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From the 1 of 20 linked papers with an AI index.

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20242026
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20 papers

quant-ph2026

Implicit Differentiation for Measurement-Efficient Bilevel Quantum-Classical Optimization

Tobias Rohe, Markus Baumann, Federico Harjes Ruiloba +3

Quantum optimization has shown promising results for quadratic unconstrained binary optimization (QUBO) problems. Real-world applications, however, often involve polynomial coeffic…

quant-ph2026

From Quantum Shots to Training Data: Reorganizing Measurement Records in Quantum Machine Learning

Markus Baumann, Maximilian Zorn, Thomas Gabor +2

The paper introduces a shot‑grouping technique that partitions quantum measurement records into disjoint groups and averages within each group, providing a tunable trade‑off betwee…

quant-ph2026

Exploiting Symmetry in Quantum Reservoir Computing

Markus Baumann, Michael Poppel, Thomas Gabor +3

Quantum reservoir computing (QRC) uses a quantum processor without training it. The input is encoded into a quantum state, a fixed random circuit evolves it, selected observables a…

quant-ph2026

Architecture Shape Governs QNN Trainability: Jacobian Null Space Growth and Parameter Efficiency

Michael Poppel, David Bucher, Maximilian Zorn +5

Variational quantum circuits with angle encoding implement truncated Fourier series, and architectures arranging qubits with encoding layers each -- sharing encoding budget…

quant-ph2026

Mitigating Exponential Mixed Frequency Growth through Frequency Selection

Michael Poppel, David Bucher, Maximilian Zorn +4

Angle encoding has emerged as a popular feature map for embedding classical data into quantum models, naturally generating truncated Fourier series with universal function approxim…

quant-ph2026

Quantum Optimization Methods for the Generalized Traveling Salesman Problem

Maximilian Zorn, Melinda Braun, Michael Ertl +4

This paper studies quantum optimization baselines for the Generalized Traveling Salesman Problem (GTSP), a clustered routing problem that naturally models variant selection and seq…