Encoding patterns for quantum algorithms

M Weigold, J Barzen, F Leymann… - IET Quantum …, 2021 - Wiley Online Library
As quantum computers are based on the laws of quantum mechanics, they are capable of
solving certain problems faster than their classical counterparts. However, quantum …

Expanding data encoding patterns for quantum algorithms

M Weigold, J Barzen, F Leymann… - 2021 IEEE 18th …, 2021 - ieeexplore.ieee.org
As quantum computers are based on the laws of quantum mechanics, they are capable of
solving certain problems faster than their classical counterparts. However, often algorithms …

Investigating the effect of circuit cutting in QAOA for the MaxCut problem on NISQ devices

M Bechtold, J Barzen, F Leymann… - Quantum Science …, 2023 - iopscience.iop.org
Noisy intermediate-scale quantum (NISQ) devices are restricted by their limited number of
qubits and their short decoherence times. An approach addressing these problems is …

Configurable readout error mitigation in quantum workflows

M Beisel, J Barzen, F Leymann, F Truger, B Weder… - Electronics, 2022 - mdpi.com
Current quantum computers are still error-prone, with measurement errors being one of the
factors limiting the scalability of quantum devices. To reduce their impact, a variety of …

Automating the comparison of quantum compilers for quantum circuits

M Salm, J Barzen, F Leymann, B Weder… - Symposium and Summer …, 2021 - Springer
For very specific problems, quantum advantage has recently been demonstrated. However,
current NISQ computers are error-prone and only support small numbers of qubits. This …

[PDF][PDF] Patterns for quantum error handling

M Beisel, J Barzen, F Leymann, F Truger… - Proceedings of the …, 2022 - iaas.uni-stuttgart.de
The capabilities of current quantum computers are limited by their high error rates. Thus,
reducing the impact of these errors is one of the crucial challenges for the successful …

Selection and optimization of hyperparameters in warm-started quantum optimization for the MaxCut problem

F Truger, M Beisel, J Barzen, F Leymann, V Yussupov - Electronics, 2022 - mdpi.com
Today's quantum computers are limited in their capabilities, eg, the size of executable
quantum circuits. The Quantum Approximate Optimization Algorithm (QAOA) addresses …

Prioritization of compiled quantum circuits for different quantum computers

M Salm, J Barzen, F Leymann… - 2022 IEEE International …, 2022 - ieeexplore.ieee.org
Quantum computers can solve certain problems faster than classical computers. The
number of quantum computers offered via the cloud increases such that a variety is …

Automated quantum hardware selection for quantum workflows

B Weder, J Barzen, F Leymann, M Salm - Electronics, 2021 - mdpi.com
The execution of a quantum algorithm typically requires various classical pre-and post-
processing tasks. Hence, workflows are a promising means to orchestrate these tasks …

[PDF][PDF] An Exploratory Study on the Challenges of Engineering Quantum Applications in the Cloud.

D Vietz, J Barzen, F Leymann, B Weder, V Yussupov - Q-SET@ QCE, 2021 - ceur-ws.org
The rapid evolution of quantum computation in the cloud creates considerable opportunities
for multiple real-world application scenarios, including chemical simulation, optimization …