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d91ede59d3716db38c37f8c394ed6232e117c01bff7c2ea0064c461cacc6ff1a | 2026-01-23T00:00:00-05:00 | Out-of-Sample Validation of MagNet | arXiv:2601.15926v1 Announce Type: new Abstract: Machine learning is starting to be used in almost every industry and academic research, and solar physics is no exception. A newly developed machine learning model named MagNet helps us to tackle some of the most serious challenges in data mining by generating transverse ... | https://arxiv.org/abs/2601.15926 | Academic Papers | svg |
acbb48bfe8c2ef08fd54ec09057625a715ab41ebe2e9ab0257f9b4fcaade527a | 2026-01-23T00:00:00-05:00 | Hot and cloudy: High temperature clouds in super-Earths and sub-Neptunes | arXiv:2601.15927v1 Announce Type: new Abstract: JWST observations provide for the first time evidence for an atmosphere on a rocky exoplanet - 55 Cnc e. The atmosphere of 55 Cnc e is hot with $\text{T}_{\text{eq}}>2000$K and shows strong variability, for which cloud formation above a molten crust could be one possible ... | https://arxiv.org/abs/2601.15927 | Academic Papers | svg |
13d35abfdc9667ce88e3b72d510bb433e79b7760a398c67e5f61150198c7c051 | 2026-01-23T00:00:00-05:00 | Enhancing Thermal Sunyaev-Zel'dovich Analyses with Digital Twins of the Local Universe | arXiv:2601.15935v1 Announce Type: new Abstract: The thermal Sunyaev-Zel'dovich (tSZ) effect provides a powerful probe of the thermal pressure of ionised gas in galaxy clusters and the cosmic web; constrained simulations reconstruct the mass and velocity fields of the local Universe. We explore how these two may be mutu... | https://arxiv.org/abs/2601.15935 | Academic Papers | svg |
e66ddd59c5f3225152ebc545391a9902dcdd7db3a6a5d195b5c4bb69237207b6 | 2026-01-23T00:00:00-05:00 | A 2 au resolution view by ALMA of the planet-hosting WISPIT 2 disk | arXiv:2601.15948v1 Announce Type: new Abstract: We present deep, high spatial resolution interferometric observations of 0.88 mm continuum emission from the TYC 5709-354-1 system, hereafter WISPIT 2, obtained with the goal of detecting circumplanetary emission in the vicinity of the newly discovered WISPIT 2b planet. O... | https://arxiv.org/abs/2601.15948 | Academic Papers | svg |
ec8b2da6cf1ad3477aa5c903605edf9d112125ba7427d3a70a855eb45f3ec6f5 | 2026-01-23T00:00:00-05:00 | JWST Advanced Deep Extragalactic Survey (JADES) Data Release 5: NIRCam Imaging in GOODS-S and GOODS-N | arXiv:2601.15954v1 Announce Type: new Abstract: We present the Near Infrared Camera (NIRCam) imaging products of the fifth data release (DR5) of the James Webb Space Telescope (JWST) Advanced Deep Extragalactic Survey (JADES). The JADES survey is one of the most ambitious programs yet conducted on JWST, producing deep ... | https://arxiv.org/abs/2601.15954 | Academic Papers | svg |
af88466012f732cdeffb50bc16f86325e40653806e7538bacff4815c0eeb2864 | 2026-01-23T00:00:00-05:00 | JWST Advanced Deep Extragalactic Survey (JADES) Data Release 5: MIRI Coordinated Parallels in GOODS-S and GOODS-N | arXiv:2601.15955v1 Announce Type: new Abstract: Medium to ultra-deep mid-infrared imaging surveys with the James Webb Space Telescope (JWST)'s Mid-Infrared Instrument (MIRI) are reframing our view of the early Universe, from the emergence of ultra-red dusty and quiescent galaxies to the epoch of reionization to the fir... | https://arxiv.org/abs/2601.15955 | Academic Papers | svg |
f59a822e857669b3e8ac46acb256977270bcab8ba94645596f0241fe9127b32a | 2026-01-23T00:00:00-05:00 | JWST Advanced Deep Extragalactic Survey (JADES) Data Release 5: Photometric Catalog | arXiv:2601.15956v1 Announce Type: new Abstract: JADES Data Release 5 (DR5) photometric catalogs and describes the methodologies used for source detection, deblending, photometry, uncertainty estimation, and catalog curation. The catalogs are constructed from 35 space-based imaging mosaics obtained with JWST/NIRCam, JWS... | https://arxiv.org/abs/2601.15956 | Academic Papers | svg |
a19112a3be1a46eb690a42e49b0bc4d3c21d645016675d5ca47e0d81cbe9e3bb | 2026-01-23T00:00:00-05:00 | JWST Advanced Deep Extragalactic Survey (JADES) Data Release 5: Catalogs of inferred morphological properties of galaxies from JWST/NIRCam imaging in GOODS-N and GOODS-S | arXiv:2601.15957v1 Announce Type: new Abstract: We present morphological parameters and their uncertainties for all sources detected in JWST/NIRCam imaging in GOODS-N and GOODS-S from the JWST Advanced Deep Extragalactic Survey (JADES) catalogs. We model the surface brightness profiles of these sources with single-comp... | https://arxiv.org/abs/2601.15957 | Academic Papers | svg |
bbd2ed12096d605b04af20161adb97fcc5b9b1b07da050d62155f32ccd836805 | 2026-01-23T00:00:00-05:00 | JWST Advanced Deep Extragalactic Survey (JADES) Data Release 5: Wisp Subtraction with the Non-negative Matrix Factorization Algorithm | arXiv:2601.15958v1 Announce Type: new Abstract: Wisps are among the most prominent scattered light artifacts in JWST/NIRCam imaging. They often appear in certain regions of the detectors and contaminate observations at surface-brightness levels relevant for faint-source photometry. We introduce a new subtraction method... | https://arxiv.org/abs/2601.15958 | Academic Papers | svg |
ac0ad77347e5fb3b17c2f14a5bdae451041a52e5bcf6e0a970c5af6903a94bab | 2026-01-23T00:00:00-05:00 | JWST Advanced Deep Extragalactic Survey (JADES) Data Release 5: Photometrically Selected Galaxy Candidates at z > 8 | arXiv:2601.15959v1 Announce Type: new Abstract: We present a sample of 2081 sources selected at photometric redshift $z_{\mathrm{phot}} > 8$ across the JADES DR5 data release in GOODS-S and GOODS-N over a total area of 469 square arcmin. These sources range from $M_{\mathrm{UV}} = -22$ to $M_{\mathrm{UV}} = -16$, with ... | https://arxiv.org/abs/2601.15959 | Academic Papers | svg |
397bb0fc6a95ea7e2075b3e1d8b0a9cb21bb4ffb644fc2f4f6346b7fb2c0c3b6 | 2026-01-23T00:00:00-05:00 | JADES: A Prominent Galaxy Overdensity Candidate within the First 500 Myr | arXiv:2601.15960v1 Announce Type: new Abstract: We report a galaxy overdensity candidate at $z\approx 10.5$ in the JWST Advanced Deep Extragalactic Survey (JADES). This overdensity contains 18 galaxies with consistent photometric redshifts and robust F115W dropouts within 8 comoving Mpc in projection. The galaxy number... | https://arxiv.org/abs/2601.15960 | Academic Papers | svg |
743814326d9f856ffa652554701e42968c8b224eee0312f2add5a4de241a71a0 | 2026-01-23T00:00:00-05:00 | JADES: Discovery of Large Reservoirs of Small Dust Grains in the Circumgalactic Medium of Massive Galaxies at $z\sim3.5$ through Deep JWST/NIRCam Imaging and Grism Spectroscopy | arXiv:2601.15961v1 Announce Type: new Abstract: Using JWST NIRCam imaging and grism spectroscopy from the JWST Advanced Deep Extragalactic Survey (JADES) Origins Fields, we report spectroscopic redshift measurements of 1,445 emission-line galaxies at $z=0-9$. Within this sample, we identify two prominent galaxy protocl... | https://arxiv.org/abs/2601.15961 | Academic Papers | svg |
0bbb26cae2c846c7e35eb907015c09704e45660ba149c24f2b4be511cb1caa4d | 2026-01-23T00:00:00-05:00 | Undermassive Hosts of $z = 4-6 $ AGN from JWST/NIRCam Image Decomposition with CONGRESS, FRESCO, and JADES | arXiv:2601.15962v1 Announce Type: new Abstract: In the local Universe, supermassive black hole (SMBH) masses strongly correlate with their host-galaxies' stellar masses ($M_{*}$), but galaxies hosting faint AGN recently found by JWST may deviate from this relation. To constrain the M$_{\text{BH}}$-M$_{*}$ relation at h... | https://arxiv.org/abs/2601.15962 | Academic Papers | svg |
7b7fd0a4eb5255b7bc4058de925067c2bb5d501f81da3ba78aed5638dc2b1c31 | 2026-01-23T00:00:00-05:00 | There Is More to Outshining: 2D Dust Effects on Stellar Mass Estimates at $3 \leq z < 9$ with JWST in the JADES Field | arXiv:2601.15963v1 Announce Type: new Abstract: Dust attenuation modifies the observed spectral energy distribution (SED), leading to biases in the properties inferred from integrated SED fitting. As spatially resolved SED modeling becomes feasible for large high-redshift samples, it is increasingly important to assess... | https://arxiv.org/abs/2601.15963 | Academic Papers | svg |
4c9992bc78b87781877ea086ff0ab298598c6d8a456df468aeaf7622d81ad902 | 2026-01-23T00:00:00-05:00 | JADES: Evolution of nitrogen abundances in star-forming galaxies from z ~ 1.5-7 | arXiv:2601.15964v1 Announce Type: new Abstract: We present nitrogen abundance measurements based on the low-ionisation [NII]6583 emission line for 588 galaxies between 1.5-1.1) at low-metallicity (12+log(O/H)-0.6, abundances that are typical of high-redshift NIII]- and NIV]-emitters. This demonstrates that the extreme ... | https://arxiv.org/abs/2601.15964 | Academic Papers | svg |
00539d3f968cab89f56b7db450d5d9cecb220ef47c73b1008d5ef2fe2386e253 | 2026-01-23T00:00:00-05:00 | Clump-like Structures in High-Redshift Galaxies: Mass Scaling and Radial Trends from JADES | arXiv:2601.15965v1 Announce Type: new Abstract: Massive star-forming clumps are a prominent feature of high-redshift galaxies and are thought to trace gravitational fragmentation, feedback, and bulge growth in gas-rich disks. We present a statistical analysis of clump-like structures in $\sim$3600 galaxies spanning $2 ... | https://arxiv.org/abs/2601.15965 | Academic Papers | svg |
6441a973afb2b95c6dc1f00b707f375a1b5aa3c018087f834ab2c1ebb5b6d9be | 2026-01-23T00:00:00-05:00 | Gaia20fnr: A binary-lens microlensing event with full orbital motion revealed by four space telescopes | arXiv:2601.15969v1 Announce Type: new Abstract: The microlensing event Gaia20fnr is a long-duration, non-caustic-crossing binary-lens event at high Galactic latitude. Triggered by a photometric rise detected by the Gaia space mission, the event was followed up with observations from multiple ground-based facilities and... | https://arxiv.org/abs/2601.15969 | Academic Papers | svg |
d1cfa61e29d7d3ec0b7cd0f71975730c20dcc04dbae739574487184498357b8d | 2026-01-23T00:00:00-05:00 | HE0144-4657: A Carbon-Enhanced Ultra Metal-Poor Star ([Fe/H] ~ -4.1) from the Helmi Stream Disrupted Dwarf Galaxy | arXiv:2601.15974v1 Announce Type: new Abstract: We present the discovery of HE0144-4657, an ultra metal-poor, CNO-enhanced star dynamically associated with the Helmi Stream disrupted dwarf-galaxy remnant. This star was first identified as a carbon-enhanced, metal-poor star candidate from the Hamburg/ESO objective-prism... | https://arxiv.org/abs/2601.15974 | Academic Papers | svg |
f104ecd8286f7b5d75eb4b4b433a06a9cf9392398de9c12b0225be53205d533e | 2026-01-23T00:00:00-05:00 | Extreme line profile variations in the repeating changing-look active galactic nucleus IRAS23226-3843 | arXiv:2601.15979v1 Announce Type: new Abstract: IRAS23226-3843 has been identified as a highly variable Seyfert galaxy and even as a changing-look active galactic nucleus based on optical spectra. Here we present follow-up observations - taken over the past five years - for examining the ongoing photometric and spectra... | https://arxiv.org/abs/2601.15979 | Academic Papers | svg |
347c98dbf0ea13944c75520a5b22136c91ecb37ee86525e68acc0c98e37ab20c | 2026-01-23T00:00:00-05:00 | A multi-wavelength approach of AGN feedback in LINERs: The case of NGC 4438 | arXiv:2601.15991v1 Announce Type: new Abstract: The presence of multi-phase outflows in low ionisation nuclear emission-line regions (LINERs) has been confirmed to be frequent, but the mechanisms that launch them are still under study. We aim to explore the connections between the ionised gas outflow, radio continuum s... | https://arxiv.org/abs/2601.15991 | Academic Papers | svg |
2aabe78fb981e9cba5d3c679de991fbcacacb5df7cf5c850ca23b66e6d6fd1c8 | 2026-01-23T00:00:00-05:00 | SVOM discovery of a strong X-ray outburst of the blazar 1ES~1959+650 and multi-wavelength follow-up with the Neil Gehrels Swift observatory | arXiv:2601.15994v1 Announce Type: new Abstract: On December 6, 2024, 1ES 1959+650, one of the X-ray brightest blazars known, underwent a high-amplitude X-ray outburst detected by SVOM, the first such discovery with this mission. The source was subsequently monitored with SVOM and Swift from December 2024 to March 2025.... | https://arxiv.org/abs/2601.15994 | Academic Papers | svg |
439dc14ca1ee5b0928bdf57d2fcfc92165e26766719ce243ec8b76af8f6b610f | 2026-01-23T00:00:00-05:00 | Spatially resolved stellar-to-total dynamical mass relation: Radial variations, gradients and profiles of galaxy stellar populations | arXiv:2601.16019v1 Announce Type: new Abstract: Although galaxy evolution is governed by the interplay between baryonic physics and dark matter halo assembly, how halo properties shape observed galaxies remains unclear. With current challenges in measuring halo properties, the stellar-to-total dynamical mass relation i... | https://arxiv.org/abs/2601.16019 | Academic Papers | svg |
37ce1d882d9c9b80733fe8faefc7e02dc8af8350e1a28825f8009efea9047fa1 | 2026-01-23T00:00:00-05:00 | Modeling the Impact of Unresolved Stellar Companions on Detection Sensitivity in Kepler's Small Planet Occurrence Rates | arXiv:2601.16031v1 Announce Type: new Abstract: Unresolved stellar companions can cause both under-estimations in the radii of transiting planets and over-estimations of their detectability, affecting our ability to reliably measure planet occurrence rates. To quantify the latter, we identified a control sample of 198 ... | https://arxiv.org/abs/2601.16031 | Academic Papers | svg |
966982504ff9952b506210a0c932c5016a26176539889abed204d35380fa2cc3 | 2026-01-23T00:00:00-05:00 | Unveiling the Spectral Morphological Division of Fast Radio Bursts with CHIME/FRB Catalog 2 | arXiv:2601.16048v1 Announce Type: new Abstract: Fast radio bursts (FRBs) are commonly divided into repeating and apparently non-repeating sources, but whether these represent distinct physical populations remains uncertain. In this work, we apply an unsupervised machine learning methods combining Uniform Manifold Appro... | https://arxiv.org/abs/2601.16048 | Academic Papers | svg |
7ab7eb5453026c475ebd3264ead392ea48c05c03958c67402698789ac2cac9a0 | 2026-01-23T00:00:00-05:00 | Constraining Nuclear Molecular Gas Content with High-resolution CO Imaging of GOALS Galaxies | arXiv:2601.16057v1 Announce Type: new Abstract: We present measurements of the cool molecular gas mass around the nuclei of two gas-rich mergers, III Zw 035 and IRAS F01364-1042, whose enclosed masses (M$_\mathrm{enc}$) within the central 40-80 pc would be overmassive if attributed entirely to the supermassive black ho... | https://arxiv.org/abs/2601.16057 | Academic Papers | svg |
2f03feed043bd4008193894e1031d8e247d16b9d31dd86e57e512ca88f948dd2 | 2026-01-23T00:00:00-05:00 | Formation and X-ray emission from hot bubbles in planetary nebulae - III. The impact of [Wolf-Rayet]-type winds | arXiv:2601.16100v1 Announce Type: new Abstract: We use radiation-hydrodynamical simulations to investigate the formation and synthetic X-ray emission of hot bubbles within planetary nebulae (PNe) driven by the powerful winds of H-deficient, [Wolf-Rayet]([WR])-type stars. Our models, based on {\sc mesa} stellar evolutio... | https://arxiv.org/abs/2601.16100 | Academic Papers | svg |
0e8f9d77a0b03f38e9c42b6ca908be7f24d9901feda4ca7420e2e07114335e0f | 2026-01-23T00:00:00-05:00 | Cis--Trans Rotational Isomerism of Seleno-, Thio-, and Formic Acids and Their Dimers: Chemical Kinetics under Interstellar Conditions | arXiv:2601.16115v1 Announce Type: new Abstract: Tunnelling reactions of molecules embedded on cryogenic noble-gas matrices are being used in fundamental studies of how reactivity varies with the nature of the supposedly inert matrix as well as pointers to the chemistry occurring in the interstellar medium on ice-grains... | https://arxiv.org/abs/2601.16115 | Academic Papers | svg |
a94d91be850d5abc227d8b259f062e8d4ef93587825d371660be2d569bb4e1c6 | 2026-01-23T00:00:00-05:00 | Magnetar fraction in Core-Collapse Supernovae | arXiv:2601.16159v1 Announce Type: new Abstract: Magnetars are extreme neutron stars powered by ultra-strong magnetic fields ($\sim10^{14}$ Gauss) and are compelling engines for some of the most powerful extragalactic transients such as Super Luminous Supernovae, Gamma-Ray Bursts, and Fast Radio Bursts. Yet their format... | https://arxiv.org/abs/2601.16159 | Academic Papers | svg |
e5499f8ee7f65546fdc1f46715c40810cde61ed6cda02664b4957f18d485b9d8 | 2026-01-23T00:00:00-05:00 | Reanalyzing DESI DR1: 4. Percent-Level Cosmological Constraints from Combined Probes and Robust Evidence for the Normal Neutrino Mass Hierarchy | arXiv:2601.16165v1 Announce Type: new Abstract: We present cosmological parameters measurements from the full combination of DESI DR1 galaxy clustering data described with large-scale structure effective field theory. By incorporating additional datasets (photometric galaxies and CMB lensing cross-correlations) and ext... | https://arxiv.org/abs/2601.16165 | Academic Papers | svg |
308283fbcd39561e3287915c9ebc52b2999f55013e271b33776948c1b92f63e2 | 2026-01-23T00:00:00-05:00 | The FarView Low Frequency Radio Array on the Moon's Far Side: Science and Array Architecture | arXiv:2601.16170v1 Announce Type: new Abstract: FarView is a proposed low frequency radio interferometer for deployment on the lunar far side, enabled by the Moon's radio quiet environment. Operating over 1-50 MHz inaccessible from Earth, FarView will open a new observational window and promote discovery class science ... | https://arxiv.org/abs/2601.16170 | Academic Papers | svg |
2e4c12e88ed00a8933c2b6c6c1a8831841942a41f66ba236cf2dc989f95f8179 | 2026-01-23T00:00:00-05:00 | A general spectral solver for the axisymmetric Jeans equations: fast galaxy modelling with arbitrary anisotropy | arXiv:2601.16179v1 Announce Type: new Abstract: Dynamical modelling is a fundamental tool for measuring galaxy masses and density profiles in the era of large integral-field spectroscopic surveys and Bayesian inference. Solutions based on the Jeans equations are popular due to their robustness and computational efficie... | https://arxiv.org/abs/2601.16179 | Academic Papers | svg |
98ac6a3a96d55fd6092208fa855f048804d8154fc787638d7bd967017becf4f8 | 2026-01-23T00:00:00-05:00 | Evolution of the recent high-accretion state of the recurrent nova T CrB: HST, Swift, NuSTAR, and XMM-Newton observations | arXiv:2601.16190v1 Announce Type: new Abstract: As the recurrent nova T Coronae Borealis (T CrB) approaches its next predicted thermonuclear eruption, it is currently exhibiting a "super-active state" (SAS) characterized by enhanced multiwavelength emission similar to the behavior recorded prior to the 1946 outburst. W... | https://arxiv.org/abs/2601.16190 | Academic Papers | svg |
909247a34de76152228a2801d9b86d93df34ddcf397becaa1fe1ac8562899254 | 2026-01-23T00:00:00-05:00 | On the Missing Red Giants near the Galactic Center | arXiv:2601.16191v1 Announce Type: new Abstract: There is a long-acknowledged deficiency of bright red giants relative to fainter old stars within a few arc seconds of Sgr A*. We explore whether this could be due to tidal stripping by the central black hole. This requires putting the stars onto highly eccentric orbits, ... | https://arxiv.org/abs/2601.16191 | Academic Papers | svg |
233243c9ffa7b257348e24357c476758431593002731d641809c2cd9fc72e950 | 2026-01-23T00:00:00-05:00 | Constraining dark energy models using Jackknife and Bootstrap resampling | arXiv:2601.16197v1 Announce Type: new Abstract: Analyses of type Ia supernovae have helped us shed light on the existence and nature of dark energy. Most of these analyses have relied on Bayesian techniques. In this work, we rely on resampling techniques to analyse supernova data. In particular, we use the generalised ... | https://arxiv.org/abs/2601.16197 | Academic Papers | svg |
e0a68bde800bd840c1e2798547d1dfca46fe76cd5d4390bfb3de3cb96384ee85 | 2026-01-23T00:00:00-05:00 | A multiwavelength ALMA view of gas and dust in binary protoplanetary system AS 205: Evidence of dust asymmetric distribution | arXiv:2601.16202v1 Announce Type: new Abstract: We present Atacama Large Millimeter/Submillimeter Array observations of multi-wavelength dust emissions at 3.1\,mm and 1.3\,mm; along with molecular line emissions of CO(2--1), CO(3--2), \mbox{$^{13}$CO(3--2)}, and C$^{18}$O(3--2) at spatial resolutions of 7--45 AU toward... | https://arxiv.org/abs/2601.16202 | Academic Papers | svg |
1c8ee244eebb74b94ad085836e17575d5afe378eebd36b4fd4bf774467994e41 | 2026-01-23T00:00:00-05:00 | Cyclic sunspot activity during the first millennium CE as reconstructed from radiocarbon | arXiv:2601.16203v1 Announce Type: new Abstract: Context. Solar activity, dominated by the 11-year cyclic evolution, has been observed directly since 1610. Before that, indirect cosmogenic proxy data are used to reconstruct it over millennia. Recently, the precision of radiocarbon measurements has improved sufficiently ... | https://arxiv.org/abs/2601.16203 | Academic Papers | svg |
e9acd8427fb70df7640f501472218da61d97a527c346dfcb87db0dd264300f58 | 2026-01-23T00:00:00-05:00 | Gravitational Waves and Primordial Black Holes produced by Dark Meta Stable Vacuum Decay | arXiv:2601.14366v1 Announce Type: cross Abstract: Inspired by string theory and cosmological constant problem, it is plausible that the Universe's vacuum structure is characterized by a landscape of metastable vacua. The existence of dark matter and dark energy further suggests that the dark sector may inhabit its own ... | https://arxiv.org/abs/2601.14366 | Academic Papers | svg |
2ade36f913f077c7d38b060b789823c795cc7a555e7fe80b516c9c933588ed46 | 2026-01-23T00:00:00-05:00 | Single-wave solutions of the neutrino fast flavor system. Part I. Mechanical properties | arXiv:2601.15372v1 Announce Type: cross Abstract: A dense neutrino plasma can exhibit collective flavor evolution caused by neutrino--neutrino refraction. Recently, a new class of exact nonlinear inhomogeneous solutions was discovered: single-wave (SW) solutions of the fast flavor system. The key property is that the f... | https://arxiv.org/abs/2601.15372 | Academic Papers | svg |
9606ab632fb4324d6b771722075a066849f173a68a17ec07e631ba73d21d6765 | 2026-01-23T00:00:00-05:00 | Compact Stars Sourced by Dark Matter Halos and Their Frozen States | arXiv:2601.15415v1 Announce Type: cross Abstract: Inspired by regular black holes (RBHs) sourced by dark matter halos, we generalize the anisotropic energy-momentum tensor by relaxing the $P_r = -\rho$ condition between radial pressure and density. We demonstrate that while RBHs are a unique special case, a broader cla... | https://arxiv.org/abs/2601.15415 | Academic Papers | svg |
81ffc9fa926071b856819af2b6e5fcb97286c8896ca4ca181643b729920c4b41 | 2026-01-23T00:00:00-05:00 | Neutrino-Induced Polarization Rotation in Active Galactic Nuclei Plasmas | arXiv:2601.15910v1 Announce Type: cross Abstract: We study parity-violating birefringence induced by an asymmetric neutrino background in plasmas associated with active galactic nuclei (AGN). We derive a directionality factor arising from the relative bulk motion between the neutrino medium and plasma, and show that it... | https://arxiv.org/abs/2601.15910 | Academic Papers | svg |
4612247593a242511e5e217fc0873c71b1b13292bd25f01317d5f84de28ece57 | 2026-01-23T00:00:00-05:00 | Photon-dark photon oscillation in M87 and Crab Nebula environments | arXiv:2601.15985v1 Announce Type: cross Abstract: Compact astrophysical systems such as neutron stars and black holes provide powerful laboratories for testing feebly coupled dark photons (DPs). We investigate light DPs kinetically mixed with the visible photon that need not be the dark matter, focusing on resonant pho... | https://arxiv.org/abs/2601.15985 | Academic Papers | svg |
a3467fd6ddbdfc3a185b837562860f959468730d3ca8a01d47bcc6d18aa37dff | 2026-01-23T00:00:00-05:00 | Different effects of the Lorentz and Gaussian bump functions on the formation of primordial black holes and secondary gravitational waves | arXiv:2403.15979v3 Announce Type: replace Abstract: Scalar perturbations in the inflation can be amplified when the base inflation potential $V_b(\phi)$ incorporates a local bump $f(\phi)$ such as $V(\phi)=V_b(\phi)(1+f(\phi))$. This modification will lead to a peak in the curvature power spectrum, increasing a signifi... | https://arxiv.org/abs/2403.15979 | Academic Papers | svg |
73ee1537ee3ddf64140d6064ce9351f4629214d45246f838025130fbe47f32dd | 2026-01-23T00:00:00-05:00 | Evidence for GeV emission of the superluminous supernova SN 2017egm | arXiv:2407.05968v2 Announce Type: replace Abstract: Superluminous supernovae (SLSNe) are a new class of transients with luminosities $\sim10 -100$ times larger than the usual core-collapse supernovae (SNe). Their origin is still unclear and one widely discussed scenario involves a millisecond magnetar central engine. T... | https://arxiv.org/abs/2407.05968 | Academic Papers | svg |
9328f82a4e207f40ab5d0805beaadc9e9b1b2f8b4b8dcc60c21b45b4a7b6e366 | 2026-01-23T00:00:00-05:00 | Running the small-correlated-against-large estimator at scale: Applications of small-scale CMB lensing estimators on realistic simulations | arXiv:2409.05326v2 Announce Type: replace Abstract: The Small-Correlated-Against-Large Estimator (SCALE) for small-scale lensing of the cosmic microwave background (CMB) provides a novel method for measuring the amplitude of CMB lensing power without the need for reconstruction of the lensing field. In our previous stu... | https://arxiv.org/abs/2409.05326 | Academic Papers | svg |
ecb4fbc0187a0ef0b5f4fcabaac02d631d9856a2f06241a444b729e6315f6be9 | 2026-01-23T00:00:00-05:00 | Cosmic acceleration and the Hubble tension from baryon acoustic oscillation data | arXiv:2409.13399v3 Announce Type: replace Abstract: We investigate the null tests of cosmic accelerated expansion by using the Baryon Acoustic Oscillation (BAO) data measured by the Dark Energy Spectroscopic Instrument (DESI) and reconstruct the dimensionless Hubble parameter $E(z)$ from the DESI BAO Alcock-Paczynski (... | https://arxiv.org/abs/2409.13399 | Academic Papers | svg |
1416201bf6160022526978cbc94a783daa96fd5f6e357130dc751629e5c243a8 | 2026-01-23T00:00:00-05:00 | WINTER on S250206dm: A near-infrared search for an electromagnetic counterpart to a gravitational-wave event | arXiv:2504.12384v2 Announce Type: replace Abstract: We present near-infrared follow-up observations of the International Gravitational Wave Network (IGWN) event S250206dm with the Wide-Field Infrared Transient Explorer (WINTER). WINTER is a near-infrared time-domain survey designed for electromagnetic follow-up of grav... | https://arxiv.org/abs/2504.12384 | Academic Papers | svg |
73ef70ecc605cdc7b6a2856ffe07c1dd1ab6fc028f8afbe06b97da4f8f6411ec | 2026-01-23T00:00:00-05:00 | Distinguishing the Origin of Eccentric Black Hole Mergers with Gravitational-wave Spin Measurements | arXiv:2505.13589v2 Announce Type: replace Abstract: It remains an open question whether the binary black hole mergers observed with gravitational-wave detectors originate from the evolution of isolated massive binary stars or were dynamically driven by perturbations from the environment. Recent evidence for non-zero or... | https://arxiv.org/abs/2505.13589 | Academic Papers | svg |
432eabe33019f54d3ff99694ab9e629ecef01ae85e3f04cf2cb923c35b92d57f | 2026-01-23T00:00:00-05:00 | The AURORA Survey: Tracing Galactic Outflows at $z\gtrsim2.5$ with JWST/NIRSpec NUV Absorption Lines | arXiv:2506.17381v2 Announce Type: replace Abstract: We probe galactic-scale outflows in star-forming galaxies at $z\gtrsim2.5$ drawn from the \textit{JWST}/NIRSpec AURORA program. For the first time, we directly compare outflow properties from the early universe to the present day using near-UV absorption lines. We mea... | https://arxiv.org/abs/2506.17381 | Academic Papers | svg |
3e8a77ae543cadd8d3af0ff2430ece5b40e2af8226c56abd635e04b8ea351143 | 2026-01-23T00:00:00-05:00 | Self-bound hybrid stars with strong phase transitions can relieve major compact star observation tensions | arXiv:2507.01371v2 Announce Type: replace Abstract: Some recent pulsar observations cannot naturally fit into the conventional picture of neutron stars: the compact objects associated with HESS J1731-347 and XTE J1814-338 have too small radii in the low-mass regime, while the secondary component of GW190814 is too mass... | https://arxiv.org/abs/2507.01371 | Academic Papers | svg |
a67be55a666ed27f93c8923d671930e8a620a28926971c146caeee5d376fdba8 | 2026-01-23T00:00:00-05:00 | Machine-learning correction for the calorimeter saturation of cosmic-ray ions with the Dark Matter Particle Explorer: towards the PeV scale | arXiv:2507.06626v2 Announce Type: replace Abstract: The Dark MAtter Particle Explorer (DAMPE) instrument is a space-borne cosmic-ray detector, capable of measuring ion fluxes up to $\sim$500 TeV/n. This energy scale is made accessible through its calorimeter, which is the deepest currently operating in orbit. Saturatio... | https://arxiv.org/abs/2507.06626 | Academic Papers | svg |
9c3be591b8ac598d154514a8653996af0bcdcddf0bcd08efe9e6fa84918288f7 | 2026-01-23T00:00:00-05:00 | AT2019cmw: A highly luminous, cooling featureless TDE candidate from the disruption of a high mass star in an early-type galaxy | arXiv:2507.07380v2 Announce Type: replace Abstract: We present optical/UV photometric and spectroscopic observations, as well as X-ray and radio follow-up, of the extraordinary event AT2019cmw. With a peak bolometric luminosity of ~$\mathrm{10^{45.6}\,erg\,s^{-1}}$, it is one of the most luminous thermal transients eve... | https://arxiv.org/abs/2507.07380 | Academic Papers | svg |
9c7a171a42ebf5b3a723752cb4f39a1c195b2719a382f7f4dade6e4f55a19cb0 | 2026-01-23T00:00:00-05:00 | The role of magnetic fields in shaping $\gamma$-ray emission from the Fermi bubbles | arXiv:2507.20893v2 Announce Type: replace Abstract: Despite their discovery fifteen years ago, the nature and origin of the Fermi bubbles remain unclear. We here investigate the effect a magnetic field can have on a subsonic breeze outflow emanating from the Galactic centre region. The presence of this magnetic field a... | https://arxiv.org/abs/2507.20893 | Academic Papers | svg |
bceda1bf32d0d04898a80b489cbf87c64cd6de0e8b3bf5268dd8db6793161e38 | 2026-01-23T00:00:00-05:00 | Group Therapy for Halos: Advancing Halo Mass Estimation for Galaxy Groups | arXiv:2508.12556v3 Announce Type: replace Abstract: Accurate estimation of dark matter halo masses for galaxy groups is central to studies of galaxy evolution and for leveraging group catalogues as cosmological probes. We present a calibration and evaluation of two complementary halo mass estimators: a dynamical estima... | https://arxiv.org/abs/2508.12556 | Academic Papers | svg |
3a1a4aa151b38196ec20d6f2f53ca61dbcd96e1e1c54788391cad2f121567ffd | 2026-01-23T00:00:00-05:00 | One latent to fit them all: a unified representation of baryonic feedback on matter distribution | arXiv:2509.01881v3 Announce Type: replace Abstract: Accurate and parsimonious quantification of baryonic feedback on matter distribution is of crucial importance for understanding both cosmology and galaxy formation from observational data. This is, however, challenging given the large discrepancy among different model... | https://arxiv.org/abs/2509.01881 | Academic Papers | svg |
c1d52ca68cf1bc994d9a759d73ae0fd122032495937312bd3c146c19e4a73773 | 2026-01-23T00:00:00-05:00 | Enhancing the detectability of ionized Regions during the Epoch of Reionization | arXiv:2509.02148v2 Announce Type: replace Abstract: We present an improved matched filter method for detecting large ionized regions in 21 cm observations of the Epoch of Reionization. In addition to detection, the method constrains the properties of these regions, offering insights into the underlying source populatio... | https://arxiv.org/abs/2509.02148 | Academic Papers | svg |
a26dd6bcf6823e047f8285c851aa3ed6b87e441d9af0de3bedf6cf4b9bdcd2ae | 2026-01-23T00:00:00-05:00 | Multi-color characterization of optically invisible FU Orionis-type outbursts: Demonstration and prospects for the WINTER survey | arXiv:2509.04560v2 Announce Type: replace Abstract: Episodic mass accretion is the dominant mechanism for mass assembly in the proto-stellar phase. Although prior optical time-domain searches have allowed detailed studies of individual outbursts, these searches remain insensitive to the earliest stages of star formatio... | https://arxiv.org/abs/2509.04560 | Academic Papers | svg |
6d7bdc53868b7dafc8b84e4673575a8fc44af8d935623c08864ecceadd9c3139 | 2026-01-23T00:00:00-05:00 | Rapid jet production and suppression during fast state transitions in the black hole X-ray binary MAXI J1348$-$630 | arXiv:2509.06487v2 Announce Type: replace Abstract: Black hole X-ray binaries (BH XRBs) launch powerful relativistic jets during bright outburst phases. The properties of these outflows change dramatically between different spectral/accretion states. Compact jets are observed during the hard state and are quenched duri... | https://arxiv.org/abs/2509.06487 | Academic Papers | svg |
91738f17052321f736eeb096dd11916e26801d5dd1b2fd508f15d8465affec56 | 2026-01-23T00:00:00-05:00 | STRAWBERRY: Finding haloes in the gravitational potential | arXiv:2509.11993v2 Announce Type: replace Abstract: Here, we present a novel algorithm that discriminates between bound and unbound particles by consideration of the gravitational potential from an accelerated reference frame -- also referred to as `the boosted potential'. Particles are considered bound if their energy... | https://arxiv.org/abs/2509.11993 | Academic Papers | svg |
926ad09b6ed72593adc54b9088343f164b631e842c666dc3900d2277c67a1c46 | 2026-01-23T00:00:00-05:00 | Probing the millisecond pulsar origin of the $\gamma$-ray excess in the Galactic centre with LISA | arXiv:2509.12998v2 Announce Type: replace Abstract: The gigaelectronvolt $\gamma$-ray excess observed towards the Galactic centre remains unexplained. While dark matter annihilation has long been considered a leading explanation, an alternative scenario involving a large population of millisecond pulsars remains viable... | https://arxiv.org/abs/2509.12998 | Academic Papers | svg |
ebbbaaab9b3384bbd514cd2290c0a8e835a428ce917440fe1adba26a9b65c1a1 | 2026-01-23T00:00:00-05:00 | The effect of matter discreteness on gravitational wave propagation in post-geometrical optics | arXiv:2509.13884v2 Announce Type: replace Abstract: The gravitational wave equation of motion includes direct coupling to the Riemann tensor. The curvature terms are usually neglected, but they can be large at the location of matter particles and impact the angular diameter distance. We apply the recently introduced po... | https://arxiv.org/abs/2509.13884 | Academic Papers | svg |
21b3edc8cb8c8dee7a63ddb014a5a0496860aaf89654b38b5b290394ba2e46c4 | 2026-01-23T00:00:00-05:00 | Polarimeter to Unify the Corona and Heliosphere (PUNCH) | arXiv:2509.15131v2 Announce Type: replace Abstract: The Polarimeter to Unify the Corona and Heliosphere (PUNCH) mission is a NASA Small Explorer to determine the cross-scale processes that unify the solar corona and heliosphere. PUNCH has two science objectives: (1) understand how coronal structures become the ambient ... | https://arxiv.org/abs/2509.15131 | Academic Papers | svg |
c79dda8a842c0a072cd0ffdcaa724e3f8f8f319c40610e757f9f92c92041a7d5 | 2026-01-23T00:00:00-05:00 | AGN spectral variability across activity states and searches for axion-like particles | arXiv:2509.22344v2 Announce Type: replace Abstract: Axion-like particles (ALPs) are compelling candidates for dark matter and potential portals to new physics beyond the Standard Model. Photons traversing magnetized regions can convert into ALPs, producing characteristic, energy-dependent absorption features in astroph... | https://arxiv.org/abs/2509.22344 | Academic Papers | svg |
a6244f6bfba9f97b85aea4658e930095063fa95f229a1d47c85062ad8010ac6d | 2026-01-23T00:00:00-05:00 | Light Travel Time Effects in Kilonova Models | arXiv:2510.09261v2 Announce Type: replace Abstract: The extremely rapid evolution of kilonovae results in spectra that change on an hourly basis. These spectra are key to understanding the processes occurring within the event, but this rapid evolution is an unfamiliar domain compared to other explosive transient events... | https://arxiv.org/abs/2510.09261 | Academic Papers | svg |
73262acec40487b1756ba977ea3a9041148646f05ecdef1bffb90643dcd074df | 2026-01-23T00:00:00-05:00 | The choice of Planck CMB likelihood in cosmological analyses | arXiv:2510.09430v2 Announce Type: replace Abstract: We compare cosmological parameters from different Planck sky maps and likelihood pipelines, assessing robustness of cosmological results with respect to the choice of the latest Planck maps-likelihood combination. We show that, for the Planck multipole range retained ... | https://arxiv.org/abs/2510.09430 | Academic Papers | svg |
0e70892e83fed1cd82dba49e0f8573dac6facbb4aa8c9b9585d8220c0cb96ecf | 2026-01-23T00:00:00-05:00 | Gamma-ray Orbital Modulation in Spider Pulsars: Three Discoveries and a Universal Modulated Fraction | arXiv:2510.11699v2 Announce Type: replace Abstract: Compact binary millisecond pulsars (also known as spiders) allow us to probe pulsar winds in their innermost regions, between the light cylinder (radius $\sim10^{7}$ cm) and the companion star (at $\sim10^{11}$ cm). Their flux is known to vary along the orbit, from ra... | https://arxiv.org/abs/2510.11699 | Academic Papers | svg |
521d8ec9d553fc2ce31a24f9df8eb53a530d632b12e90b2fbf3b438ff03a2105 | 2026-01-23T00:00:00-05:00 | On the Short Dissipation Scales and Current-Sheet Properties of Low-Coronal EUV Brightenings | arXiv:2510.22822v3 Announce Type: replace Abstract: Solar Orbiter EUV observations reveal ubiquitous small-scale brightenings in the quiet-Sun low corona. We analyze the spatial and temporal dissipation scales of these events with a focus on the formation, evolution, and dissipation of associated current sheets. The br... | https://arxiv.org/abs/2510.22822 | Academic Papers | svg |
5d4ed380a61a65d00e4b9dd86c0ccbfef33b24fe7331bbf0d3c92059a9ca7c21 | 2026-01-23T00:00:00-05:00 | NEOForCE: Near-Earth Objects' Forecast of Collisional Events | arXiv:2510.25923v2 Announce Type: replace Abstract: Robust impact monitoring of near-Earth objects is an essential task of planetary defense. Current systems such as NASA's Sentry-II, the University of Pisa's CLOMON2, and ESA's Aegis have been highly successful, but independent approaches are essential to ensure reliab... | https://arxiv.org/abs/2510.25923 | Academic Papers | svg |
85353c46ff835aada04c027b26a1cc9ed6a0e70dcb1c2c39f7998bf5564c3aa2 | 2026-01-23T00:00:00-05:00 | Digging into the Interior of Hot Cores with ALMA. VI. The Formation of Low-mass Multiple Systems in High-mass Cluster-forming Regions | arXiv:2601.08904v2 Announce Type: replace Abstract: Most stars form in multiple systems, with profound implications in numerous astronomical phenomena intrinsically linked to multiplicity. However, our knowledge about the process on how multiple stellar systems form is incomplete and biased toward nearby molecular clou... | https://arxiv.org/abs/2601.08904 | Academic Papers | svg |
5d88d2246fc2d69d8411561181cd60bb97f54f35c144aeff567303ea80af2bd4 | 2026-01-23T00:00:00-05:00 | A Not-So-Compact Companion: Massive, Oversize White Dwarf in a Post-Common Envelope Eclipsing Binary | arXiv:2601.14378v2 Announce Type: replace Abstract: We provide a detailed characterization of 2M07515777+1807352, a post-common envelope eclipsing binary system with a 10.3 d, nearly, but not quite, circular orbit (e = 0.02). This system consists of a massive white dwarf (WD) ($1.08$ M$_{\odot}$) and a 4400 K main-sequ... | https://arxiv.org/abs/2601.14378 | Academic Papers | svg |
782e5952a8f711c58eac710402d7fd5e582feed0f5f05bb3322816e46aca0cf3 | 2026-01-23T00:00:00-05:00 | The Supernova Remnant G284.3$-$1.8 and Its Relation to the Gamma-ray Binary 1FGL J1018.6$-$5856 | arXiv:2601.14801v2 Announce Type: replace Abstract: G284.3$-$1.8 is a supernova remnant with a radio shell and thermal X-ray emission. Located near its center is the gamma-ray binary 1FGL J1018.6$-$5856, although the physical association between the two systems is not clear yet. Our X-ray spectroscopy with Suzaku revea... | https://arxiv.org/abs/2601.14801 | Academic Papers | svg |
a344f727092a7737567dca45288d41758a3da395e65f89f8841d1231aa2e432e | 2026-01-23T00:00:00-05:00 | Probing Heavily Obscured AGN in Major Galaxy Mergers Using the mm-X-ray Correlation | arXiv:2601.15186v2 Announce Type: replace Abstract: The study of heavily obscured supermassive black hole (SMBH) growth in late-stage galaxy mergers is challenging: column densities $N_{\mathrm{H}}>10^{24},\mathrm{cm}^{-2}$ can block most nuclear emission, leaving significant gaps in the SMBH growth census. Millimeter-... | https://arxiv.org/abs/2601.15186 | Academic Papers | svg |
23a03ceaa07b466b28aca8f4b99c97303bd8f435d4d4236197864fa97bda1113 | 2026-01-23T00:00:00-05:00 | Constraining electromagnetic couplings of ultralight scalars from compact stars | arXiv:2501.02286v2 Announce Type: replace-cross Abstract: If an ultralight scalar interacts with the electromagnetic fields of a compact rotating star, then a long-range scalar field is developed outside the star. The Coulomb-like profile of the scalar field to the leading order is equivalent to an effective scalar cha... | https://arxiv.org/abs/2501.02286 | Academic Papers | svg |
44e24e5f9a9424c4df777d8e5c9de82b1733f218104cc712367ee0fcfadb183b | 2026-01-23T00:00:00-05:00 | Constraining light dark matter in vector-scalar portals with COSI and AMEGO-X | arXiv:2508.15891v2 Announce Type: replace-cross Abstract: Detecting gamma-ray signals that could be due to dark matter (DM) particles would give us invaluable information about the nature of DM. In particular, gamma-ray lines could provide a way to measure the DM mass. The excellent energy resolution of the upcoming Co... | https://arxiv.org/abs/2508.15891 | Academic Papers | svg |
8e122300683b8dacc5dae56c8ae02b8db2298780caf4635af811d823722f1632 | 2026-01-23T00:00:00-05:00 | Maximal GW amplitude from bubble collisions in supercooled phase transitions | arXiv:2509.13402v2 Announce Type: replace-cross Abstract: We extend analytic formulas for the gravitational-wave (GW) spectrum from first-order phase transitions to include cosmic expansion under the thin-wall and envelope approximations. We demonstrate that even for strongly supercooled transitions the GW amplitude is... | https://arxiv.org/abs/2509.13402 | Academic Papers | svg |
a01f3928c8151f0d7549beb84b2f11bb103d69ffedb38b133a7a167e68fb2dc2 | 2026-01-23T00:00:00-05:00 | Pulsar timing array analysis in a Legendre polynomial basis | arXiv:2510.05913v3 Announce Type: replace-cross Abstract: We use Legendre polynomials, previously employed in this context by Lee et al. [1], van Haasteren and Levin [2], and Pitrou and Cusin [3], to model signals in pulsar timing arrays (PTA). These replace the (Fourier mode) basis of trigonometric functions normally ... | https://arxiv.org/abs/2510.05913 | Academic Papers | svg |
aff6fcad9c1fc7eda7e9b9d12eb7bbd82ac91660ad2fbca4374af3ab9d6609c9 | 2026-01-23T00:00:00-05:00 | Reconstructing and resampling: a guide to utilising posterior samples from gravitational wave observations | arXiv:2510.11197v2 Announce Type: replace-cross Abstract: The LIGO, Virgo, and KAGRA (LVK) gravitational-wave observatories have opened new scientific research in astrophysics, fundamental physics, and cosmology. The collaborations that build and operate these observatories release the interferometric strain data as we... | https://arxiv.org/abs/2510.11197 | Academic Papers | svg |
eb1a3d125c5a652c4649b16f41dbd9acc5aa0c4cedbf84fd51b73c99002af547 | 2026-01-23T00:00:00-05:00 | Development and Testing of a Modular Large-Area Cosmic Ray Telescope Using Scintillator-Fiber Hybrid Design for Millimeter-Level Muon Tracking | arXiv:2511.16290v2 Announce Type: replace-cross Abstract: Cosmic-ray muons, owing to their high penetration power and abundance, have been widely employed as a natural probe in experimental particle physics. We developed a meter-scale cosmic-ray muon telescope, consisting of two parallel super-layers (1 m $\times$ 1 m)... | https://arxiv.org/abs/2511.16290 | Academic Papers | svg |
2d7a7d569a59aa55d45952121228aaac86cd8893d5e3d4e43837c7726cdfc79d | 2026-01-23T00:00:00-05:00 | Multipole moments do not uniquely characterize spacetimes beyond general relativity | arXiv:2511.22405v2 Announce Type: replace-cross Abstract: Spacetimes in general relativity can be uniquely decomposed into a set of multipole moments. Given the usefulness of moments in the categorization of radiation patterns, tidal deformations, and other phenomena associated with compact objects, a number of studies... | https://arxiv.org/abs/2511.22405 | Academic Papers | svg |
a714436afeb36200685e0cc4bf070869985f655cc9f0382d0e16c4d5e4018ed8 | 2026-01-23T00:00:00-05:00 | Resonant Photon-Axion Mixing Driven by Dark Matter Oscillations | arXiv:2601.02115v2 Announce Type: replace-cross Abstract: Wave propagation in periodically time-dependent media can exhibit driven mode conversion that is absent in static or adiabatic descriptions. We show that photon propagation through a coherent axion dark matter background provides a natural realization of such dr... | https://arxiv.org/abs/2601.02115 | Academic Papers | svg |
88037db0c46cfdbd63a5717de23cd20ebdf5e242428af6428f1add237d3e0ddf | 2026-01-23T00:00:00-05:00 | Bundling and Price-Matching in Competitive Complementary Goods Markets | arXiv:2601.15350v1 Announce Type: new Abstract: We study mixed bundling and competitive price-matching guarantees (PMGs) in a duopoly selling complementary products to heterogeneous customers. One retailer offers mixed bundling while the rival sells only a bundle. We characterize unique pure-strategy Nash equilibria ac... | https://arxiv.org/abs/2601.15350 | Academic Papers | svg |
12e183f9c71f0253d49b1cc40d17176783dbd8902c2a0f65711ebd7724127689 | 2026-01-23T00:00:00-05:00 | Vibe Coding Kills Open Source | arXiv:2601.15494v1 Announce Type: new Abstract: Generative AI is changing how software is produced and used. In vibe coding, an AI agent builds software by selecting and assembling open-source software (OSS), often without users directly reading documentation, reporting bugs, or otherwise engaging with maintainers. We ... | https://arxiv.org/abs/2601.15494 | Academic Papers | svg |
6a2fb5fefd04641e448afa2a9c46c9dba946064b4c319034982085f6affa3343 | 2026-01-23T00:00:00-05:00 | Three's a crowd: Identification challenges in the triple difference model with spillover effects | arXiv:2601.15764v1 Announce Type: new Abstract: The paper studies identification in triple-difference designs when spillover effects contaminate one or more control groups. We show that, under conventional identifying assumptions, the triple-difference model fails to identify both the treatment effect and the spillover... | https://arxiv.org/abs/2601.15764 | Academic Papers | svg |
4ada35f2a5f1febb1b7d03afef73a6bafd16b0ba73757d3e774264b32058cd2d | 2026-01-23T00:00:00-05:00 | Estimation and Inference for Synthetic Control Methods with Spillover Effects | arXiv:1902.07343v3 Announce Type: replace Abstract: Estimation and inference procedures for synthetic control methods often do not allow for the existence of spillover effects, which are plausible in many applications. In this paper, we consider estimation and inference for synthetic control methods, allowing for spill... | https://arxiv.org/abs/1902.07343 | Academic Papers | svg |
b54d7e53fc5dae62727d651753d3bab19a53a582b05469a244f0753995ede085 | 2026-01-23T00:00:00-05:00 | What Impulse Response Do Instrumental Variables Identify? | arXiv:2208.11828v4 Announce Type: replace Abstract: The local projection-instrumental variable (LP-IV) literature has been largely silent on cases in which impulse responses are set-identified, arising when the shock of interest is composite and instruments are correlated with multiple components. We demonstrate that L... | https://arxiv.org/abs/2208.11828 | Academic Papers | svg |
949d3e9f66acb461e7d487b8249e925ebf43482f4466ffbcd6b19c9d3c7d03ae | 2026-01-23T00:00:00-05:00 | Ironing Without Concavification | arXiv:2402.11881v2 Announce Type: replace Abstract: I propose a new approach to solving standard screening problems when the monotonicity constraint binds. A simple geometric argument shows that when virtual values are quasi-concave, the optimal allocation can be found by appropriately truncating the solution to the re... | https://arxiv.org/abs/2402.11881 | Academic Papers | svg |
f8cf387065464d115fa14cc359544d497b8d921d00b753ad47c96294ef63577a | 2026-01-23T00:00:00-05:00 | The Subtlety of Optimal Paternalism in a Population with Bounded Rationality | arXiv:2410.13658v3 Announce Type: replace Abstract: We study the subtlety of optimal paternalism when a utilitarian planner has the power to design a discrete choice set for a heterogeneous population with bounded rationality. We first consider the planning problem in abstraction. We show that the policy that most effe... | https://arxiv.org/abs/2410.13658 | Academic Papers | svg |
7492f51ff9f5d109f22b54a3dd19b5374df4e84aea6859e5b8d567af5fe6df52 | 2026-01-23T00:00:00-05:00 | Life Sequence Transformer: Generative Modelling of Socio-Economic Trajectories from Administrative Data | arXiv:2506.01874v2 Announce Type: replace Abstract: Generative modelling with Transformer architectures can simulate complex sequential structures across various applications. We extend this line of work to the social sciences by introducing a Transformer-based generative model tailored to longitudinal socio-economic d... | https://arxiv.org/abs/2506.01874 | Academic Papers | svg |
b84191b4651a78fd9d2ca101aa61e8042c24348c0ee71fd0f03ee89462e59e3e | 2026-01-23T00:00:00-05:00 | Misperception and informativeness in statistical discrimination | arXiv:2508.20053v2 Announce Type: replace Abstract: We study the interplay of information and prior (mis)perceptions in a Phelps-Aigner-Cain-type model of statistical discrimination in the labor market. We decompose the effect on average pay of an increase in how informative observables are about workers' skills into a... | https://arxiv.org/abs/2508.20053 | Academic Papers | svg |
f1b8df39173e153c6e2e05f851ac9ec29ffe68cc30550c928302c0539c6803b4 | 2026-01-23T00:00:00-05:00 | The comparative statics of dominance | arXiv:2512.15341v2 Announce Type: replace Abstract: In finite problems comprising objects, situations, and an object- and situation-contingent payoff function, we study the comparative statics of the set of undominated objects, meaning those for which there exists no mixture over objects that is superior whatever the s... | https://arxiv.org/abs/2512.15341 | Academic Papers | svg |
dd45ce29a272b66905cffc299532ac193156f8b92bcae09a01d621f6277d56a1 | 2026-01-23T00:00:00-05:00 | A Blessing in Disguise: How DeFi Hacks Trigger Unintended Liquidity Injections into US Money Markets | arXiv:2601.08263v2 Announce Type: replace-cross Abstract: Do vulnerabilities in Decentralized Finance (DeFi) destabilize traditional short-term funding markets? While the prevailing "Contagion Hypothesis" posits that the liquidation of stablecoin reserves triggers fire-sale spirals that transmit distress to traditional... | https://arxiv.org/abs/2601.08263 | Academic Papers | svg |
5b32ca643e2948845d3a39d421f5569d4f9c9299a091373ed12961ee951416a6 | 2026-01-23T00:00:00-05:00 | Distributional Balancing for Causal Inference: A Unified Framework via Characteristic Function Distance | arXiv:2601.15449v1 Announce Type: new Abstract: Weighting methods are essential tools for estimating causal effects in observational studies, with the goal of balancing pre-treatment covariates across treatment groups. Traditional approaches pursue this objective indirectly, for example, via inverse propensity score we... | https://arxiv.org/abs/2601.15449 | Academic Papers | svg |
8ab77d2ea22c61b42e4a500cbe182b67f3e9fd49a36084f34c471be38210a4ce | 2026-01-23T00:00:00-05:00 | Treatment effect: a critique | arXiv:2601.15467v1 Announce Type: new Abstract: Two broad positions within statistics define a treatment effect, on the one hand, as a parameter of a statistical model, and on the other, as an appropriate population-level difference in outcomes or counterfactual outcomes under the different treatment regimes. This shor... | https://arxiv.org/abs/2601.15467 | Academic Papers | svg |
6b607333731de927bffa9b95e958e74bb0a7e57c3b855ea6cef0ed4e1836423d | 2026-01-23T00:00:00-05:00 | Geometric Morphometrics approach for classifying children's nutritional status on out of sample data | arXiv:2601.15491v1 Announce Type: new Abstract: Current alignment-based methods for classification in geometric morphometrics do not generally address the classification of new individuals that were not part of the study sample. However, in the context of infant and child nutritional assessment from body shape images t... | https://arxiv.org/abs/2601.15491 | Academic Papers | svg |
f0118d2e7b3ce09242a5392abe7af4cc654a9f5bd87add9e748e26e4572bfd67 | 2026-01-23T00:00:00-05:00 | Assessing the informative value of macroeconomic indicators for public health forecasting | arXiv:2601.15514v1 Announce Type: new Abstract: Macroeconomic conditions influence the environments in which health systems operate, yet their value as leading signals of health system capacity has not been systematically evaluated. In this study, we examine whether selected macroeconomic indicators contain predictive ... | https://arxiv.org/abs/2601.15514 | Academic Papers | svg |
b4c4ecd4b980722bf5b0434d312b8f91f043eec911665789bcdd1d8af02c9fe6 | 2026-01-23T00:00:00-05:00 | Model-Free Inference for Characterizing Protein Mutations through a Coevolutionary Lens | arXiv:2601.15566v1 Announce Type: new Abstract: Multiple sequence alignment (MSA) data play a crucial role in the study of protein mutations, with contact prediction being a notable application. Existing methods are often model-based or algorithmic and typically do not incorporate statistical inference to quantify the ... | https://arxiv.org/abs/2601.15566 | Academic Papers | svg |
add189f53eedb39990233e092447bb4c7f27486cddee507cc5ac001307fd0f56 | 2026-01-23T00:00:00-05:00 | Climate Vulnerability and Community Health: Identifying Greensboro Neighborhoods at Intersectional Risk | arXiv:2601.15675v1 Announce Type: new Abstract: This study develops an integrated, intersectional climate vulnerability assessment for Greensboro, North Carolina, a midsize city in the rapidly changing American Southeast. Moving beyond generalized mapping, we combine demographic, socioeconomic, health, and environmenta... | https://arxiv.org/abs/2601.15675 | Academic Papers | svg |
084bc65d83bdd69509ccace231e62814f1e64c93f778a22d020aa8b48c22e525 | 2026-01-23T00:00:00-05:00 | Learning Functional Graphs with Nonlinear Sufficient Dimension Reduction | arXiv:2601.15696v1 Announce Type: new Abstract: Functional graphical models have undergone extensive development during the recent years, leading to a variety models such as the functional Gaussian graphical model, the functional copula Gaussian graphical model, the functional Bayesian graphical model, the nonparametri... | https://arxiv.org/abs/2601.15696 | Academic Papers | svg |
a9d3fd0df78fc6b0c75edaf33c1407c8291dcb831c9dede80e532aa3c952d59c | 2026-01-23T00:00:00-05:00 | Leave-one-out testing for node-level differences in Gaussian graphical models | arXiv:2601.15896v1 Announce Type: new Abstract: We study two-sample equality testing in Gaussian graphical models. Classical likelihood ratio tests on decomposable graphs admit clique-wise factorizations, offering limited localization and unstable finite-sample behaviour. We propose node-level inference via a leave-one... | https://arxiv.org/abs/2601.15896 | Academic Papers | svg |
6d6f04b78534289ec6e938f79484027c66659fd5a5b8db1f39bbb0491145dc62 | 2026-01-23T00:00:00-05:00 | Detecting interpolation errors in infant mortality counts in 20th Century England and Wales | arXiv:2601.15936v1 Announce Type: new Abstract: Understanding historical datasets, such as the England and Wales infant mortality data, for local government districts can provide valuable insights into our changing society. Such analyses can prove challenging in practice, due to frequent changes in the boundaries of lo... | https://arxiv.org/abs/2601.15936 | Academic Papers | svg |
b4d3869efc1779242a2ded3f5f17a9255f66eda845687c96485622e0d78e00f1 | 2026-01-23T00:00:00-05:00 | A Hierarchical Bayesian Framework for Model-based Prognostics | arXiv:2601.15942v1 Announce Type: new Abstract: In prognostics and health management (PHM) of engineered systems, maintenance decisions are ideally informed by predictions of a system's remaining useful life (RUL) based on operational data. Model-based prognostics algorithms rely on a parametric model of the system deg... | https://arxiv.org/abs/2601.15942 | Academic Papers | svg |
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