Your AI research companion

1. cs.CLRethinking in Spikes: Mitigating Hallucinations in MDLMs with Step-Aware DecodingZhongxing Xu, Zhonghua Wang, Zhe Qian, Shiyan Su, Ming Hu, Xiaocheng Zou et al.

   The researchers observed that a few steps in an AI system’s text-generation process are linked to made-up details. They developed a decoding method that temporarily keeps multiple possible meanings in play at those steps, and report that it reduced these …

2. cs.CLFrom Relevant Posts to Attributable Spans: Explicit Symptom Evidence for Depression Questionnaire InferenceSumanth Manduru, Carlotta Domeniconi

   The researchers built a system that finds specific first-person statements in social-media histories and uses them as evidence when estimating depression questionnaire answers. It improved evidence retrieval and achieved the strongest exact item-level agreement across three evaluation collections, while using …

3. cs.CVTextual Response-Aware Guidance for Zero-Shot Adversarial Robustness of Vision-Language ModelsYubo Cui, Xianchao Guan, Zheng Zhang

   The researchers developed a way to make image-and-text AI systems more resistant to misleading inputs while preserving their ability to match images with text. Tests across different systems and tasks found strong performance on both ordinary and adversarial examples.

Every weekday, the new papers in your categories, each with a short summary. See a whole paper alert →

This week’s preprints test whether AI improvements survive contact with new hospitals, financial markets, physical laws and the people expected to use them.

6 papers put into perspective

1. Tutors change their questions, but still dominate the conversation
2. A convincing heat map is not an error alarm
3. Physical laws give neural networks a close rival
4. Reading financial news is not the same as beating the market

1. astro-ph.HEUnidentified Sources in the 4FGL-DR4 Fermi-LAT Catalog as Potential Dark Matter SatellitesFernando Valenciano, Miguel A. Sánchez-Conde, Jorge Martin Camalich

   The authors searched 2,428 unidentified gamma-ray sources in the Fermi telescope’s 14-year catalog for signs of dark matter satellites. None showed convincing evidence of dark matter, but the search sets limits on possible dark matter particles and complements searches using …

2. astro-ph.COLess is More: Unbiased Galaxy Clustering from Fewer Merger TreesOscar J. Hickman, Sownak Bose, Kai Wang, Carlton M. Baugh, Baojiu Li

   The researchers developed a way to estimate galaxy clustering without running a galaxy-formation model on every simulated dark-matter history. Using only a small random fraction of the histories, their corrected estimates recovered the full simulation’s clustering with substantial computational savings.

3. astro-ph.HEThe Ordinary Days of Extraordinary Blazar 3C 454.3Sajeesh George, P N Naseef Mohammed, Aminabi Thekkoth, Vaidehi S. Paliya, C D R…

   The researchers studied the usually quiet state of the exceptionally bright blazar 3C 454.3 using observations from several kinds of space telescopes. Their analysis found that its high-energy light can be explained by energetic particles interacting with light from nearby …

Every weekday, the new papers in your categories, each with a short summary. See a whole paper alert →

This week’s preprints connect ambitious new observations with a quieter challenge: understanding how instruments, models and reused measurements shape what astronomers can claim.

6 papers put into perspective

1. Weighing the Milky Way means testing the scales
2. A black hole measured through the stars around it
3. A cold nearby world in a deep view of the Universe
4. A low-frequency signal with an unresolved source

1. quant-phKinematic Quantum GeometryBernardo Barrera, Nishchhal Verma, Raquel Queiroz, Anatoli Polkovnikov, Anushya…

   The authors introduce a way to describe how fast-moving particles can change the behavior of nearby quantum systems that adjust to their motion. They show that this can alter effective mass, forces, electrical response, and circuit properties, including in situations …

2. quant-phTime Direction Entanglement Entropy of Free Fermion Ground StatesXinyu Sun, Bowei Liu, Joshua Yi, Biao Lian

   The authors study how quantum information is shared across a time interval in systems of free-moving electrons. They find that the pattern depends on whether the system is clean, has an energy gap, or contains disorder, and that disorder can …

3. quant-phField-induced phase-matching in Josephson traveling wave parametric amplifiersDaniil E. Bazulin, Simon Gandorfer, Niklas Bruckmoser, Kedar E. Honasoge, Leon …

   The authors demonstrate a way to make a microwave amplifier work across a broad range of frequencies without adding resonators to its material. They use an uneven magnetic field to alter the material’s response, offering a possible alternative to the …

Every weekday, the new papers in your categories, each with a short summary. See a whole paper alert →

This week’s preprints explore how to preserve quantum information, extend the reach of quantum measurements and distinguish impressive hardware from computational advantage.

5 papers put into perspective

1. A quantum memory that cools its own escape routes
2. Infrared fingerprints, read through different light
3. Keeping track of an almost-free mass
4. Why more detected photons need not mean harder computation

1. physics.opticsMolecular Gas Optics Using Vibrational Population Density RefractionDaniel Matteo, Sergei Tochitsky, Chan Joshi

   The authors used vibrationally excited carbon dioxide gas to steer a laser beam, rather than changing the gas temperature to control its optical properties. The method steers more than 90% of the beam and could support large, powerful optical components …

2. cond-mat.mes-hallNeutron Scattering studies of the density dependence of One-dimensional Quantum FluidsSutirtha Paul, Rahul Soni, Garfield Warren, Adrian Del Maestro, Paul E. Sokol

   The authors used neutron scattering to study one-dimensional liquid helium as the amount of helium in a porous material increased. They found that the liquid keeps the same density, suggesting that it grows longer rather than becoming denser.

3. cond-mat.mes-hallHidden Spin-Supercurrent Counterflow in Conventional SuperconductorsJohanne Bratland Tjernshaugen, Jacob Linder

   The authors show that a conventional superconductor can carry two opposing spin currents: one carried by ordinary excitations and one by the superconducting condensate. This hidden counterflow can make the ordinary spin current change across the material without losing total …

Every weekday, the new papers in your categories, each with a short summary. See a whole paper alert →

This week’s preprints explore how matter changes under extreme conditions, how quantum motion can be reversed, and when an X-ray measurement begins to disturb the electrons it seeks to reveal.

6 papers put into perspective

1. Carbon beyond diamond, caught in a crystal pattern
2. Watching superconducting electrons leave as a pair
3. Charged disturbances travel through a liquid crystal
4. A quantum round trip needs the right timing

1. hep-thMore physics at the entangling surface: boundary conditions and entanglement in 2d TQFTJackson R. Fliss, Alan Rios Fukelman, Stathis Vitouladitis

   The authors show how to define entanglement reliably in two-dimensional topological quantum theories, where splitting a system into parts can otherwise give misleading results. Their framework enables entanglement calculations across different theories and shows that entanglement can reveal phase differences …

2. gr-qcShaping black hole resonances II: Spectroscopic landscapes and interference in black hole ringdownAlejandro Svyatkovskyy Kholyavka, Sayak Datta, Jose Antonio León Vega, Xisco Ji…

   The authors study how different kinds of brief disturbances excite the ringing tones of a black hole. They find that the strongest response does not always occur when the disturbance’s frequency matches the tone, because different parts of the disturbance …

3. hep-thFour-charge Rotating AdS Black Holes in Gauged STU SupergravityLiang Ma, H. Lu

   The authors construct exact solutions describing rotating, charged black holes in a theory that includes a negative-curvature cosmic background. They calculate the black holes’ global and thermal properties and show that the limiting case agrees with a known result from …

Every weekday, the new papers in your categories, each with a short summary. See a whole paper alert →

From elusive particle decays to tractable models of quantum gravity, this week’s selection shows how precision measurements and carefully constrained calculations make hidden physics accessible.

6 papers put into perspective

1. A rare decay comes into view
2. A charm quark keeps its quiet cone
3. Revisiting a key ingredient of the muon’s magnetism
4. Mapping spin in swirling nuclear matter

1. bioRxiv: NeuroscienceDistinguishing evidence accumulation from choice confidence in neural signatures of perceptual decision makingD. Monakhovych, J. P. Grogan, S. P. Kelly, R. G. O'Connell

   Researchers changed what participants expected to see during a visual decision task and recorded their brain activity. The brain signal they studied was lower for decisions supported by valid cues, even after accounting for confidence, suggesting it tracks the accumulation …

2. q-bio.NCOptimization principles, revisitedWilliam Bialek

   This article revisits the idea that some brain functions can be understood as solutions to optimization problems. It discusses examples from insect vision and motion sensing, and argues that good performance does not always require finely tuned mechanisms.

3. q-bio.NCNeuromodulation Through Intrinsic NoiseSunghyun Koo, Jin Gyu Lee, Rodolphe Sepulchre

   This study examined how random fluctuations inside a simplified model neuron can change its responses. It found that noise in different feedback pathways has different effects, which could help engineers design brain-inspired systems that use noise productively.

Every weekday, the new papers in your categories, each with a short summary. See a whole paper alert →

This week’s preprints explore durable memories, signals of approaching disease, the reliability of consciousness tests, and unexpected links between genes, glia, pain and experience.

6 papers put into perspective

1. A changing hippocampus can still remember
2. A molecular warning before prion symptoms
3. When a consciousness test finds commands that were never given
4. Sleep’s genetic link to the brain’s insulation

1. bioRxiv: Cell BiologyThe yeast Gcn2 protein kinase mediates P-body formation both through its activity with eIF2α and with non-can…V. Stonys, S. Hubbard, M. P. Ashe, C. Grant

   The study examines how the yeast protein Gcn2 helps form P-bodies, structures that gather and regulate RNA when cells are stressed. It finds that Gcn2 acts both by slowing protein production and through another protein, Smu2, revealing two routes for …

2. bioRxiv: Cell BiologyCircadian Clock Coordination of the Notch-to-Wnt Signaling Switch Promotes Regenerative MyogenesisT. Kiperman, X. Xiong, J. Pangemanan, D. A. Horne, V. K. Yechoor, K. Ma

   This study investigated how the body's daily timing system helps muscle stem cells shift between signals needed for growth and signals needed for muscle formation. The researchers found that activating the clock-related mechanism improved muscle regeneration in dystrophic models, suggesting …

3. bioRxiv: Cell BiologyRCDome: A Multi-Database Human Gene Atlas of Regulated Cell DeathE. Rodrigues de Souza, V. dos Santos Lopes, H. Almeida Cordeiro Nogueira, E. Me…

   The authors assembled a human gene atlas that records evidence linking genes to forms of regulated cell death and makes the sources available for checking. Their analysis found that only a minority of listed gene links had evidence confirming a …

Every weekday, the new papers in your categories, each with a short summary. See a whole paper alert →

This week’s preprints explore how immune protection travels between generations, how microbes keep time and move genes, and how genomic evidence can overturn familiar histories.

6 papers put into perspective

1. A maternal legacy that limits damage rather than infection
2. The cattle family tree gets a different root
3. A cellular doorway for Langya virus
4. A familiar bacterium keeps its own time

1. physics.geo-phAn Idealized Model of Buoyant Gas Spreading and Silt Release beneath Rough Cave CeilingsSandy Hardian Susanto Herho, Dasapta Erwin Irawan, Rusmawan Suwarman, Deny Juan…

   The study models how air bubbles released by cave divers spread beneath rough cave ceilings and loosen dust that clouds the water. The model suggests that the first diver can stir up more dust than those following, while visibility can …

2. physics.geo-phD-TINs for Track-Sampled Ice Sheet Surface Reconstruction from Satellite Altimetry DataXiaoyu Xia, Noah Bergam, Abani Patra

   Satellite measurements of ice sheets are dense along flight paths but sparse between them, making it difficult to map the surface accurately. The study introduces a method that works directly with the measured locations and finds that it can produce …

3. physics.geo-phFirst-passage tests of anomalous transport closures in heterogeneous aquifersKe-Ming Shen, Yi-Xuan Liu

   The study tests models that predict when groundwater particles arrive after moving through aquifers with different levels of complexity. In these simulations, models representing multiple flow paths or varied waiting times performed better than a model based on one particular …

Every weekday, the new papers in your categories, each with a short summary. See a whole paper alert →

This week’s preprints trace how overlooked nutrients, human ignitions, fractured rock and computing choices can change our understanding of environments on Earth and beyond.

5 papers put into perspective

1. Antarctic plankton need more than iron
2. People start desert fires; plants help them spread
3. Listening for damage inside a mountainside
4. Why moonquakes keep ringing

1. math.PRSharp and explicit Berry--Esseen inequalities over convex setsMayya Zhilova

   The authors derive explicit bounds on how closely sums of independent random vectors follow a normal distribution across all convex regions. They also show how accuracy depends on sample size, dimension, and available moment information, including a threshold at the …

2. math.PRMean-field BSDEs with jumps under quadratic-exponential growthWeimin Jiang, Juan Li, Yan Shen

   This paper proves when a class of equations describing random processes with jumps and interactions through population distributions has unique solutions. It also gives conditions for solutions over longer time periods and a rule for comparing solutions, supporting further analysis …

3. math.OCState-constrained optimal control with the theory of functional connections: squared slacks and junction expo…Emmanuel Trélat, Daniele Mortari

   The paper presents methods for solving control problems where a system must stay within a safety boundary while also meeting specified conditions at the start and end. Its approach builds those restrictions into the candidate solutions, and a version that …

Every weekday, the new papers in your categories, each with a short summary. See a whole paper alert →

New preprints tackle magnetic correlations, statistical approximation and the geometry of efficient representations, revealing both sharp limits and unexpected room for improvement.

6 papers put into perspective

1. A magnetic prediction meets a probabilistic proof
2. The best lattice for rounding space
3. Normal approximation without a dimension-dependent constant
4. How evenly can points be divided?

1. cs.SERepository-Context-Guided Image Understanding for Agentic Software DevelopmentFumiki Yohena, Toshiaki Sota, Shota Suzuki, Tomoko Okamoto, Michiaki Tatsubori

   The paper helps coding agents interpret blurry screenshots by giving them clearer reference images rendered from the same software repository. In tests with deliberately degraded screenshots, these references improved the agents' ability to find the relevant source file and recognize …

2. cs.DCTwo-Tier Task Offloading for Satellite-Assisted Marine Networks: A Hybrid Stackelberg-Bargaining Game ApproachZhen Wang, Bin Lin, Qiang, Ye, Haixia Peng

   The authors propose a way to divide computing tasks between underwater vehicles, surface ships, and a satellite that provides computing services. Their simulations indicate that coordinating decisions and prices across these stages can outperform the comparison methods, potentially helping marine …

3. cs.SEJust AI Governance and the Forbidden-Boundary PrincipleNa Young Ahn

   This paper describes an automated system that rewrites Lean proofs while checking each change with the proof compiler and keeping spending under a set budget. In a 60-problem competition, it scored substantially above the reference proofs, and the authors report …

Every weekday, the new papers in your categories, each with a short summary. See a whole paper alert →

New preprints explore the information hidden in aircraft noise, the limits of quantum and economic advantage, and why apparently good software and energy forecasts can disappoint in practice.

6 papers put into perspective

1. An aircraft overhead can become a location clue
2. Security scanners can improve their scores without improving discrimination
3. A proposed boundary on unstructured quantum advantage
4. For the grid, uncertainty needs a timeline

1. econ.GNOptimal Regulation and Information Institutions with Hidden Network EquilibriaChristian Jaag

   The paper studies how a regulator should combine rules with ways of learning about hidden connections between households in a network. It compares government monitoring, signed certification, and audited reports, showing how the costs and reliability of information can change …

2. econ.EMInstrumental variables with treatment clustersDidier Nibbering, Matthijs Oosterveen, Pedro Luis Silva

   The paper examines what researchers can learn when they group several different treatments into broader categories before using an instrumental-variable analysis. It explains when this approach identifies causal effects and proposes checks researchers can use when detailed treatment data are …

3. econ.GNDynamic investment and coordination in teams: Theory and experimental evidenceDavid Gill, Victoria Prowse, J. Lucas Reddinger

   The authors study how teammates build skills that are useful specifically within their team, using a theory and a laboratory experiment. They find that teams invest less than is best overall, but incentives and team members’ characteristics influence investment and …

Every weekday, the new papers in your categories, each with a short summary. See a whole paper alert →

New preprints explore how infrastructure costs, industrial resilience, AI access and public attention reshape the choices available to households, firms and governments.

6 papers put into perspective

1. When free water connections make economic sense
2. After floods, carmakers add backup rather than retreat
3. An AI advantage for software defenders
4. Public attention can turn violence into a call for help