Provable bounds for noise-free expectation values computed from noisy samples
- 2024
- Nat. Comput. Sci.
Bio
Dr. Stefan Woerner is a Principal Research Scientist and Manager of the Quantum Computational Science group of IBM Quantum at IBM Research Europe - Zurich. He received a Master of Science in Applied Mathematics from ETH Zurich in 2010, and a Doctor of Sciences in Operations Management from ETH Zurich in 2013 for his thesis on Convex Optimization in Supply Chain Management. Stefan is renowned for his work in quantum finance, quantum optimization, and quantum machine learning. He has authored key papers, supervised PhD students, and given invited talks at major conferences and institutions.
Publications
Challenges and opportunities in quantum optimization
- Amira Abbas
- Andris Ambainis
- et al.
- 2024
- Nature Reviews Physics
Quantum Theory and Application of Contextual Optimal Transport
- Nicola Mariella
- Albert Akhriev
- et al.
- 2024
- ICML 2024
Quantum Optimization for Multi-objective Optimization
- 2024
- ISMP 2024
Variational quantum time evolution without the quantum geometric tensor
- Julien Gacon
- Jannes Nys
- et al.
- 2024
- PRResearch
Quantum Theory and Application of Contextual Optimal Transport
- 2023
- NeurIPS 2023
From Tight Gradient Bounds for Parameterized Quantum Circuits to the Absence of Barren Plateaus in QGANs
- Alistair Letcher
- Stefan Woerner
- et al.
- 2023
- QTML 2023
Tight and Efficient Gradient Bounds for Parameterized Quantum Circuits
- Alistair Letcher
- Stefan Woerner
- et al.
- 2024
- ML-Obergurgl 2024
Stochastic Approximation of Variational Quantum Imaginary Time Evolution
- 2023
- QCE 2023
Quantum Kernel Alignment with Stochastic Gradient Descent
- Gian Gentinetta
- David Sutter
- et al.
- 2023
- QCE 2023
Patents
- US
- 12136021
- CN
- ZL202080032022.X
- US
- 11960969
- US
- 11816594
- US
- 11809964
- US
- 11734598
- JP
- 7335330
- US
- 11728011
- US
- 11676056
- US
- 11663511
Projects
Quantum Optimization
Applying quantum algorithms to various optimization problems
Blog posts
The power of quantum neural networks
ResearchAmira Abbas, David Sutter, and Stefan Wörner5 minute readNew Qiskit design: Introducing Qiskit application modules
ReleaseMatthew Treinish, Ali Javadi-Abhari, and Stefan Wörner3 minute read
Top collaborators
CZ
Christa Zoufal
Quantum Applications Researcher
JG
Julien Gacon
Research Scientist, Quantum Computational Science
SZ
Sergiy Zhuk
Senior Research Scientist and Manager, Optimization & Quantum Computing
FT
Francesco Tacchino
Research Staff Member