Your AI research companion

1. cs.LGGenerative Reconstruction of Full-Field Sensor States for Safety-Critical Digital TwinsUmme Mahbuba Nabila, Linyu Lin, Majdi I. Radaideh

   The authors compare methods for filling in missing temperature readings in a test facility where sensors can fail or drift. Generative models, especially those that account for sensor locations and changes over time, reconstruct temperatures accurately even when many readings …

2. cs.LGRethinking Data Selection as Distribution Matching on Semantic ManifoldsPeng Sun, Yi Yang, Mingshuo Chen, Chunxiao Li, Yao Zhu, Huawen Shen et al.

   The authors develop a way to select smaller, cleaner training datasets while keeping them representative of the full dataset. Across many language and vision-language tasks, their method often performs better than existing selection methods and sometimes even beats training on …

3. cs.LGEmbedding Consistent Recurrent Neural Networks in Finite Element Simulations for Path-Dependent Damage Predic…Muhammed Adil Yatkin, Mihkel Kõrgesaar, Hasan Kurban

   The authors embed recurrent neural networks that predict material damage directly into a finite-element simulation of a steel plate. They show that one network gives consistent predictions as the simulation’s step size changes, an important requirement for reliable use in …

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

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.GAConstraining Dust Attenuation Curves in Star-Forming Galaxies at Cosmic Noon Using Multiple Emission Line Rat…Owen Zafuta, Joseph Havens, Bren E. Backhaus, Allison Kirkpatrick, Gregory Troi…

   The researchers use several hydrogen emission lines to measure how dust dims light in 386 star-forming galaxies, allowing the dust effect to vary from galaxy to galaxy. Their approach gives more consistent estimates of star formation than standard dust corrections, …

2. astro-ph.COAnisotropic three-point statistics of the peculiar velocity and galaxy density fields: modelling in Fourier a…M. Guidi, A. Farina, A. Nusser, E. Branchini

   The authors build a model for how cosmic motions and galaxy positions are linked in groups of three, and test its predictions in two ways of describing the data. The model identifies patterns that could help astronomers extract extra information …

3. astro-ph.COPrimordial or Post-Inflationary: Distinguishing the Origin of Scale-Dependent Features in the CMBMatteo Braglia, Wenzer Qin, Xingang Chen, Tracy R. Slatyer

   The authors test whether patterns in the cosmic microwave background can distinguish signals created in the very early universe from effects that happened later. For the examples they study, the two sources leave sufficiently different patterns that they are not …

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

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-phHarnessing dimensional leakage for continuous-variable randomness certificationMoisés Alves, Tailan S. Sarubi, Vitor L. Sena, Alexandre B. Tacla, Rafael Chaves

   The authors show that averaging over many possible inputs can make a quantum randomness test more tolerant of states that leak outside their intended space. This makes it possible to certify some randomness using accessible optical equipment and low-squeezing light.

2. quant-phExploring topological signatures of quantum Fisher information scaling in graph statesMajid Hassani, Patrick Emonts, Jordi Tura

   The study tests whether simple measures of a graph's shape can predict whether a graph-based quantum state is useful for precise measurement. Computer experiments show that shaping graphs can create useful states, but those measures alone do not reliably determine …

3. quant-phUniversality in Quantum Many-Body Spin RatchetsAndrea Azzali, Marko Ljubotina

   The authors prove that a particular directed flow of spin is the same across a broad class of quantum circuits, even when the circuits are not integrable. They also show that breaking the circuits' regular spatial pattern causes the flow …

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

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. cond-mat.mtrl-sciJackknife-conformal uncertainty for linear ACE potentials: calibrated forces and silicon properties compared …James R. Kermode

   The researchers develop a way to estimate how uncertain the predictions of a learned model of atomic forces are, accounting for errors the model itself may systematically make. Tested on silicon, the method gives useful uncertainty ranges for many material …

2. cond-mat.softDevitrification: crystal nucleation and growth mechanisms in glassesMax Brown, Peter Wolynes

   The paper uses a theory of glassy materials to explain how a glass can later crystallize, from ordinary crystal formation to tiny crystals forming inside it. It argues that uneven stability within the glass can create pathways that speed crystallization …

3. physics.opticsModulation Induced Memory Resonances in Dynamically Driven Optical CavitiesFaizan H. Lone

   The study models how an optical cavity responds when its resonant frequency is periodically changed. It finds that light inside can depend on the cavity’s recent history, which may help control light and its interactions with matter.

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

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-phObserving Transverse Momentum Broadening from TEECs in Heavy Ion CollisionsJoão Barata, Hai Tao Li, Andrey V. Sadofyev, João M. Silva

   The researchers calculate how a hot medium created in heavy-ion collisions can spread the momentum and energy of jets, using correlations in the jets’ energy flow. They find that momentum broadening and radiation weaken the sharp back-to-back pattern, while energy …

2. hep-phSoft-gluon effective coupling for massive quarksLuca Bason, Simone Devoto, Andrea Ghira, Simone Marzani, Pier Francesco Monni, …

   The paper extends a way of describing soft radiation from particle collisions to cases where the emitting particles are massive. This provides ingredients for more precise calculations of processes involving heavy quarks and for improving simulations of particle showers.

3. gr-qcConstraints on Quintom Dark Energy Model with Matter InteractionChakkrit Kaeonikhom, Theppawan Rukpakawong, Piyabut Burikham

   The researchers compare a dark-energy model with observations of the expanding universe, allowing two fields to interact with matter. Their results show how the inferred expansion rate changes with the data used, and find that the model can also yield …

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

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: NeurosciencePersistent hippocampal traces of lifelong spatial memoryJ. Wu, M. Meister, C. Lois

   Mice remembered routes through a maze even after being away for months, and repeated visits made their behavior more efficient. Although many individual hippocampal neurons changed their preferred locations, population patterns and activity near the reward remained linked to memory …

2. bioRxiv: NeuroscienceA biological light sheet links cellular voltage to mesoscopic brain dynamicsT.-W. Chen, B.-J. Lin

   The authors developed a way to image fast electrical activity across large sheets of brain tissue by limiting where a fluorescent indicator is produced. This lets standard microscopes record many neurons at once and reveals waves of activity that coordinate …

3. bioRxiv: NeuroscienceNext generation Human Neocortical Neurosolver model with biophysically realistic somatic, dendritic and synap…K. Duecker, A. Soplata, N. Tolley, S. Pugliese, T. A. E. Jones, C. Kandpal et a…

   The authors updated a computer model of human brain circuits using newer measurements from human brain tissue. The model includes activity in cell bodies, connections, and branches of neurons, helping researchers investigate how these processes contribute to signals measured outside …

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

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. medRxiv: Infectious DiseasesThe Efficacy of Cefazolin and Ertapenem combination treatment for Persistent MSSA Bacteraemia: A ten-year mul…A. Lane, K. Hay, S. Sivakumaran, H. Dolby, S. Winlaw, D. Wise et al.

   Researchers compared cefazolin plus ertapenem with other treatment in adults with persistent MSSA bloodstream infections at two hospitals. The combination was associated with faster clearance of bacteria from blood, but the study did not find a difference in death or …

2. medRxiv: Infectious DiseasesVitamin D supplementation to prevent tuberculosis infection and disease: systematic review and individual par…D. A. Jolliffe, K. Middelkoop, D. Ganmaa, B. Irmuun, J. D. Sluyter, C. R. Sudfe…

   Researchers combined individual data from four clinical trials to test whether vitamin D supplements prevent tuberculosis infection or illness. They found no clear reduction in either outcome, helping clarify that supplementation alone is not established prevention in the populations studied.

3. bioRxiv: Cell BiologyPlatycodin D2 Targets Vimentin to Suppress Fibroblast-Myofibroblast Transition: A Novel Therapeutic Strategy …X. Lang, Z. Ma, C. Yao, X. Miao, Y. Kao, W. Wang et al.

   The authors found that platycodin D2, a compound from Platycodon grandiflorus, binds to vimentin, a protein involved in lung scarring. In cell and mouse models, the compound reduced scar-forming changes and lung fibrosis, suggesting a possible direction for developing treatments.

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

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.ao-phThe Re-Foundation of Radar MeteorologyMassimiliano Ignaccolo, Carlo De Michele

   The authors developed a way to estimate rainfall from radar that accounts for different raindrop populations that can produce similar radar readings. Tested against measurements from rain-drop instruments worldwide, it had lower median error dispersion than two comparison methods, suggesting …

2. physics.geo-phReconstruction of Global Groundwater Storage Anomaly from GRACE Satellite Gravimetry Using a Physics-Constrai…Arpon Sarkar, Showmitra Kumar Sarkar, Mafrid Haydar

   The researchers used satellite measurements and a physics-informed machine-learning model to estimate changes in groundwater around the world from 2002 to 2022. Their estimates suggest substantial depletion in areas where groundwater is falling, and provide a continuous record that can …

3. astro-ph.EPTitanMPAS - a new global and regional Titan atmospheric circulation model. Part I: Global model resultsYuan Lian, Mark I. Richardson, Claire E. Newman, Martin A. Cordiner

   The researchers built a new computer model to simulate Titan’s winds, temperatures, and methane cycle, then ran it for more than 100 Titan years. It reproduces several spacecraft observations and seasonal methane patterns, helping scientists study how Titan’s atmosphere works …

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

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.OCBranch-Extended Automatic DifferentiationJan Hückelheim, Jeffrey Larson, Matt Menickelly

   The authors created software that automatically computes gradients for alternative branches of functions with kinks, such as absolute value or maximum. Their tests show accuracy comparable to hand-written derivatives, and using these gradients helped a solver avoid failures or reduce …

2. math.PRA tractable transition function for the Wright-Fisher diffusion with selection via gamma dualityJaromir Sant, Paul A. Jenkins, Matteo Ruggiero

   The authors develop a more practical way to calculate how allele frequencies change over time in an evolutionary model that includes selection and mutation. Their method also supports simulation and can be used across numbers of alleles and selection strengths …

3. math.PRInteracting Urn Schemes on Infinite Graphs: A Representation ApproachAntar Bandyopadhyay, Deborshi Das

   This study extends models of reinforced choices, such as urns in which frequent colours become more likely, to infinitely many interacting urns arranged on a graph. A new representation proves that colour proportions converge under standard conditions even when the …

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

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.DSDifferentially Private All-Pairs Min Cut ValuesAnders Aamand, Justin Y. Chen, Mina Dalirrooyfard, Slobodan Mitrović, Sandeep S…

   The paper gives a way to privately publish estimates of the minimum number of edges separating every pair of vertices in a weighted network. It reduces the error from roughly proportional to the number of vertices to roughly proportional to …

2. cs.CRAutoPYara: Next-Gen YARA Rule Generator for Malware Family ClusteringMabon Ninan, Nhat Nguyen, Soumyajyoti Dutta, Sidharth Anil, Marcus Botacin

   The authors introduce software that automatically creates YARA rules for grouping malware samples into families. It is designed to handle variation within a family and noisy groupings, and its tests show better coverage and threat-hunting accuracy than the earlier tool.

3. cs.DSWeighted and Unweighted Online Connectivity Augmentation via Geometric Hitting SetDaniel Hathcock, Aditya Subramanian, Seeun William Umboh, Michael Zlatin

   The paper develops algorithms for adding links to a network as new cuts arrive, so that the network stays connected across those cuts. It gives nearly optimal performance for weighted links and optimal performance for unweighted links, and shows that …

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

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. q-fin.STThe End-of-Day Reversal After 2019: A Pre-Registered Test on S&P 500 Stocks Excluding Heavily Traded NamesAlex Vidovich, Zivana Zerjal

   The paper tests whether stocks that fall behind during the day tend to outperform those that rose during the final half hour, using later data and excluding heavily traded stocks. The reversal appears in both the earlier and later periods, …

2. econ.GNThe Network Adaptive Market Hypothesis: Detection, Attribution, and Network-Mediated EfficiencyHitesh Kumar Sahu, Avishek Bhandari, Ipsita Parida

   The paper studies how information and predictability move among major stock and commodity markets from 2001 to 2026. It finds that market connections vary with geography, asset type, and crises, offering a way to think about market efficiency as something …

3. econ.EMInstant Payments After a Betting Ban: Evidence from BrazilRafael Voigtel, Guilherme Vianna

   The paper examines whether Brazil's nationwide betting ban was followed by changes in Pix instant payments. Under the authors' linear-trend model, both the number and value of payments were below forecast during the 37 days after the ban.

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

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