PreprintNot peer reviewedQuantum ComputingPreprint reports polynomial-time classical algorithms for simulating quantum impurity modelsOriginal title: Polynomial-time classical and quantum simulation of quantum impurity modelsA preprint reports that static properties of quantum impurity models can be computed classically in polynomial time, while dynamical properties stay quantum-hard.Jiaqing Jiang et al. · Added 23 Oct 2026
PreprintNot peer reviewedFrom WaldiezArtificial IntelligenceA preprint reports routing small models per task matches hosted LLMs in a home-automation systemOriginal title: Not Every Call Needs a Frontier Model: Per-Call-Site Evaluation of Small Language Models in a Deployed Agentic Home-Automation SystemA preprint finds that assigning different small language models to each type of call in a home-automation agent nearly matches hosted models at far lower cost.Added 23 Oct 2026
PreprintNot peer reviewedQuantum ComputingPreprint lecture notes outline quantum algorithms for solving differential equationsOriginal title: A Quantum Path to Partial Differential EquationsA preprint offers a tutorial linking numerical analysis and quantum computing through block-encoded PDE solvers.Xiantao Li · Added 23 Oct 2026
PreprintNot peer reviewedFrom FoxconnQuantum ComputingPreprint simplifies quantum weight reduction with near-optimal code parametersOriginal title: Simplified Quantum Weight Reduction with Optimal BoundsA preprint reports a streamlined geometric method for lowering quantum code check weights with near-optimal bounds.Added 23 Oct 2026
PreprintNot peer reviewedQuantum ComputingPreprint proposes fault-tolerant scheme for constant-excitation codes against coherent noiseOriginal title: Fault-Tolerant Quantum Error Correction for Constant-Excitation Stabilizer Codes under Coherent NoiseA preprint develops a fault-tolerant error correction framework for constant-excitation codes and reports better resilience to coherent noise than standard codes.Ching-Yi Lai et al. · Added 23 Oct 2026
PreprintNot peer reviewedFrom Capital OneArtificial IntelligenceA preprint reports an adaptive guardrail model that reasons only on tricky safety casesOriginal title: AdaGuard: Enhancing Safety and Policy Compliance with Reasoning-Enabled LLM-As-A-Judge GuardrailsResearchers describe AdaGuard, a guardrail model that learns to decide per-policy when to reason, cutting latency while keeping accuracy.Added 23 Oct 2026
PreprintNot peer reviewedQuantum ComputingPreprint proposes variance-based sampling to tighten qDRIFT error boundsOriginal title: Optimized Randomized Hamiltonian Simulation via Average-Error AnalysisA preprint reports that sampling Hamiltonian terms by Hilbert-Schmidt norm can shrink average-case error bounds versus standard qDRIFT.Hayata Morisaki et al. · Added 23 Oct 2026
PreprintNot peer reviewedQuantum ComputingA preprint develops an algebraic test for fault tolerance in quantum error-correcting circuitsOriginal title: Fault tolerance of quantum circuits with tensor networks and symplectic geometryResearchers present an operator-algebraic and tensor-network method to certify fault tolerance of quantum circuits, tested on a Floquet code.Soham Ghosh et al. · Added 23 Oct 2026
PreprintNot peer reviewedFrom Kipu QuantumQuantum ComputingPreprint proposes hardware-native, measurement-free surface-code state preparationOriginal title: Measurement-free Preparation of Surface-Code States with Digital-Analog Counterdiabatic DrivingsA preprint reports a digital-analog counterdiabatic method that prepares surface-code stabilizer states without measurement, using shallower circuits.Added 23 Oct 2026
PreprintNot peer reviewedFrom AppleArtificial IntelligenceResearchers report a model can improve its own safety alignment without external supervisionOriginal title: SIGMA: Self-Improving Alignment Generalization from a Model SpecA preprint describes SIGMA, a pipeline letting a model generate and judge its own alignment training tasks from a Model Spec.Added 22 Oct 2026
PreprintNot peer reviewedQuantum ComputingPreprint reports a fully local decoder enabling 2D fault-tolerant quantum computingOriginal title: Local decoders for fault-tolerant quantum computation and translation-invariant stabilizer codesA preprint describes a cellular-automaton decoder that lets a two-dimensional quantum computer correct errors using only local, constant-density classical resources.Nathaniel Selub et al. · Added 22 Oct 2026
PreprintNot peer reviewedArtificial IntelligenceA preprint reports a learned controller that picks agent configurations per queryOriginal title: Learning to Configure Agentic AI SystemsResearchers describe ARC, a system that learns to pick workflows, tools and budgets for each query rather than using fixed templates.Aditya Taparia et al. · Added 22 Oct 2026
PreprintNot peer reviewedArtificial IntelligenceResearchers propose token-level routing to combine LLM reasoning with precise computationOriginal title: PiERN: Token-Level Routing for Integrating High-Precision Computation and ReasoningA preprint describes PiERN, an architecture that routes individual tokens between language reasoning and isolated high-precision computation experts.Jingyuan Fan et al. · Added 22 Oct 2026
Journal articleReview status unknownFrom Qubit PharmaceuticalsQuantum ComputingResearchers report adaptive-grid quantum algorithm for real-space molecular chemistryOriginal title: Real-Space Chemistry on Quantum Computers: A Fault-Tolerant Algorithm with Adaptive Grids and Transcorrelated ExtensionA study proposes non-uniform grids and a transcorrelated Hamiltonian to make first-quantized quantum chemistry simulations more efficient.Added 22 Oct 2026 · Released Jan 2026
PreprintNot peer reviewedArtificial IntelligenceResearchers report LLM-agent design search for edge AI chip mapping beats standard optimisersOriginal title: Agentic Design Space Exploration for Joint Hardware Configuration Selection and Mapping of AI Inference Workloads on Heterogeneous Edge SoCsA preprint reports an LLM-driven proposer-critic system that uses execution traces to speed up hardware design search for edge AI chips.Geetha Prasuna Yarramneni et al. · Added 22 Oct 2026
PreprintNot peer reviewedQuantum ComputingResearchers report a sparse 6×6 quantum dot array using spin shuttling to cut crosstalkOriginal title: Sparse qubit operation in a 6$\times$6 quantum dot arrayA preprint describes a 6×6 quantum dot array where spin shuttling creates a sparse 10-qubit layout with far less crosstalk.Alexader S. Ivlev et al. · Added 22 Oct 2026
PreprintNot peer reviewedArtificial IntelligenceAPEX guards LLM agents by checking actions right before they happenOriginal title: APEX: Active Protection at Execution Boundaries for LLM AgentsA preprint describes APEX, a defence that checks AI agent actions at the point of execution rather than scanning for attack patterns.Xinran Zheng et al. · Added 22 Oct 2026
PreprintNot peer reviewedQuantum ComputingResearchers drive trapped-ion qubit gates using an integrated chip-scale laserOriginal title: Trapped Ion Qubit Gates and Entanglement Driven by an Integrated Photonic LaserA preprint reports that a chip-based laser can perform coherent single- and two-qubit gates on a trapped ion, a step toward scalable quantum hardware.Chris Caron et al. · Added 22 Oct 2026
PreprintNot peer reviewedFrom Alice & BobQuantum ComputingPreprint proposes continuous-variable flags to fix ancilla decay errors in bosonic codesOriginal title: Protecting bosonic codes from ancilla-induced errors with continuous-variable flagsA preprint reports a flag-oscillator scheme that detects and corrects ancilla-decay errors in bosonic quantum memories.Added 22 Oct 2026
PreprintNot peer reviewedArtificial IntelligencePreprint proposes patching model weights to offset KV cache compression lossesOriginal title: PatchKV: Weight-Space Compensation of KV CacheA preprint describes PatchKV, a training-free method that patches LLM weights to recover context lost from aggressive KV cache compression.Chanryeol Lee et al. · Added 22 Oct 2026
