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Isogeny Graphs in Superposition and Quantum Onion Routing
Eleni Agathocleous, Tobias Hartung, Karl Jansen +1
Onion routing provides anonymity by layering encryption so that no relay can link sender to destination. A quantum analogue faces a core obstacle: layered quantum encryption genera…
Quantum convolutional neural networks for jet images classification
Hala Elhag, Tobias Hartung, Karl Jansen +3
Recently, interest in quantum computing has significantly increased, driven by its potential advantages over classical techniques. Quantum machine learning (QML) exemplifies one of…
Convergence and efficiency proof of quantum imaginary time evolution for bounded order systems
Tobias Hartung, Karl Jansen
Many current and near-future applications of quantum computing utilise parametric families of quantum circuits and variational methods that can suffer from obstacles including non-…
Variational Quantum Eigensolver Approach to Prime Factorization on IBM's Noisy Intermediate Scale Quantum Computer
Mona Sobhani, Yahui Chai, Tobias Hartung +1
This paper presents a hybrid quantum-classical approach to prime factorization. The proposed algorithm is based on the Variational Quantum Eigensolver (VQE), which employs a classi…
Real-time measurement error mitigation for one-way quantum computation
Tobias Hartung, Stephan Schuster, Joachim von Zanthier +1
We propose a quantum error mitigation scheme for single-qubit measurement errors, particularly suited for one-way quantum computation. Contrary to well established error mitigation…
Benchmarking Variational Quantum Algorithms for Combinatorial Optimization in Practice
Tim Schwägerl, Yahui Chai, Tobias Hartung +2
Variational quantum algorithms and, in particular, variants of the varational quantum eigensolver have been proposed to address combinatorial optimization (CO) problems. Using only…