Your AI research companion

1. stat.MLFinite-Cadence Refresh Equilibria for Streaming Prior-Anchored Ridge: A Closed-Form Forgetting Window and Spe…Mrigank Shekhar Singh

   The paper studies how often a regression model should refresh its reference point when data keep changing. It derives rules for balancing adaptation to new data against noise, then tests an automated version on simulated settings and two real data …

2. cs.AIZugwise: Domain-Aware Game Reconstruction for Digitizing Handwritten Chess ScoresheetsGerhard Trippen

   The authors built a tool that reconstructs chess games from handwritten scoresheets by checking whether recorded moves make sense in the evolving game, rather than relying only on handwriting recognition and move legality. In replay tests, it reduced many errors …

3. cs.LGEEGDash Corpus: A Training-Ready Public Corpus for EEG Foundation ModelsKuber Shahi, Bruno Aristimunha, Arnaud Delorme

   The researchers gathered and standardized a large collection of publicly redistributable EEG recordings so others can train and check brain-signal AI models. Training a foundation model on this collection produced frozen representations with performance close to the released model on …

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.HEImpact of dynamical, quadratic, and higher-order tidal effects on gravitational-wave observations of binary n…Andrea Valletta, Francesco Crescimbeni, Takuya Katagiri, Francesco Pannarale, P…

   The authors added several complex effects of neutron-star tides to models of the gravitational waves produced as two neutron stars spiral together. They find that future detectors may be able to measure these effects, helping scientists infer the properties of …

2. astro-ph.HEA self-shadowing black hole accretion disk at sub-Eddington luminositiesM. Armas Padilla, T. Muñoz-Darias, J. Sánchez-Sierras, M. Shidatsu, D. Mata Sán…

   By observing a black hole binary as its outburst faded, the researchers found that its light changed from cool and rich in spectral features to hot and nearly featureless. They interpret this as a puffed-up inner disk blocking radiation from …

3. astro-ph.HEType Ia-CSM Supernovae. I. Uniform Light-Curve Characterization and Inference on the Underlying Type Ia Explo…Daichi Hiramatsu, Daichi Tsuna, Morgan MacLeod

   The researchers analyzed the light curves of 50 thermonuclear supernovae that are interacting with surrounding gas, the largest uniform study of this group to date. They found two broad groups with different energy and timescale patterns, while the underlying explosions …

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-phTowards Distributed Quantum Computing: Quantum Gate Teleportation via Satellite-Distributed Entanglement unde…Artur Czerwinski, Jakub J. Borkowski, Maciej Wiśniewski, Saeed Haddadi

   This study models how satellite-distributed entangled photons could help two separate quantum computers perform a shared operation. It finds that the operation’s accuracy depends on how well entanglement survives the atmosphere and on optical features such as receiver size.

2. quant-phSqueezed Light Generation by Cooper Pair Recombination in a Superconductor-Semiconductor StructureSima Buchbinder, Avi Koriat, Alex Hayat

   The authors theoretically propose a compact electrical device that could produce squeezed light through a process involving superconducting electron pairs. Their calculations suggest that the effect could be comparable to existing approaches under practical operating conditions, offering a possible route …

3. quant-phProbing Krylov Dynamics in Driven Many-Body SystemsAndrás Grabarits, Adolfo del Campo

   The authors solve a problem that previously made a measure of quantum information spreading difficult to use when a system is driven over time. Their results show how to calculate this measure for certain experimentally relevant systems, using quantities such …

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. cond-mat.mes-hallControlling the Vacuum: Tunable Magnonic Casimir Effect in Magnetic Moiré SystemsAlejandro Roldan, Dante Navarrete, Mario A. Castro, Sebastián Allende, Roberto …

   The authors show that changing the repeating pattern in a moiré magnet can change its quantum fluctuations and the force those fluctuations produce. This suggests a way to build a small engine powered by quantum fluctuations and a broader route …

2. cond-mat.softFatigue crack growth without plasticity under cyclically reversed shearE. A. Jagla

   The authors show that repeated back-and-forth shearing can slowly extend a crack even when the material deforms elastically and has no friction or time-dependent effects. This identifies a simple way fatigue damage can arise, potentially relevant to interfaces and materials …

3. cond-mat.mtrl-sciHigh-Fidelity In Silico Dataset of Ordered Binary and Ternary MXenes with Predictive Synthesis GuidanceAhmed H. Biby, Charles B. Musgrave

   The authors calculated the stability of 1,040 possible MXene materials, a family of thin materials whose properties depend on their atomic makeup and arrangement. Although none is stable under ordinary equilibrium conditions, the calculations identify conditions that could make some …

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-phCosmological Magnetic Fluctuations: Positivity Bounds and QCD ContributionsAhmadullah Zahed

   The authors derive limits on how large thermal magnetic fluctuations in the universe can be without assuming a particular detailed spectrum. They also estimate the contribution from a prominent QCD resonance, providing examples that help test the limits.

2. hep-phStrongly supercooled first-order phase transitions: monopole abundance, entropy production and homogeneity co…Chen Zhang, Yue Niu, Xin Zhang

   The authors study whether a strongly delayed early-universe phase change can reduce the number of magnetic monopoles it produces, and whether that scenario remains cosmologically consistent. They find that very large reductions are possible in the model, but may rely …

3. hep-phSuSy and CoDy Radiation from Evaporating Black HolesGiacomo Cacciapaglia, Francesco Sannino, Paola Simone, Vania Vellucci

   The authors calculate the light and neutrinos expected from black holes as they evaporate, including possible new particles and several alternative descriptions of black-hole geometry. They find that these ingredients can leave different spectral patterns, suggesting that both types of …

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. q-bio.NCPyramidal Columns Acting as Attention HeadsFabrizia Giulia Garavaglia, Marco Giunti

   This paper asks whether groups of language-related brain cells could carry out a function similar to the attention mechanism used in language software. It proposes possible biological ways this might work, while stressing that whether those arrangements exist in the …

2. q-bio.NCOptogenetic Modulation Fraction: A Robust Opsin-Presence Effect and an Unresolved Cell-Type Question, by Cens…Siddhardha Nanda

   The researchers reanalyzed public recordings to test how light-sensitive proteins affect neural firing and whether different cell groups respond differently. The protein’s presence consistently increased the share of units affected by light, but several proposed differences between cell types were …

3. q-bio.NCAnalysis choices decide whether untrained networks beat trained ones at V1: a multiverse analysis of model-br…Nils Leutenegger

   The researchers rechecked claims that untrained image-recognition networks can explain visual-cortex activity as well as trained ones. They found that the answer changes with analysis choices, and that trained networks generally did better when comparisons focused on centered patterns.

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. q-bio.BMAI for Biologists: The Knowledge Boundaries of Foundation Models in the Age of Agentic SystemsTian Cai, Andrew Kleist, Jaimin Patel, Duccio Malinverni, Alexander K. Taylor, …

   This review examines when biological AI models and AI assistants can be trusted to answer research questions. It proposes a way to describe the limits of their reliability so biologists can use these tools more safely.

2. q-bio.BMCupOFMoCA: Coupled Objective-Guided Discrete Flows for Molecular Conjugate AssemblyRuoxi Rosie Zhang, Ziang Li, Jiatao Gu, Pranam Chatterjee

   CupOFMoCA generates linked drug molecules while checking that their parts fit together chemically, rather than designing each part separately and joining them later. Tests on peptide-drug conjugates and PROTACs found more valid assemblies than several comparison methods, which could help …

3. q-bio.BMSilscore: modelling siRNA potency with positional thermodynamics and data-selected nucleotide-identity termsGiuseppe Sacco, Isabella Baldini, Riccardo Paone, Mattia Capulli, Guido Sanguin…

   The researchers created a compact model to predict how well gene-silencing RNA molecules work, using both their binding energies and selected sequence details. It performed strongly across several test settings, including tests on different targets, while keeping its predictions relatively …

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. astro-ph.EPOGLE Pre-discovery Observations of the Dwarf Planet Candidate 2026 ED138P. Mróz, A. Udalski, I. Soszyński, M. K. Szymański, P. Pietrukowicz, R. Poleski…

   Researchers searched old telescope images and found 102 observations of the distant object 2026 ED138, which had escaped earlier surveys while passing through crowded parts of the sky. These observations provide precise brightness and position measurements and tentative estimates of …

2. astro-ph.EPA Joint Study of Epoch Astrometry and Radial Velocities of Gaia-4bShubham Kanodia, Suvrath Mahadevan, Gudmundur Stefansson, Domenico Barbato, Joe…

   Researchers combined Gaia’s measurements of a star’s position shifts with 44 measurements of its motion toward and away from us to refine the properties of the planet Gaia-4b. The joint analysis gives a more precise planet mass and finds no …

3. astro-ph.EPStellar-Field-Driven Induction Heating Unlikely To Cause Significant Heating in Giant ExoplanetsMadison Brady, Darryl Z. Seligman, Cassidy Walker

   Researchers estimated how much heat changing stellar magnetic fields could generate inside known giant exoplanets. They found that this effect is unlikely to noticeably heat most of them, though it could matter for an eccentric, tilted planet orbiting a very …

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.STThe exact region of the Average Rectangular Volume and Spearman's rho, with an application to arachnitudeLuca Anzilli, Fabrizio Durante

   The authors find all possible combinations of two ways of describing dependence between two variables: average rectangle-based dependence and rank correlation. They also show that a measure used in insurance practice is just a rescaled version of the rectangle-based measure.

2. math.STTwo-sample Behrens-Fisher problems for high-dimensional data: noncentral normal-reference inferencePengfei Wang

   This paper studies how to compare two groups when measurements are numerous, their variability differs, and the groups may have different sample sizes. It gives conditions for reliable statistical conclusions and a way to certify those conclusions even when the …

3. math.PRWhat the occupation law of a finite Markov chain determines: time reversal and principal minorsArjun Pemmasani

   The authors ask how much can be learned about a Markov chain's transition rules by observing how long it spends in each state. They show that this observation usually identifies the rules up to specific reversals, and connect the same …

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.SEDiscovering the Relation Between Architectural Models and Reference ArchitecturesThi Dinh Tran, Maria Teresa Rossi, Ludovico Iovino, Leonardo Mariani

   The paper develops a method to match parts of a software design to the corresponding parts of a reference design. Tested on open-source examples from three fields, it matched components more accurately than the comparison methods, helping teams check whether …

2. cs.SEWhen Evaluators of AI Agents Disagree: An Empirical Study of Native Scoring, LLM Judges, and Commit-Boundary …Sungbin Im

   The paper compares ways to judge whether AI agents completed tasks correctly, including automated judges and a simple check of whether their data changes were allowed. In tests, the simple check caught forbidden actions that the language-model judges often approved, …

3. cs.SEDesigning Collaborative Virtual Environments for Software Engineering EducationFilipe Fernandes, Cláudia Werner

   The paper presents MetaSEE, a browser-based virtual environment for teachers and students to inspect and work with software models together. Its evaluations point to possible value in shared modeling, but also highlight usability problems and do not show that it …

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.EMLost in the Bins: Treatment Effects with Discretized CovariatesCenchen Liu

   The paper studies what can go wrong when researchers group detailed personal or household information into broad categories before comparing treated and untreated groups. It derives bounds that account for this loss of detail and applies them to estimates of …

2. econ.EMIdentification of Rational Inattention-Additive Random Utility ModelsDennis Kristensen, Ruolei Zhu

   The paper introduces a model of choices in which people have limited attention and also differ in unobserved ways. It shows that some features of the model can still be recovered from choice data even when the researcher does not …

3. econ.GNThe Rebundling of Freelance Work in the AI AgeCaroline Chin, Shagun Kala, Nadav Kunievsky, Teng Liu, Alex Martin Richmond, Ca…

   The paper compares what people do with ChatGPT to the freelance work clients post on Upwork, including how tasks are grouped into projects. It finds that AI is changing both which tasks clients outsource and how they bundle those tasks …

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