum Support Vector Machines", Bachelor’s Thesis
  • Johannes Kolb, Jonas Stein, Christoph Roch, and Claudia Linnhoff-Popien, "Comparing the performance of PUBO and QUBO based QAOA for continuous optimization problems", Bachelor’s Thesis
  • Tobias Rohe, Jonas Stein, Julian Hager, and Claudia Linnhoff-Popien, "Introducing a Hardware-efficient Layer-VQE based Ansatz", Bachelor’s Thesis
  • Franziska Wörle, Jonas Stein, Maximilian Mansky, Robert Müller, and Claudia Linnhoff-Popien, "Possibilities and limitations of Quantum Machine Translation: Adaption of the DisCoCat-Model for Question Answering in the Chinese Language", Bachelor’s Thesis
  • Jonathan Wulf, Jonas Stein, Michael Kölle, and Claudia Linnhoff-Popien, "Efficient embedding in Quantum Support Vector Machines using a specialized NISQ approach", Bachelor’s Thesis
  • Philip Hierhager, Sebastian Zielinski, Jonas Stein, and Claudia Linnhoff-Popien, "Evaluation of quantum-classical hybrid algorithms for solving 3-SAT problems", Bachelor’s Thesis
  • Ivelina Bozhinova, Jonas Stein, Sebastian Feld, and Claudia Linnhoff-Popien, "Pruning the search space in QUBO-based Community Detection", Master’s Thesis
  • Kai-Chun Lin, Jonas Stein, Christoph Roch, and Claudia Linnhoff-Popien, "Community Detection in Multilayer Networks via Quantum Annealing", Master’s Thesis
  • Maximilian Beer, Jonas Stein, Sebastian Feld, and Claudia Linnhoff-Popien, "Local Community Detection via Quantum Walks in the Quantum Gate Model", Bachelor’s Thesis
  • Moritz Finsterwalder, Christoph Roch, Jonas Stein, and Claudia Linnhoff-Popien, "Optimizing Shift Plans Using Classical Methods", Bachelor’s Thesis
  • Peter Lang, Jonas Stein, Sebastian Feld, and Claudia Linnhoff-Popien, "Optimized Community Detection through edge deletion on quantum annealers", Bachelor’s Thesis
  • Bob Godar, Christoph Roch, Jonas Stein, and Claudia Linnhoff-Popien, "Optimizing a Quantum Key Distribution Network using Quantum Annealing", Masters’s Thesis

Teaching

  • Quantum Computing Programming: SS26, WS25/26, SS25, WS24/25, SS24, WS23/24, SS23, WS22/23, SS22, WS21/22, SS21

  • Trends in Mobile and Distributed Systems: WS25/26, SS25, WS24/25, W23/24, SS21
  • Advanced Topics in Mobile and Distributed Systems: SS25, SS24, WS23/24, SS23, WS22/23, SS22, W21/22
  • Current Developments and Perspectives in Artificial Intelligence: SS26

  • Working Group Quantum Computing: SS26, WS25/26

Scientific Services

  • Physical Review Applied (2026)
  • ACM Transactions on Quantum Computing (2026, 2025, 2024, 2023)
  • EPJ Quantum Technology (2026)
  • Springer Nature Quantum Machine Intelligence (2026)
  • Springer Nature Quantum Information Processing (2025, 2024)
  • International Conference on Machine Learning (2026)
  • Informs Journal on Computing (2025)
  • Transactions on Machine Learning Research (2025)
  • Workshop on Quantum Artificial Intelligence and Optimization @ ICAART (2026)

  • IEEE International Conference on Quantum Computing and Engineering, Quantum Applications Track (2025, 2024)
  • International Workshop on Quantum Machine Learning:
    From Research to Practice @QCE (2026, 2025, 2024)

  • Publicity Chair of IEEE QAI (2027)
  • Topic Editor for a Special Session of Frontiers in Quantum Science and Technology (2026)
  • Member of the ACM (2026)
  • Session Chair at IEEE QCE (2025, 2024)

Caution

The following list of publications is not necessarily up to date. For a full list including preprints, see my Google Scholar profile.

Publications

2026

2025

2024

2023

2022

  • Thomas Gabor, Michael Lachner, Nico Kraus, Christoph Roch, Jonas Stein, Daniel Ratke, and Claudia Linnhoff-Popien. Modifying the quantum-assisted genetic algorithm. In: Proceedings of the Genetic and Evolutionary Computation Conference Companion. GECCO ’22 Companion. Boston, Massachusetts: Association for Computing Machinery, 2022, pp. 2205–2213.