Chest X-ray model reports stronger case retrieval for less common findings
Preprint results from an annotated chest-radiograph benchmark show stronger retrieval scores, with notable reported gains in several lower-prevalence findings.
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China's Home-Citation Bias Shrinks as Research Impact Grows
A preprint analysis of more than 44 million publications finds that China's rising domestic citation share largely tracks its expanding research output.
Preprint tests a robot trained to find contact before moving objects
The method reached 94.1% success in simulation and 69.0% across 58 hardware trials on four unseen objects, while dishwasher testing remained qualitative.
Light May Create Trapped Defects in Barium Fluoride
Preprint: Experiments suggest that stored optical defects in BaF2 can be selectively stimulated to change luminescence and reveal where excitation occurred.
AI models miss subtle power cues in French and Egyptian Arabic dialogue
Preprint: A benchmark of movie scenes finds models closer to human labels on explicit cues than on relational, culturally grounded judgments.
AI Engineering Agents Rechecked More Often With Explicit Guidance
An arXiv preprint reports that explicit post-edit recheck guidance was linked to more re-verification and a higher bounded final-success rate in DWSIM simulations.
Six CKM fixed points survive every order of perturbation theory
An arXiv preprint dated 28 Aug 2026 reports an all-order proof that removes an assumption used in an earlier argument.
Overnight Bed Sensors Offer Modest Clues to Next-Day Agitation
A preprint study found that a full-night model using minute-level overnight signals showed modest ability to rank next-day agitation in a 65-patient hospital cohort.
AI Models Score High on Easy Finance Questions, Then Stumble on Hard Ones
This preprint reports a 10,198-question benchmark with a sharp gap between easy and hard items, while selective retrieval showed only a small gain on held-out questions.
Less Robot Sharing Linked to More Human Openness
Preprint: In a randomized study of 50 people, a robotic arm that shared fewer personal details was linked to more human disclosure and stronger teamwork ratings.
Model links jamming to a shift in how granular sound fades
A preprint simulation study reports a pressure-dependent crossover from quadratic attenuation to scattering-dominated sound loss.
AI-guided FPGA task mapping reports speed gains in two workloads
Preprint: An arXiv study reports repeatable FPGA-GPP allocations and speedups of up to 92.53 times across two workloads on an AMD ZCU104 platform.
AI model reaches 97% accuracy identifying Bangladeshi mango varieties
This preprint reports a smartphone-image benchmark and public web app, while its evidence remains limited to one dataset and a fixed test split.
Pulse-train estimator cuts memory use and speeds up period searches
Preprint: A simulated benchmark reported more than fivefold speed gains on a GPU and a 167 MB memory footprint after compilation.
Researchers Propose an Operating System for Shared Human-AI Work
Preprint paper describes CrabOS as a four-layer system designed to let people and AI continue the same task through shared, auditable objects.
Quantum model performs best in scarce-data MDS test
Preprint: A proof-of-concept study found the quantum system outperformed three classical generators on synthetic patient data.
Characteristic Polynomials Link Poisson and Gaussian Chaos
Preprint analysis suggests self-normalized random matrices move between Poisson and Gaussian limits as tail behavior changes.
Robot system clears every test bin, but grasp success varies
Preprint: A four-level hybrid robot cleared all 30 bins tested with three automotive parts, while grasp success differed by baseline and initialization.
Three-loop QCD calculation hints at higher inclusive Vub value
Preprint calculations add higher-order detail to inclusive B-decay predictions, but the semileptonic result remains preliminary.
Dynamic Radar Allocation Holds Up When Network Capacity Is Tight
A preprint reports that dynamic sensor and time-frequency allocation outperformed equal sharing when capacity was tight, but matched it when capacity was high.