Stefan Woerner

Overview

Title

Manager, Quantum Computational Science

Location

IBM Research Europe - Zurich Zurich, Switzerland

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

Quantum Theory and Application of Contextual Optimal Transport
- - Nicola Mariella
  - Albert Akhriev
  - et al.
- 2024
- ICML 2024
Quantum Optimization for Multi-objective Optimization
- - Stefan Woerner
- 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
- - Nicola Mariella
  - Jannis Born
  - et al.
- 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
- - Julien Gacon
  - Christa Zoufal
  - et al.
- 2023
- QCE 2023
Quantum Kernel Alignment with Stochastic Gradient Descent
- - Gian Gentinetta
  - David Sutter
  - et al.
- 2023
- QCE 2023
Towards quantum-enabled cell-centric therapeutics
- - Saugata Basu
  - Jannis Born
  - et al.
- 2023
- arXiv
Scaling Generative Quantum Machine Learning
- - Christa Zoufal
  - Stefan Woerner
- 2023
- APS March Meeting 2023

Patents

- 13 May 2024
- CN
- ZL202080032022.X
System And Method For Molecular Design On A Quantum Computer
- 15 Apr 2024
- US
- 11960969
Quantum Amplitude Estimation State Preparation For Stochastic Processes
- 13 Nov 2023
- US
- 11816594
Stochastic Control With A Quantum Computer
- 06 Nov 2023
- US
- 11809964
Hierarchical Portfolio Optimization Using Clustering And Near-term Quantum Computers
- 21 Aug 2023
- US
- 11734598
Quantum State Preparation Of A Probability Distribution Facilitating Quantum Amplitude Estimation
- 20 Aug 2023
- JP
- 7335330
Enhancing Hybrid Quantum-classical Algorithms For Optimization
- 14 Aug 2023
- US
- 11728011
System And Method For Molecular Design On A Quantum Computer
- 12 Jun 2023
- US
- 11676056
Calculating Excited State Properties Of A Molecular System Using A Hybrid Classical-quantum Computing System
- 29 May 2023
- US
- 11663511
Iterative Quantum Amplitude Estimation
- 15 May 2023
- US
- 11651264
System And Method For Handling Inequality Constraints In Mixed Binary Optimization On Quantum Computers

Blog posts

The power of quantum neural networks
Research
Amira Abbas, David Sutter, and Stefan Wörner
02 Jul 2021
5 minute read
New Qiskit design: Introducing Qiskit application modules
Release
Matthew Treinish, Ali Javadi-Abhari, and Stefan Wörner
06 Apr 2021
3 minute read
- Quantum
- Quantum Software

Top collaborators