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quantum computing

603 papers

#machine learning Preprint Jul 2026

From hyperplanes to hyperellipsoids: a pedagogical bridge from linear classifiers to single-qubit mixed-state classifiers

A pedagogical bridge is developed between linear classifiers and single-qubit mixed-state classifiers by characterizing their geometric model structure, which reveals that a single-qubit mixed-state model for binary classification can be viewed as the ``ellipsoidal version'' of a standard linear classifier.

Kaitlin Gili · 0 citations
#machine learning Preprint Open access Oct 2026

Steering the Fidelity in State Preparation on Noisy Bosonic Systems with Risk-Seeking Optimization

In order to execute quantum algorithms on bosonic quantum computers, it is necessary to encode their inputs into a desired target quantum state, with a process called state preparation. In real settings, state preparation methods operate in stochastic scenarios, where the prepared state is represented as a mixed state,...

Riccardo Piantoni, Riccardo Pellini, Maurizio Ferrari Dacrema et al. · 0 citations
#machine learning Preprint Oct 2026

Lifting: Quantum State Discrimination Framework for Mid-Circuit Measurements

The theoretical analysis shows that retaining additional channels from a fixed joint distribution cannot increase Bayes risk and establishes sufficient conditions for contraction of an overlap-based upper bound, and experiments across three IBM processors evaluate the framework on repeated stabilizer measurement, parit...

Chi Zhang, N. Vora, Yi-Lun Xu et al. · 0 citations
#machine learning Preprint Oct 2026

Distance Prediction for Quantum Codes

The distance of a quantum code is a fundamental metric that dictates its error-correction capability. While quantum low-density parity-check (qLDPC) families such as Bivariate Bicycle (BB) codes offer a promising pathway to low-overhead fault-tolerant quantum computing, computing their distance is challenging. Current...

N. Schneider, Eliya Nachmani · 0 citations
#machine learning Preprint Open access Oct 2026

Representation Geometry and Inductive Biases in Quantum Classifiers across Classical Visual Benchmarks

Quantum Machine Learning (QML) has a theoretical advantage over classical algorithms for specific synthetic data that is computationally hard. However, it remains unclear whether such theoretical advantages play a meaningful role for realistic classical data, such as natural images. Quantum structural properties induce...

Yu Yamaoka, Weng Ian Chan, Kosuke Mitarai · 0 citations
#machine learning Preprint Open access Oct 2026

QBFF: Deep Quantum Bottleneck for Automatic Speaker Verification Anti-Spoofing

A central goal of quantum machine learning is to identify applications in which small quantum circuits can improve task performance while remaining executable on real hardware. We investigate deepfake (synthetic) speech detection, a largely unexplored application in this area, where reliable confidence scores are as im...

Anton Firc, Nouhaila Innan, Vojt\v{e}ch Stan\v{e}k et al. · 0 citations
#artificial intelligence Review Oct 2026

A Tutorial on Quantum Amplitude Embedding with Data Re-Uploading

This tutorial addresses the problem of explaining what data re-uploading adds to an amplitude-embedded model and how large the gain is and expresses sequential re-uploading and parallel re-uploading with two copies in one notation and shows that each upload raises the reachable polynomial order by two.

Hyojun Ahn, Joongheon Kim · 0 citations
#machine learning Preprint Oct 2026

Diversity-Aware Ensemble of Quantum-Classical Models via Combinatorial Fusion

Variational quantum circuits (VQCs) are highly sensitive to circuit architecture, yet most quantum machine learning pipelines select a single best design and discard the remaining candidates. This paper addresses whether the structural diversity across quantum circuit search spaces can be used to produce stronger predi...

Jing-Yan Xu, Yuan-Hong Wu, Samuel Yen-Chi Chen et al. · 0 citations
#machine learning Preprint Open access Oct 2026

Harmonic analysis and circuit approximation of Sobolev functions on quantum input spaces

We derive approximation rates for Sobolev functions defined on the complex unit sphere and complex projective space, representing quantum states, and on the special and projective unitary groups, representing quantum unitary operations. By using harmonic analysis on compact groups and compact homogeneous spaces, we cha...

Philipp Schmocker · 0 citations
#machine learning Preprint Open access Oct 2026

Verifiable Sampling for Delegated Generative Quantum Machine Learning

Generative machine learning has shown remarkable results across a wide range of interdisciplinary tasks, motivating significant efforts toward Quantum Generative Models as a path to beyond-classical performance, given their capability of generating classically intractable distributions. However, comparatively little at...

Matteo Inajetovic, Anna Pappa, Petros Wallden · 0 citations
#machine learning Preprint Open access Oct 2026

Trainable Quantum-Native Language Models: Dissipative Memory, Capacity Limits, and Hardware Validation

We study byte-level autoregressive language models whose hidden state is a small quantum register, whose transitions are learned token-conditioned quantum channels, and whose next-byte probabilities come directly from Born-rule measurements without a learned classical vocabulary projection or softmax. In the fixed-widt...

Deniz Yunus G\"o\u{g}\"u\c{s} · 0 citations
#machine learning Preprint Oct 2026

QTestBench: A Test Framework for Evaluating LLM-Generated Quantum Code

Large language models (LLMs) have shown strong results in classical code generation and are increasingly used to write the unit tests that safeguard that code. Whether they can do the same for quantum software is less clear, because quantum programs are probabilistic, depend on numerical tolerances, and are judged by d...

Meriem Terki, Nouhaila Innan, Ming-Hao Shao et al. · 0 citations

From tech blogs

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MIT News · Artificial Intelligence Oct 28, 2026

Making machines that can listen

Professor Paris Smaragdis develops computers with superhuman hearing for applications like speech recognition, music understanding, and environmental monitoring.

Microsoft Research Blog Oct 21, 2026

Solving a 31-year-old grand challenge in mathematics – the KLS conjecture

For decades, a fundamental question about the difficulty of computing in high-dimensional spaces has resisted proof. New research resolves this question, removing a major theoretical obstacle to understanding the efficiency of randomized algorithms used across science and computing. The Kannan–Lovász–Simonovits (KLS) conjecture was proposed in 1995. It asks whether, for a broad class of high-dimensional […] The post Solving a 31-year-old grand challenge in mathematics – the KLS conjecture appear…

MIT News · Artificial Intelligence Oct 15, 2026

AI model decodes the language cells use to communicate

A new computational approach reveals how cells communicate to assemble into tissues. This could accelerate stem cell engineering, improve disease models, and inform therapies.

Microsoft Research Blog Oct 15, 2026

Proof-based general-purpose computing with Magnetar

Zero-knowledge proofs can verify computing results without rerunning workloads or exposing sensitive data. Magnetar helps bring them into the mainstream with support for standard programming languages, major speed gains, and quantum-resistant security. The post Proof-based general-purpose computing with Magnetar appeared first on Microsoft Research.

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