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Preprint
Not peer reviewed
Artificial Intelligence

Researchers report an open-weight AI agent that improves formal maths proof translation

Original title: AIProver: Agentic Auto-Formalization of Mathematical Research via Certificate-Driven Evolving Harness

A preprint describes AIProver, an agentic system that jointly trains a model and evolves its tool harness to auto-formalise research-level maths proofs in Lean.

Prithwish Jana et al. · Added 25 Oct 2026

Preprint
Not peer reviewed
From Quantum Motion
Quantum Computing

Researchers report decoder confidence scores can cut logical error rates in quantum circuits

Original title: Error mitigation for logical circuits using decoder confidence

A preprint explores using decoder confidence scores to abort risky quantum circuit runs or statistically correct their output, reducing logical error impact.

Added 25 Oct 2026

Preprint
Not peer reviewed
Quantum Computing

Researchers propose two-qubit quantum memory using tunable detuning control

Original title: Quantum memory in an effective $Λ$-type system using dynamic detuning control of a superconducting qubit pair

A preprint proposes storing microwave photons in a pair of detuned superconducting qubits acting as an effective three-level memory.

Hsin Chang et al. · Added 25 Oct 2026

Preprint
Not peer reviewed
From Google
Artificial Intelligence

Researchers report insight injection lifts agentic ML-engineering results by 123.9%

Original title: Assembling Insights for Agentic Machine Learning Engineering Systems

A preprint finds that feeding assembled task insights into an agentic machine-learning engineering system sharply boosts its benchmark scores.

Added 25 Oct 2026

Preprint
Not peer reviewed
Quantum Computing

Researchers report quasilinear-cost method for classically verifying quantum computations

Original title: Classical Verification of Quantum Computation with Quasilinear Resources, from Compiled Nonlocal Games

A preprint describes a cryptographic protocol letting a classical verifier check a quantum computer's work with far less overhead than prior cubic-cost schemes.

Finn Holler et al. · Added 25 Oct 2026

Preprint
Not peer reviewed
Artificial Intelligence

Preprint finds tool-hallucination fixes can backfire when tool setups change

Original title: Understanding and Mitigating Hallucination Escape in Tool-Using LLM Agents

A preprint reports that existing LLM tool-hallucination fixes can increase errors under other tool configurations, and proposes a method to curb this.

Peigui Qi et al. · Added 25 Oct 2026

Preprint
Not peer reviewed
Quantum Computing

Researchers report quantum memory decoders can miss hidden noise correlations

Original title: What Must a Quantum-Memory Decoder Know About Temporally Correlated Noise?

A preprint reports that syndrome data alone can leave quantum error-correction decoders unable to tell apart noise types needing different fixes.

Danesh Morales-Hashemi et al. · Added 25 Oct 2026

Preprint
Not peer reviewed
From IonQ
Quantum Computing

Researchers report a fix for quantum gate benchmarking when groups have multiplicity

Original title: Lifting Multiplicity in Randomized Benchmarking

A preprint describes a benchmarking method that avoids multi-exponential curve fitting for quantum gate groups with multiplicity.

Added 25 Oct 2026

Preprint
Not peer reviewed
Quantum Computing

Preprint reports non-Gaussian inputs can cut GKP magic state distillation costs

Original title: Improved GKP magic states from error-corrected non-Gaussian quantum states

A preprint reports that starting error correction from simple non-Gaussian states, rather than the vacuum, can shrink resources needed for GKP magic state distillation.

Sharon David et al. · Added 25 Oct 2026

Preprint
Not peer reviewed
From Meta
Artificial Intelligence

A preprint proposes finer credit assignment to boost LLM reasoning via RL

Original title: Hierarchical Credit Assignment for RLVR on Fused Gromov-Wasserstein Geometry

Researchers report a new method that rewards semantically novel reasoning steps in LLM training, improving results on several math benchmarks.

Added 25 Oct 2026

Preprint
Not peer reviewed
From Phasecraft
Quantum Computing

Researchers report a faster probabilistic imaginary-time evolution algorithm for quantum chemistry

Original title: A quantum double-bracket algorithm for imaginary-time evolution with exponentially shorter depth

A preprint reports a probabilistic double-bracket algorithm that cuts circuit depth for quantum imaginary-time evolution.

Added 25 Oct 2026

Preprint
Not peer reviewed
Artificial Intelligence

Preprint models why self-distillation resists forgetting while fine-tuning does not

Original title: Learning without Overwriting: A Theory of Self-Distillation and Supervised Fine-Tuning in Continual Reasoning

A preprint offers a theoretical account of why on-policy self-distillation preserves earlier skills better than standard fine-tuning during continual reasoning training.

Shinichi Uemura et al. · Added 25 Oct 2026

Preprint
Not peer reviewed
Quantum Computing

Study maps where variational quantum circuits fail for a two-flavor lattice gauge model

Original title: Disentangling Expressibility, Symmetry Protection, and Hardware Noise in Variational Quantum Simulation of the Two-Flavor Schwinger Model

A preprint reports hardware noise, not circuit design, is what stops variational quantum simulation from scaling on a simple gauge theory.

Karthikeya Machiraju et al. · Added 25 Oct 2026

Preprint
Not peer reviewed
Quantum Computing

Researchers report silicon spin qubit reset without reservoirs or measurement

Original title: Reservoir- and Measurement-free Microwave Initialization of Semiconductor Spin Qubits

A preprint reports a microwave-only pulse sequence that initialises silicon spin qubits without reservoir access or readout feedback.

Leon C. Camenzind et al. · Added 25 Oct 2026

Preprint
Not peer reviewed
From AWS Center for Quantum Computing
Quantum Computing

Preprint models realistic noise, gates and read-out for superconducting GKP qubits

Original title: Modeling Logical Gates and Read-Out of Superconducting Gottesman-Kitaev-Preskill Qubits

A preprint presents theoretical tools linking realistic noise, logical gates and imperfect measurement for superconducting GKP qubits.

Added 25 Oct 2026

Preprint
Not peer reviewed
Quantum Computing

Preprint proposes error-mitigation scheme to cut quantum resource overheads

Original title: Compilation-informed probabilistic logical-error cancellation

A preprint describes a mitigation technique that aims to make high-precision quantum estimates independent of target precision in circuit size and code distance.

Giancarlo Camilo et al. · Added 25 Oct 2026

Preprint
Not peer reviewed
Quantum Computing

A preprint reports a compact quantum circuit learning exact algebraic rules

Original title: Universal Quantum Transformer

Researchers report that a small quantum attention circuit can learn modular arithmetic, group algebra and language rules with near-perfect precision.

Sungyong Chung et al. · Added 25 Oct 2026

Preprint
Not peer reviewed
Artificial Intelligence

Researchers report hardware counters can reveal if data trained an LLM

Original title: TranScope: What the Software Hides About LLM Training Data, the Hardware Reveals at Scale, and Accelerators Magnify

A preprint describes TranScope, a tool using CPU performance counters to detect whether specific data was used to train a language model.

Joshua Kalyanapu et al. · Added 24 Oct 2026

Preprint
Not peer reviewed
Artificial Intelligence

Researchers report code comments can steer LLMs to write vulnerable code

Original title: Hidden in the Comments: A Context-Injection Attack Surface in Code LLMs

A preprint finds that insecure instructions hidden in code comments push Code LLMs toward vulnerable completions far more often than benign tasks.

Noor Munir et al. · Added 24 Oct 2026

Preprint
Not peer reviewed
Quantum Computing

Preprint explores quantum computer simulations of nuclear quantum effects in molecules

Original title: Molecular Dynamics with Nuclear Effects on Quantum Computers

A preprint reports a hybrid quantum-classical molecular dynamics method that includes nuclear quantum effects using a quantum computer.

Lukas Haßfurth et al. · Added 24 Oct 2026