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163c886c8d24e035dd2e6cdcdd20eb84f6b0c5127934ea786c591f56da95a212 | 2026-01-13T00:00:00-05:00 | Timing Gamma-ray Pulsars using Gibbs Sampling | arXiv:2601.07592v1 Announce Type: new Abstract: Timing analyses of gamma-ray pulsars in the Fermi Large Area Telescope data set can provide sensitive probes of many astrophysical processes, including timing noise in young pulsars, orbital period variations in redback binaries, and the stochastic gravitational wave back... | https://arxiv.org/abs/2601.07592 | Academic Papers | svg |
7eff29e4ab5c9407ffc803ea03ddc716fe09175dbb746a59be1b79d009b3bd13 | 2026-01-13T00:00:00-05:00 | Deep Search for Joint Sources of Gravitational Waves and High-Energy Neutrinos with IceCube During the Third Observing Run of LIGO and Virgo | arXiv:2601.07595v1 Announce Type: new Abstract: The discovery of joint sources of high-energy neutrinos and gravitational waves has been a primary target for the LIGO, Virgo, KAGRA, and IceCube observatories. The joint detection of high-energy neutrinos and gravitational waves would provide insight into cosmic processe... | https://arxiv.org/abs/2601.07595 | Academic Papers | svg |
b12cbb1f1b2f031367dfedc64c862035e5b2629ac1fa82fc93118f1898090576 | 2026-01-13T00:00:00-05:00 | Galaxy Mergers in UNIONS -- II: Predicting Timescales in the Post-Merger Regime | arXiv:2601.07604v1 Announce Type: new Abstract: Galaxy mergers are critical events that influence galaxy evolution by driving processes such as enhanced star formation, quenching, and active galactic nucleus (AGN) activity. However, constraining the timescales over which these processes occur in the post-merger phase h... | https://arxiv.org/abs/2601.07604 | Academic Papers | svg |
0c53dc68f92b218aee2fd87258f96715fffb4f497ad3373baa393b5fc2388256 | 2026-01-13T00:00:00-05:00 | Impact of Nuclear Reaction Rates on Calcium Production in Population III Stars: A Global Analysis | arXiv:2601.07623v1 Announce Type: new Abstract: We investigate the sensitivity of calcium production to nuclear reaction rates of a 40 solar-mass Population III star using 1D multi-zone stellar models. A comprehensive nuclear reaction network was constructed, and all $(p,\gamma)$ and $(p,\alpha)$ reaction rates were in... | https://arxiv.org/abs/2601.07623 | Academic Papers | svg |
6663c503b66728ff8e2b02deb691d68635ad9bca1b354ac836dbde8da58c8ec6 | 2026-01-13T00:00:00-05:00 | CHEX-MATE: Relationship between X-ray and millimetre inferences of galaxy cluster temperature profiles | arXiv:2601.07653v1 Announce Type: new Abstract: Thermodynamic profiles from X-ray and millimetre observations of galaxy clusters are often compared under the simplifying assumptions of smooth, spherically symmetric intracluster medium. These approximations lead to expected discrepancies in the inferred profiles, which ... | https://arxiv.org/abs/2601.07653 | Academic Papers | svg |
d29335dab1357609dc9a2392f60d932443308e0e9bb6520cd203c834110ddc0e | 2026-01-13T00:00:00-05:00 | Tachyonic gravitational dark matter production after inflation | arXiv:2601.07670v1 Announce Type: new Abstract: We propose a novel gravitational mechanism for the non-thermal production of dark matter driven by curvature-induced tachyonic instabilities after inflation. Departing from the commonly studied non-minimal couplings to gravity, our framework considers a real spectator sca... | https://arxiv.org/abs/2601.07670 | Academic Papers | svg |
40864e1324d2523dc66d26562e8082e4f5e96fd6abd09c863a0fc9813f13a4ca | 2026-01-13T00:00:00-05:00 | Brightest GRB flare observed in GRB 221009A: bridge the last gap between flare and prompt emission in GRB | arXiv:2601.07688v1 Announce Type: new Abstract: Flares are usually observed during the afterglow phase of Gamma-Ray Bursts (GRBs) in soft X-ray, optical and radio bands, but rarely in gamma-ray band. Despite the extraordinary brightness, GECAM-C has accurately measured both the bright prompt emission and flare emission... | https://arxiv.org/abs/2601.07688 | Academic Papers | svg |
0cd9a3bb020f4e74ed5c3e3e80b5b1ce9562e392ac295d88a1d06e75e2c4304d | 2026-01-13T00:00:00-05:00 | Brightness Characterization and Modeling for Amazon Leo Satellites | arXiv:2601.07708v1 Announce Type: new Abstract: The mean apparent magnitude of Amazon Leo satellites is 6.28 based on 1,938 observations. For spacecraft in their operational mode, 92% exceeded the brightness limit recommended by the IAU for interference with research, while 25% distract from aesthetic appreciation of t... | https://arxiv.org/abs/2601.07708 | Academic Papers | svg |
8847f77ca060c478d3f4e2fdf850b00a843d8cc3a20a4864f74eb8f1541c6e48 | 2026-01-13T00:00:00-05:00 | Induced gravitational waves - beyond linear cosmological perturbation theory | arXiv:2601.07716v1 Announce Type: new Abstract: This thesis focuses on gravitational waves (GWs) that arise beyond linear order in cosmological perturbation theory. In recent years, scalar-induced GWs have attracted significant attention because they may serve as the observational signature of primordial black holes (P... | https://arxiv.org/abs/2601.07716 | Academic Papers | svg |
4a804a10ad4d8a6405e2374671ad1f9d54a489757ce5fc3d8eb1824776335b2e | 2026-01-13T00:00:00-05:00 | A COLIBRI Photometric Study of SN 2025bvm: A Normal, Slowly Declining Type Ia Supernova | arXiv:2601.07745v1 Announce Type: new Abstract: We present 121 days of multi-band (\Bband, \gband, \rband, \iband) optical photometry of the Type Ia supernova SN 2025bvm, obtained with the COLIBRI telescope at OAN-SPM. The light curves show a photometric decline of $\Delta m_{15}(B) = 0.867 \pm 0.051$~mag, characterist... | https://arxiv.org/abs/2601.07745 | Academic Papers | svg |
9a3d375463910b8855b3efce397d7d49ea047b8d3b80ec18ffdec01b5f4b17a2 | 2026-01-13T00:00:00-05:00 | Core Scouring Dynamics and Gravitational Wave Consequences: Constraints on Supermassive Black Hole Binary Hardening | arXiv:2601.07762v1 Announce Type: new Abstract: In this paper we perform a multi-messenger investigation of the efficiency of stellar scattering in tightening supermassive black hole binaries by jointly comparing models to the observed galaxy stellar core population and to results of nanohertz gravitational wave observ... | https://arxiv.org/abs/2601.07762 | Academic Papers | svg |
737d110842709c9b8db4d0e4aa4a74c99a7ad0aff8d7980aae98501151b79aac | 2026-01-13T00:00:00-05:00 | Popcorn in the sky: Identifying primordial black holes in the gravitational-wave background | arXiv:2601.07774v1 Announce Type: new Abstract: Primordial black holes (PBHs) are possible sources of a gravitational-wave background (GWB), detectable with the next observing runs of LIGO--Virgo--KAGRA. In case of a detection, it will be crucial to distinguish the possible sources of this GWB. One under-explored possi... | https://arxiv.org/abs/2601.07774 | Academic Papers | svg |
81b0c42b55f766ff33b93a1a044fcf1ae103e6282674cbd38348cecbd2fc7aa7 | 2026-01-13T00:00:00-05:00 | Euclid preparation. Testing analytic models of galaxy intrinsic alignments in the Euclid Flagship simulation | arXiv:2601.07784v1 Announce Type: new Abstract: We model intrinsic alignments (IA) in Euclid's Flagship simulation to investigate its impact on Euclid's weak lensing signal. Our IA implementation in the Flagship simulation takes into account photometric properties of galaxies as well as their dark matter host halos. We... | https://arxiv.org/abs/2601.07784 | Academic Papers | svg |
700e71e37f938a6be475ea52ba0ee5a4931d10895b1ef4331a2bbabe6cfe069f | 2026-01-13T00:00:00-05:00 | Euclid preparation. Calibrated intrinsic galaxy alignments in the Euclid Flagship simulation | arXiv:2601.07785v1 Announce Type: new Abstract: Intrinsic alignments of galaxies are potentially a major contaminant of cosmological analyses of weak gravitational lensing. We construct a semi-analytic model of galaxy ellipticities and alignments in the \Euclid Flagship simulation to predict this contamination in Eucli... | https://arxiv.org/abs/2601.07785 | Academic Papers | svg |
a7feda51a383f18ce932b86c3a0b3ea864c62b21cce5ffff4d53026b02c06293 | 2026-01-13T00:00:00-05:00 | Testing subhalo abundance matching with galaxy kinematics | arXiv:2601.07799v1 Announce Type: new Abstract: The rotation velocities of disc galaxies trace dark matter halo structure, providing direct constraints on the galaxy--halo connection. We construct a Bayesian forward model to connect the dark matter halo population predicted by $\Lambda$CDM with an observed sample of di... | https://arxiv.org/abs/2601.07799 | Academic Papers | svg |
9827e054a4d63fd2a1a26cb2d48e5b50179e41b6e34db217988fa0dbcd0ed65a | 2026-01-13T00:00:00-05:00 | Cosmoglobe DR2. V. Spatial correlations between thermal dust and ionized carbon emission in Planck HFI and COBE-DIRBE | arXiv:2601.07818v1 Announce Type: new Abstract: We fit five tracers of thermal dust emission to ten Planck HFI and COBE-DIRBE frequency maps between 353 GHz and 25 THz, aiming to map the relative importance of each physical host environment as a function of frequency and position on the sky. Four of these correspond to... | https://arxiv.org/abs/2601.07818 | Academic Papers | svg |
79786448e1c9e3062a02e98fe426505f0d15685bf3bfa4bc48eddb69553ebe28 | 2026-01-13T00:00:00-05:00 | Cosmoglobe DR2. VII. Towards a concordance model of large-scale thermal dust emission for microwave and infrared frequencies | arXiv:2601.07822v1 Announce Type: new Abstract: We fit a four-component thermal dust model to COBE-DIRBE data between 3.5 and 240 micron within the global Bayesian end-to- end Cosmoglobe DR2 reanalysis. Following a companion analysis of Planck HFI, the four components of this model correspond to "hot dust", "cold dust"... | https://arxiv.org/abs/2601.07822 | Academic Papers | svg |
b1b7fa31b4c200bd57d63496f4366d914f8dcada9d0dd8304b21beb9ae8d6665 | 2026-01-13T00:00:00-05:00 | Cosmoglobe DR2. IV. Modelling starlight in DIRBE with Gaia and WISE | arXiv:2601.07831v1 Announce Type: new Abstract: We present a model of starlight emission in the Diffuse Infrared Background Explorer (DIRBE) data between 1.25 and 25$\,\mu$m based on \textit{Gaia} and WISE measurements. We include two classes of compact objects, namely bright stars with individual spectral energy densi... | https://arxiv.org/abs/2601.07831 | Academic Papers | svg |
9ebf328763c96531f925f2f2e740fb6fae1a57e7ba501d5dbdbe4f32140e398d | 2026-01-13T00:00:00-05:00 | Axion misalignment as a synchronization phenomenon | arXiv:2601.07836v1 Announce Type: new Abstract: We propose a dynamical reinterpretation of axion misalignment as an emergent collective phenomenon. Drawing an explicit parallel between axion field dynamics and synchronization in coupled oscillator systems, we show that a macroscopic axion phase can arise dynamically fr... | https://arxiv.org/abs/2601.07836 | Academic Papers | svg |
31827bc40a589bb0ab250dd1dc0608a6777f59fe0f2836e27ae4e9956e0387ae | 2026-01-13T00:00:00-05:00 | Temperature-Dependent CPT Violation: Constraints from Big Bang Nucleosynthesis | arXiv:2601.06259v1 Announce Type: cross Abstract: In this study, we explore temperature-dependent CPT violation during Big Bang Nucleosynthesis (BBN) through electron-positron mass asymmetries parametrized by $b_0(T) = \alpha T^2$. The $T^2$ scaling naturally evades stringent laboratory bounds at zero temperature while... | https://arxiv.org/abs/2601.06259 | Academic Papers | svg |
f1c74ffb2e870a58daffcfe6a9a8bfe3642e13a3cbd81d1e57db7633eef2639c | 2026-01-13T00:00:00-05:00 | Cosmological Dynamics on a Novel $f(Q)$ Gravity Model with Recent DESI DR2 Observation | arXiv:2601.06438v1 Announce Type: cross Abstract: In this article, we investigate the cosmological viability of a modified symmetric teleparallel gravity model within the $f(Q)$ framework. We derive observational constraints on the model parameters by performing a Markov Chain Monte Carlo analysis using a combined data... | https://arxiv.org/abs/2601.06438 | Academic Papers | svg |
240912f63a5ee03051715d2625a46c547417c2681678c2184b3c095d9caf3f50 | 2026-01-13T00:00:00-05:00 | Kerr-Newman-de Sitter black holes in $f(R)$ gravity with constant curvature: horizon structure and extremality | arXiv:2601.06661v1 Announce Type: cross Abstract: The theory of $f(R)$ gravity with constant curvature (i.e. constant scalar curvature) admits rotating and charged black hole solutions obtained from the Kerr-Newman-(A)dS metrics of general relativity through appropriate rescalings of the metric parameters. In this pape... | https://arxiv.org/abs/2601.06661 | Academic Papers | svg |
49087afdbd1e12b027283303fdb20f84bbf35671f23d1c81e02047ad4386ebb0 | 2026-01-13T00:00:00-05:00 | Limits of vacuum-template subtraction for LISA massive black hole binary sources in realistic environments | arXiv:2601.06684v1 Announce Type: cross Abstract: We investigate the impact of gravitational wave (GW) dephasing due to gas accretion on the subtraction of massive black hole (MBH) binary signals over 4 yr of LISA data in the context of the global-fit. Based on state of the art predictions for the population of merging... | https://arxiv.org/abs/2601.06684 | Academic Papers | svg |
5e60cd727b5104a58cceb64534acceae014006279b581e9c35c6af2234dc7b3c | 2026-01-13T00:00:00-05:00 | Numerical Study of Polytropes with n=1 and Differential Rotation | arXiv:2601.06905v1 Announce Type: cross Abstract: The solution space of differentially rotating polytropes with n=1 has been studied numerically. The existence of three different types of configurations: from spheroids to thick tori, hockey puck-like bodies and spheroids surrounded by a torus, separate from or merging ... | https://arxiv.org/abs/2601.06905 | Academic Papers | svg |
267240e23c58d34c9070127a24aad910f6b75de6c2f0086b0640a45356917120 | 2026-01-13T00:00:00-05:00 | Strong Einstein-Hilbert Gravity Inflation and ACT Phenomenology | arXiv:2601.06946v1 Announce Type: cross Abstract: In this work we study rescaled effective single scalar field theories, and we confront these with the ACT constraint on the spectral index of the scalar primordial perturbations and the updated BICEP/Planck constraint on the tensor-to-scalar ratio. Rescaled scalar theor... | https://arxiv.org/abs/2601.06946 | Academic Papers | svg |
58a30b06b92d3b2b567f904680a6015b3fda52c21cc9ff5ad9b8237f928c1675 | 2026-01-13T00:00:00-05:00 | Viable f(R) Scenarios Unifying Inflation with Realistic Dynamical Dark Energy | arXiv:2601.06949v1 Announce Type: cross Abstract: Two $F(R)$ gravity models are tested on the basis of their viability during all stages of cosmological evolution. It is shown that these models can describe both the early-time inflationary epoch and the dark energy epoch. The models are confronted with the latest obser... | https://arxiv.org/abs/2601.06949 | Academic Papers | svg |
005bb1e0551c183abb83deb0c66288f1d1afb4f9955441b0784d4ba2ef6bd311 | 2026-01-13T00:00:00-05:00 | IndIGO-D: Probing Compact Binary Coalescences in the Decihertz GW Band | arXiv:2601.06956v1 Announce Type: cross Abstract: We study IndIGO-D, a decihertz gravitational-wave mission concept, focusing on a specific configuration in which three spacecraft fly in formation to form an L-shaped interferometer in a heliocentric orbit. The two orthogonal arms share a common vertex, providing a spac... | https://arxiv.org/abs/2601.06956 | Academic Papers | svg |
f0e31ff6b7444252232c2fffc425dd77d81edba1ae2c292f58844c4363f40934 | 2026-01-13T00:00:00-05:00 | Oscillatory Freeze from Inertial Holographic Dark Energy | arXiv:2601.07007v1 Announce Type: cross Abstract: We study a generalized holographic dark energy model in which the infrared cutoff depends on the Hubble parameter and its first two time derivatives. The inclusion of the $\ddot H$ term introduces a finite relaxation timescale for the horizon degrees of freedom, which c... | https://arxiv.org/abs/2601.07007 | Academic Papers | svg |
91ba92a131070926164b65f2eacbf39ebb6f45628d4105cc2ac31d30b9e57eff | 2026-01-13T00:00:00-05:00 | Multi-Physics Bayesian Analysis of Neutron Star Crust Using Relativistic Mean-Field Model | arXiv:2601.07722v1 Announce Type: cross Abstract: We study the properties of neutron-star crust within a Bayesian framework based on a unified relativistic mean-field (RMF) description of dense matter. The analysis focuses on the posterior distributions of crust properties, constrained by nuclear experimental data, chi... | https://arxiv.org/abs/2601.07722 | Academic Papers | svg |
c5303c781a50879e0eac653fc80d9852592be161af83fcfd3461643d23cf5fdb | 2026-01-13T00:00:00-05:00 | Learning the relations between neutron star and nuclear matter properties with symbolic regression | arXiv:2601.07727v1 Announce Type: cross Abstract: The equation of state (EOS) of dense matter in neutron stars (NSs) remains uncertain, particularly at supra-nuclear densities where complex nuclear interactions and the potential presence of exotic matter, like hyperons, come into play. The complex relationships existin... | https://arxiv.org/abs/2601.07727 | Academic Papers | svg |
4a24d051a1b950d89bf64244543a6617530a3a2ebc2aa80a5b9c048f6a878e88 | 2026-01-13T00:00:00-05:00 | Rotation-dependent $I$-Love-$Q$-$\delta M$ relations in perturbation theory | arXiv:2601.07734v1 Announce Type: cross Abstract: The so-called $I$-Love-$Q$ relations link some normalized versions of the moment of inertia, the Love number, and the quadrupole moment of a star. These relations, in principle, enable the inference of two of the quantities given the third. However, their use has been l... | https://arxiv.org/abs/2601.07734 | Academic Papers | svg |
dc60e753a9ca21b53f9d20b53517a0e9bccbdeaa06309f3dfbf57b98fc0cc257 | 2026-01-13T00:00:00-05:00 | Systematic Biases in Gravitational-Wave Parameter Estimation from Neglecting Orbital Eccentricity in Space-Based Detectors | arXiv:2601.07739v1 Announce Type: cross Abstract: Accurate modeling of gravitational-wave signals is essential for reliable inference of compact-binary source parameters, particularly for future space-based detectors operating in the milli- and deci-Hertz bands. In this work, we systematically investigate the parameter... | https://arxiv.org/abs/2601.07739 | Academic Papers | svg |
ead935e00b64f5593b37bb753075fb95ccbde2413bee3b73ad933abb2aac2b23 | 2026-01-13T00:00:00-05:00 | Exploring Lorentz Invariance Violation from Ultra-high-energy Gamma Rays Observed by LHAASO | arXiv:2106.12350v2 Announce Type: replace Abstract: Recently the LHAASO Collaboration published the detection of 12 ultra-high-energy gamma-ray sources above 100 TeV, with the highest energy photon reaching 1.4 PeV. The first detection of PeV gamma rays from astrophysical sources may provide a very sensitive probe of t... | https://arxiv.org/abs/2106.12350 | Academic Papers | svg |
3dc5c00e4acb768fdb942cc024f2b97acab82b23553ae9e67b49c5e557171b90 | 2026-01-13T00:00:00-05:00 | Self-consistent 3D radiative transfer for kilonovae: directional spectra from merger simulations | arXiv:2306.17612v5 Announce Type: replace Abstract: We present three-dimensional radiative transfer calculations for the ejecta from a neutron star merger that include line-by-line opacities for tens of millions of bound-bound transitions, composition from an r-process nuclear network, and time-dependent thermalization... | https://arxiv.org/abs/2306.17612 | Academic Papers | svg |
6c578c9a1e3673b70ddb81e77fbd2a2368ee7583ec3d46cc46bb9415447a132f | 2026-01-13T00:00:00-05:00 | Exploring the interplay between star formation efficiency and dust in regulating the UV luminosity of early systems in the JWST and ALMA era | arXiv:2409.10613v2 Announce Type: replace Abstract: Recent observations by the James Webb Telescope (JWST) have unveiled numerous galaxy candidates between $z \sim 9 - 16.5$, hinting at an over-abundance of sources at the bright-end of the UV Luminosity Function (UV LF) at z $\gtrsim$ 11. Complementarily, the Atacama L... | https://arxiv.org/abs/2409.10613 | Academic Papers | svg |
e0a768c9c7f6ad71a173c70d3c87fc7649ba20867c1e82237bc1c580c6b1d9f5 | 2026-01-13T00:00:00-05:00 | A model of the heliocentric dust ring on Venus orbit | arXiv:2504.16610v2 Announce Type: replace Abstract: A heliocentric dust ring on Venus orbit was discovered following observations by the Helios spacecraft, and then confirmed thanks to observations by STEREO and the Parker Solar Probe. The impact risk it poses needs to be evaluated for any spacecraft crossing the ring.... | https://arxiv.org/abs/2504.16610 | Academic Papers | svg |
59c66e7ce4cb94403c07d531e52de6c3a6d1fe799f89ab3db425f3522342755c | 2026-01-13T00:00:00-05:00 | Time-evolving coronal modelling of the solar maximum around the solar storms in May 2024 by COCONUT | arXiv:2505.11990v2 Announce Type: replace Abstract: Time-evolving MHD coronal models deliver more realistic results than traditional quasi-steady-state models. The fully implicit time-evolving coronal model COCONUT performs efficiently enough for real-time coronal simulations during solar minimum. However, during solar... | https://arxiv.org/abs/2505.11990 | Academic Papers | svg |
d835685ed5b141c15b27f6fdbaac35af99f1e170503a52ac70af6fd10b0231c6 | 2026-01-13T00:00:00-05:00 | The PAU Survey: Measuring intrinsic galaxy alignments in deep wide fields as a function of colour, luminosity, stellar mass and redshift | arXiv:2505.15470v3 Announce Type: replace Abstract: We present the measurements and constraints of intrinsic alignments (IA) in the Physics of the Accelerating Universe Survey (PAUS) deep wide fields, which include the W1 and W3 fields from the Canada-France-Hawaii Telescope Legacy Survey (CFHTLS) and the G09 field fro... | https://arxiv.org/abs/2505.15470 | Academic Papers | svg |
6b4a13fdc4269437646b1605a0b9e57bfd5248282ac3414c15909bff61d569cb | 2026-01-13T00:00:00-05:00 | PEARLS: 21 Transients Found in the Three-Epoch NIRCam Observations in the Continuous Viewing Zone of the James Webb Space Telescope | arXiv:2506.12175v2 Announce Type: replace Abstract: We present 21 transients from our three-epoch, four-band NIRCam observations covering 14.16 arcmin^2 in the Spitzer IRAC Dark Field (IDF), taken by the JWST Prime Extragalactic Areas for Reionization and Lensing Science program with a time cadence of ~6 months. A sepa... | https://arxiv.org/abs/2506.12175 | Academic Papers | svg |
dcd39445125ac8b9524ea129a524e51fa9d8a1fc8f10af521e01c786a137d087 | 2026-01-13T00:00:00-05:00 | JWST Reveals a Candidate Jellyfish Galaxy at z=1.156 | arXiv:2506.14117v2 Announce Type: replace Abstract: We report the discovery of COSMOS2020-635829 as a candidate jellyfish galaxy undergoing ram pressure stripping in a (proto)cluster at $z > 1$. High-resolution imaging from the James Webb Space Telescope reveals a symmetric stellar disk coupled to a unilateral tail of ... | https://arxiv.org/abs/2506.14117 | Academic Papers | svg |
6930c9d42bfb8aa8c78abd35ec260d985606b9d0f39f1c447f4ecc5c16535a02 | 2026-01-13T00:00:00-05:00 | Bayesian constraints on quark stars from multi-messenger observations | arXiv:2506.22781v2 Announce Type: replace Abstract: We perform a systematic Bayesian analysis of quark star equations of state under current multimessenger constraints, investigating the impact of prior assumptions and extreme-mass observations. Quark matter is modeled within an interacting MIT bag framework that consi... | https://arxiv.org/abs/2506.22781 | Academic Papers | svg |
929a92f9ef1a0221d69c70746215b7097876a929ad172de9f281548ecb7f77bc | 2026-01-13T00:00:00-05:00 | Angular correlation functions of bright Lyman-break galaxies at $\mathbf{3 \lesssim z \lesssim 5}$ | arXiv:2507.02515v2 Announce Type: replace Abstract: We investigate the clustering of Lyman-break galaxies at redshifts of 3 $\lesssim z \lesssim$ 5 within the COSMOS field by measuring the angular two-point correlation function. Our robust sample of $\sim$60,000 bright ($m_{\rm UV}\lesssim 27$) Lyman-break galaxies was... | https://arxiv.org/abs/2507.02515 | Academic Papers | svg |
41968668c63a3a0232ae517c631237a1fee8da36760a2649240af6045881b7a6 | 2026-01-13T00:00:00-05:00 | Confronting Mukhanov Parametrization of Inflationary Equation-of-State with ACT-DR6 | arXiv:2507.05648v2 Announce Type: replace Abstract: We provide a simple yet effective semi-analytical approach to confront Mukhanov Parametrization of inflationary equation-of-state, $1+\omega =\frac{\beta}{({N}+1)^\alpha}$, with the latest ACT-DR6 data employing Hamilton-Jacobi formulation. We find that equation-of-st... | https://arxiv.org/abs/2507.05648 | Academic Papers | svg |
aec71c8a752313c376e1d907d05518c2c6b3e114484f2483771c06abc3c8d978 | 2026-01-13T00:00:00-05:00 | MrMARTIAN: A Multi-resolution Mass Reconstruction Algorithm Combining Free-form and Analytic Components | arXiv:2508.13262v4 Announce Type: replace Abstract: We present ${\tt MrMARTIAN}$ (Multi-resolution MAximum-entropy Reconstruction Technique Integrating Analytic Node), a new hybrid strong lensing (SL) modeling algorithm. By incorporating physically motivated analytic nodes into the free-form method ${\tt MARS}$, ${\tt ... | https://arxiv.org/abs/2508.13262 | Academic Papers | svg |
242ebeb514074cea7106627fdac624fc4fca006bf6380ce74229a3e3a6ae8361 | 2026-01-13T00:00:00-05:00 | Little Red Dots and their Progenitors from Direct Collapse Black Holes | arXiv:2508.14155v2 Announce Type: replace Abstract: The James Webb Space Telescope (JWST) has discovered a new population of objects, the Little Red Dots (LRDs), characterized by V-shaped spectra indicative of strong breaks around the Balmer limit and compact morphology that gave them their name. A popular explanation ... | https://arxiv.org/abs/2508.14155 | Academic Papers | svg |
5e944644769d09531fb5c85a628cb791a2bd8b3fbf5fbd3785c608e2a6b618f1 | 2026-01-13T00:00:00-05:00 | What determines the $\gamma$-ray luminosities of classical novae? | arXiv:2508.15900v2 Announce Type: replace Abstract: Classical novae in the Milky Way have now been well-established as high-energy GeV $\gamma$-ray sources. In novae with main-sequence companions, this emission is believed to result from shocks internal to the nova ejecta, as a later fast wind collides with an earlier ... | https://arxiv.org/abs/2508.15900 | Academic Papers | svg |
bbf3c7b49f2b11042123ecb41c3a2c326341ccfe5c1a1b6ca975c30c22a56904 | 2026-01-13T00:00:00-05:00 | COCONUT: A coronal model with an energy decomposition strategy | arXiv:2508.20423v2 Announce Type: replace Abstract: In this paper, we propose an energy decomposition method combined with an HLL Riemann solver that includes an additional dissipation term in the energy equation to improve the numerical stability of the fully implicit, time-evolving coronal model COCONUT and extend it... | https://arxiv.org/abs/2508.20423 | Academic Papers | svg |
9231c538873c1bd4ddf7bd672121546c071c1570815ac57126d3e3b6f92972bb | 2026-01-13T00:00:00-05:00 | Accelerated calibration of semi-analytic galaxy formation models | arXiv:2509.00143v2 Announce Type: replace Abstract: We present an accelerated calibration framework for semi-analytic galaxy formation models, demonstrated with Galacticus. Rather than fitting directly to properties such as the low-redshift stellar mass function (SMF) - which requires evolving thousands of halos per li... | https://arxiv.org/abs/2509.00143 | Academic Papers | svg |
197aad598cc3f7be76459f96ca7ac4056bdf5298c6d91ff4863baa848413c766 | 2026-01-13T00:00:00-05:00 | Needlets and foreground removal for SKAO hydrogen intensity maps | arXiv:2509.02644v2 Announce Type: replace Abstract: Intensity Mapping (IM) of the 21-cm line of the neutral hydrogen (\textsc{Hi}) has become a compelling new technique to map the large-scale structure of the Universe. One of the main challenges is the presence of strong foreground emissions of several orders of magnit... | https://arxiv.org/abs/2509.02644 | Academic Papers | svg |
57a7e710f8148fa5a0bf8f3a3de31032cb84f8cb79d05e0078010072c299e131 | 2026-01-13T00:00:00-05:00 | $\texttt{Jipole}$: A Differentiable $\texttt{ipole}$-based Code for Radiative Transfer in Curved Spacetimes | arXiv:2509.07065v2 Announce Type: replace Abstract: Recent imaging of supermassive black holes by the Event Horizon Telescope (EHT) has relied on exhaustive parameter-space searches, matching observations to large, precomputed libraries of theoretical models. As observational data become increasingly precise, the limit... | https://arxiv.org/abs/2509.07065 | Academic Papers | svg |
3848e90cc38ace5948eda01c1bf9035888bc6660f1091eb687857f727a5300f5 | 2026-01-13T00:00:00-05:00 | A Pristine Star-Forming Complex at z=4.19 | arXiv:2509.07073v2 Announce Type: replace Abstract: We report the discovery of a faint (M_1700 ~ -12.2), oxygen-deficient strongly-lensed ionizing source -- dubbed LAP2 (Lensed And Pristine 2) -- at a spectroscopic redshift of z=4.19. LAP2 appears to be isolated and lies very close to the caustic produced by the lensin... | https://arxiv.org/abs/2509.07073 | Academic Papers | svg |
1335fc419a50df53fcd2dac8e948e10e56a0a7f5417f9042093bab1f5dbadc1c | 2026-01-13T00:00:00-05:00 | Gaia Barium Dwarfs and Their Ostensibly Ordinary Counterparts | arXiv:2509.13413v2 Announce Type: replace Abstract: The recently identified Gaia population of main-sequence--white dwarf (MS+WD) binaries at separations of ${\sim}\,1~{\rm AU}$, often with moderate eccentricities, is not readily reproduced by binary population synthesis models. Barium stars represent a closely related... | https://arxiv.org/abs/2509.13413 | Academic Papers | svg |
e74d179c9bbb62ecd1e1b209bff9737ec31b93318a922fa9036ce82c9eeae2a7 | 2026-01-13T00:00:00-05:00 | Measuring the Central Dark Mass in NGC 4258 with JWST/NIRSpec Stellar Kinematics | arXiv:2509.20519v2 Announce Type: replace Abstract: We present a new stellar dynamical measurement of the supermassive black hole (SMBH) mass in the nearby spiral galaxy NGC 4258, a critical benchmark for extragalactic mass measurements. We use archival JWST/NIRSpec IFU data (G235H/F170LP grating) to extract high-resol... | https://arxiv.org/abs/2509.20519 | Academic Papers | svg |
7685e381e1c3dd789f265ec2f23d20438b22f7b90951d2138869afa5593e12f6 | 2026-01-13T00:00:00-05:00 | Modeling gravitational wave sources in the MillenniumTNG simulations | arXiv:2510.06311v2 Announce Type: replace Abstract: (Edited) We introduce a flexible framework for building gravitational wave (GW) event catalogs in hydrodynamic simulations of galaxy formation. Our framework couples the state-of-the-art binary population synthesis code SEVN with Arepo-GW -- a module fully integrated ... | https://arxiv.org/abs/2510.06311 | Academic Papers | svg |
6f32844014cdbc8963be4900ccead6995bb0733fdc2b525838572ac1848dc710 | 2026-01-13T00:00:00-05:00 | New ultralight scalar particles and the mass-radius relation of white dwarfs -- the important role of Sirius B | arXiv:2510.06312v2 Announce Type: replace Abstract: We present the equation of state for two classes of new ultralight particles, a scalar field coupling to electrons and a light $\mathbb{Z}_\mathcal{N}$ QCD axion field coupling to nucleons. Both are potential candidates for dark matter. Using the scalar modified equat... | https://arxiv.org/abs/2510.06312 | Academic Papers | svg |
d4b45afbf77c99e292978cb4fcaf61384b2693f3a560bd82cf97e01ca086dfd8 | 2026-01-13T00:00:00-05:00 | MESA-QUEST: Tracing the formation of direct collapse black hole seeds via quasi-stars | arXiv:2510.11772v3 Announce Type: replace Abstract: The origin of the first supermassive black holes (SMBHs) observed at redshifts $z\geq 9$ remains one of the most challenging open questions in astrophysics. Their rapid emergence suggests that massive ``heavy seeds'' must have formed early, possibly through the direct... | https://arxiv.org/abs/2510.11772 | Academic Papers | svg |
3a0005fda0f7b7c3e78b06db53091823b84024a9531dac2014f6bcb1fc54d209 | 2026-01-13T00:00:00-05:00 | Born to be recycled: a comprehensive population synthesis of the Galactic millisecond pulsars | arXiv:2510.15661v2 Announce Type: replace Abstract: Millisecond pulsars (MSPs) are the oldest but fastest pulsars known to date. In the 1980s, to explain how these pulsars could be formed, a new hypothesis was formulated: the recycling of pulsars, i.e the fact that a pulsar could accrete matter from a companion and bee... | https://arxiv.org/abs/2510.15661 | Academic Papers | svg |
9eb24b2f3f63d68646b8eea16582dc1f5a3f0f08ef581b6680ad21c0e374c733 | 2026-01-13T00:00:00-05:00 | Implications of Joint Spectral Analysis of Gamma-Ray Bursts detected by Fermi Large Area Telescope and Gamma-ray Burst Monitor on Phenomenological Correlations | arXiv:2510.16475v2 Announce Type: replace Abstract: Gamma-ray bursts (GRBs) have emerged as powerful cosmological probes for exploring the distant Universe, owing to their immense luminosities and detectability at high redshifts. Several empirical correlations have been established, particularly involving their energy ... | https://arxiv.org/abs/2510.16475 | Academic Papers | svg |
5ff02a9977eed67a0704f9714a5407fa9550b0eb4bc5b8cac0b312a6014ef77c | 2026-01-13T00:00:00-05:00 | Evolutionary Tracks and Spectral Properties of Quasi-stars and Their Correlation with Little Red Dots | arXiv:2510.17952v2 Announce Type: replace Abstract: JWST has revealed a population of red, compact, high-redshift (${z\sim3-10}$) objects referred to as ``Little Red Dots'' (LRDs). These objects exhibit unusual spectral features reminiscent of stellar spectra with blackbody-like SEDs, large hydrogen Balmer breaks, Balm... | https://arxiv.org/abs/2510.17952 | Academic Papers | svg |
d89997386f0f25d858f7ffb70ba762ef07ac8ab988c326b4b22052f977e31d6c | 2026-01-13T00:00:00-05:00 | Stellar Wind-Blown Bubbles as Environments for Late-Time Rebrightening of Gamma-Ray Burst Afterglows | arXiv:2510.22891v2 Announce Type: replace Abstract: We presented the multi-wavelength afterglow fitting results for three events that exhibit late afterglow rebrightening behavior: EP240414a ($z=0.401$), GRB 240529A ($z=2.695$), and GRB 240218A ($z=6.782$), which span a broad range of redshifts, from the local to the h... | https://arxiv.org/abs/2510.22891 | Academic Papers | svg |
60ca942d557091ef471475984eaf6425030a5d07a2a1f69106f7e73d76094769 | 2026-01-13T00:00:00-05:00 | Cosmic Vine: High abundance of massive galaxies and dark matter halos in a forming cluster at z=3.44 | arXiv:2510.23549v2 Announce Type: replace Abstract: The Cosmic Vine is a massive protocluster at z=3.44 in the JWST CEERS field, offering an ideal laboratory for studying the early phases of cluster formation. Using the data from the DAWN JWST Archive, we conduct a comprehensive study on the large-scale structure, stel... | https://arxiv.org/abs/2510.23549 | Academic Papers | svg |
0399a82e88388e17a7b9ad64a7d8032f012b3e6ecd322e1d2e6cb1ee226de3bd | 2026-01-13T00:00:00-05:00 | First Cosmological Constraints from the Joint Analysis of Galaxy Clustering and the Kinetic Sunyaev-Zel'dovich Effect | arXiv:2510.27227v2 Announce Type: replace Abstract: We perform the first joint analysis of galaxy clustering (GC) and the kinetic Sunyaev-Zel'dovich (kSZ) effect to simultaneously constrain cosmological and astrophysical parameters in this work, utilizing a combination of the Atacama Cosmology Telescope (ACT) Data Rele... | https://arxiv.org/abs/2510.27227 | Academic Papers | svg |
ef6c77ca6a98ad8857ecde06180e7cb4b01263072c52e1fe156b277cc912d34c | 2026-01-13T00:00:00-05:00 | Machine-Learning Estimation of Energy Fractions in MHD Turbulence Modes | arXiv:2511.04119v2 Announce Type: replace Abstract: Magnetohydrodynamic (MHD) turbulence plays a central role in many astrophysical processes in the interstellar medium (ISM), including star formation and cosmic-ray transport and acceleration. MHD turbulence can be decomposed into three fundamental modes-fast, slow, an... | https://arxiv.org/abs/2511.04119 | Academic Papers | svg |
dcb8dc3920aa45348198e1ae34eb422702366f9e0c3f19e61c0f6a81104dd142 | 2026-01-13T00:00:00-05:00 | The HITRAN2024 methane update | arXiv:2511.21840v3 Announce Type: replace Abstract: Spectroscopic parameters of methane from many different studies were gathered to improve the HITRAN database towards its 2024 version. After a validation process using high-resolution FTS and CRDS spectra, about 80,000 lines of the four most abundant isotopologues wer... | https://arxiv.org/abs/2511.21840 | Academic Papers | svg |
3b8478f472cf60d7dce20bf68a8ee4963c9c7f5b4490435462b6e2f94e4392e8 | 2026-01-13T00:00:00-05:00 | Large Language Models for Limited Noisy Data: A Gravitational Wave Identification Study | arXiv:2512.04031v2 Announce Type: replace Abstract: This work investigates whether large language models (LLMs) offer advantages over traditional neural networks for astronomical data processing, in regimes with non-Gaussian, non-stationary noise and limited labeled samples. Gravitational wave observations provide an s... | https://arxiv.org/abs/2512.04031 | Academic Papers | svg |
c6ff2cd00871852e9180594cd8f29e5a4f644697d2309527f098714f0057df8e | 2026-01-13T00:00:00-05:00 | ExoMol line lists -- LXIII: ExoMol line lists for 12 isotopologues of CO$_2$ | arXiv:2512.13889v2 Announce Type: replace Abstract: Extensive rovibrational line lists are constructed for 12 isotopologues of carbon dioxide: $^{12}$C$^{16}$O$_2$, $^{13}$C$^{16}$O$_2$, $^{12}$C$^{17}$O$_2$, $^{13}$C$^{17}$O$_2$, $^{12}$C$^{18}$O$_2$, $^{13}$C$^{18}$O$_2$, $^{16}$O$^{12}$C$^{17}$O, $^{16}$O$^{12}$C$^{... | https://arxiv.org/abs/2512.13889 | Academic Papers | svg |
102c79c8b3f6c728104b944da591624bbb15335850f74ddf3b34d45cb85e5a26 | 2026-01-13T00:00:00-05:00 | First reverberation mapping of a Bowen fluorescence line | arXiv:2512.15497v2 Announce Type: replace Abstract: Reverberation mapping (RM) is a powerful tool to determine the extent, structure, and kinematics of the broad-line region (BLR) of active galactic nuclei (AGN). So far, RM of the BLR has only been performed for recombination lines responding to the varying ionizing co... | https://arxiv.org/abs/2512.15497 | Academic Papers | svg |
ea99972b05487a65fbc9d7ec0f01af87b15babf0a040bb5091c589b246ed540e | 2026-01-13T00:00:00-05:00 | Multiband Gravitational Wave Detection Prospects for M31 UCXB-1 System in Low and Middle Frequency Band | arXiv:2512.21520v2 Announce Type: replace Abstract: The recent discovery of M31 UCXB-1, the first extragalactic ultracompact X-ray binary (UCXB) with an orbital period of $T_{\rm orb} \sim 465$ s, presents a unique laboratory for studying close binary evolution and an unprecedented target for continuous gravitational w... | https://arxiv.org/abs/2512.21520 | Academic Papers | svg |
90cda64f85a4bad18fda7b6ad8a56703c546ef277aca73b208d335baeaad25f9 | 2026-01-13T00:00:00-05:00 | Particle production and Higgs reheating | arXiv:2512.21658v2 Announce Type: replace Abstract: Reheating is essential for transforming the cold, vacuum dominated Universe at the end of inflation into the hot thermal bath required by the Standard Model. In many well motivated inflationary models, however, the inflaton has no direct couplings to other fields, rai... | https://arxiv.org/abs/2512.21658 | Academic Papers | svg |
915423822da6019bd737405bf9b8c95208d37f0fb2ca14bf85c79047795bffe0 | 2026-01-13T00:00:00-05:00 | A global view of post-interaction white dwarf-main sequence binaries | arXiv:2601.00439v2 Announce Type: replace Abstract: Common-envelope evolution (CEE) is among the most uncertain phases in binary evolution. To empirically constrain CEE, we construct a uniformly selected sample of eclipsing post--common-envelope binaries (PCEBs). Starting from an unresolved white dwarf-main-sequence (W... | https://arxiv.org/abs/2601.00439 | Academic Papers | svg |
b8aadf295702cf646d895fe56b81fab4ae759d7928fa23665676b861a732c593 | 2026-01-13T00:00:00-05:00 | Vetting and False Positive Analysis of TOI 864.01: Evidence for a Likely Hierarchical Eclipsing Binary Masked by Dilution | arXiv:2601.02171v3 Announce Type: replace Abstract: We present a detailed vetting analysis of the TESS candidate TOI 864.01, initially identified as a potential ultra-short-period ($P \approx 0.52$ d) Earth-sized planet orbiting an M-dwarf. Using 12 sectors of TESS photometry spanning a multi-year baseline, we recover ... | https://arxiv.org/abs/2601.02171 | Academic Papers | svg |
c67e198e0cd5a987ba00517df056757778b235567d4f97643851a790286c1ff0 | 2026-01-13T00:00:00-05:00 | Energetic particles accelerated via turbulent magnetic reconnection in protoplanetary discs - I. Ionisation rates | arXiv:2601.05060v2 Announce Type: replace Abstract: Context. Ionisation controls the chemistry, thermal balance, and magnetic coupling in protoplanetary discs. However, standard ionisation vectors such as stellar UV, X-rays, Galactic cosmic rays (GCRs) might not be efficient enough, as UV/X-rays are attenuated rapidly ... | https://arxiv.org/abs/2601.05060 | Academic Papers | svg |
a21a2f1b63ce8e40db3ab9b72cf74ec7b8e4263ec73c0b4fe1332fccbd27a6ae | 2026-01-13T00:00:00-05:00 | Hidden pattern of self-invariant cosmic expansion: Empirical evidence from Hubble diagram of supernovae | arXiv:2601.05512v2 Announce Type: replace Abstract: We present empirical evidence extracted from the Pantheon Catalog of SNeIa demonstrating that the speed of light varies as the universe expands. Moreover, the speed of light must vary in a specific quantifiable manner. Departing from the standard $\Lambda$CDM model, w... | https://arxiv.org/abs/2601.05512 | Academic Papers | svg |
8a5d94d361aca5bd63fa0682ce65aeed0524545d0689d785862ee90b7ed51c3d | 2026-01-13T00:00:00-05:00 | Corrections to the Black hole entropy from a Bose Einstein condensate: a semi-classical phenomenological approach | arXiv:2501.04358v2 Announce Type: replace-cross Abstract: In this paper we obtain logarithmic corrections to the black hole entropy. Motivated by our recent proposal concerning the nature of the degrees of freedom leading to the black hole entropy in terms of a Bose Einstein (BEC) condensate of gravitons, we study how ... | https://arxiv.org/abs/2501.04358 | Academic Papers | svg |
2c3b01e8698b09bbb557fd76ba3c6aba96a2cbb557088f73b7bada002e92baff | 2026-01-13T00:00:00-05:00 | Supernova constraints on lepton flavor violating ALPs | arXiv:2501.12075v3 Announce Type: replace-cross Abstract: Supernovae offer a unique hot and dense environment to probe new physics beyond the Standard Model. We investigate supernova cooling constraints on lepton-flavor-violating (LFV) axions and axion-like particles (ALPs) that couple to electrons and muons. For LFV-A... | https://arxiv.org/abs/2501.12075 | Academic Papers | svg |
8af56bfaa92241f334e426e8ad5744ef8fbf26f7367c30e4bd3577f3e7f7b410 | 2026-01-13T00:00:00-05:00 | Enhancing gravitational-wave detection: a machine learning pipeline combination approach with robust uncertainty quantification | arXiv:2504.17587v3 Announce Type: replace-cross Abstract: Gravitational-wave data from advanced-era interferometric detectors consists of background Gaussian noise, frequent transient artefacts, and rare astrophysical signals. Multiple search algorithms exist to detect the signals from compact binary coalescences, but ... | https://arxiv.org/abs/2504.17587 | Academic Papers | svg |
2198e6e31a73dd55571a930fde27112433c943d1abd26dab01b866fc3e3c93a7 | 2026-01-13T00:00:00-05:00 | Dark Matter in X-rays: Revised XMM-Newton Limits and New Constraints from eROSITA | arXiv:2506.02310v3 Announce Type: replace-cross Abstract: We investigate two classes of dark matter (DM) candidates, sub-GeV particles and primordial black holes (PBHs), that can inject low-energy electrons and positrons into the Milky Way and leave observable signatures in the X-ray sky. In the case of sub-GeV DM, ann... | https://arxiv.org/abs/2506.02310 | Academic Papers | svg |
2952ba4e7346bc51a4e7125aecd6769dec6ba58ae1bbf1b5f441f0926c4501af | 2026-01-13T00:00:00-05:00 | Diffuse astrophysical neutrinos from dark matter around blazars | arXiv:2506.06416v2 Announce Type: replace-cross Abstract: Neutrinos from blazars can originate from inelastic scatterings between protons within their jets and sub-GeV dark matter (DM) around them, explaining IceCube detections of neutrinos from TXS 0506+056 that are otherwise challenging for models of its jet. In this... | https://arxiv.org/abs/2506.06416 | Academic Papers | svg |
24967a7adc06c9665b3d0a4e749f2c036fc8180ee5e148550c9cdffeefc73bb1 | 2026-01-13T00:00:00-05:00 | Stability of Thin Shell and Wormhole Configurations: Schwarzschild, Schwarzschild -- (Anti-) de Sitter, and FLRW Spacetimes | arXiv:2507.00315v2 Announce Type: replace-cross Abstract: The stability of thin shell wormholes and black holes to linearized spherically symmetric perturbations about a static equilibrium is analyzed. Thin shell formalism is explored and junctions formed from combinations of Schwarzschild, Schwarzschild - de Sitter, a... | https://arxiv.org/abs/2507.00315 | Academic Papers | svg |
d36e92ec7b1e10da0412572962f5cf256eaeaad1b37bc9be9ae199f8a31bbd6b | 2026-01-13T00:00:00-05:00 | Quasi-Normal Modes and Nonlinear Electrodynamics in Black Hole Phase Transitions | arXiv:2508.00404v5 Announce Type: replace-cross Abstract: We investigate the connection between thermodynamic phase transitions and quasi-normal modes (QNMs) in charged black holes with a positive curvature constant, within the framework of $F(R)$-Euler-Heisenberg gravity. Nonlinear electromagnetic fields lead to rich ... | https://arxiv.org/abs/2508.00404 | Academic Papers | svg |
3b3529fcde06d2b213faeb835ad5064a15ef08ab91684f23edcce33a9bcfab35 | 2026-01-13T00:00:00-05:00 | Color-superconducting quarkyonic matter | arXiv:2509.03517v2 Announce Type: replace-cross Abstract: We explore the role of color superconductivity in quarkyonic matter under the conditions of color and electric neutrality at $\beta$- and strong equilibrium, as relevant for neutron stars. By explicitly incorporating the color-superconducting pairing gap into th... | https://arxiv.org/abs/2509.03517 | Academic Papers | svg |
1bbb7122ece2762983b1abfa744bf0eb0a5cad2678ede5053643a1bc048363ab | 2026-01-13T00:00:00-05:00 | Uncertainty in predicting the stochastic gravitational wave background from compact binary coalescences | arXiv:2510.02163v2 Announce Type: replace-cross Abstract: The stochastic gravitational-wave background from compact binary coalescences is expected to be the first detectable stochastic signal via cross-correlation searches with terrestrial detectors. It encodes the cumulative merger history of stellar-mass binaries ac... | https://arxiv.org/abs/2510.02163 | Academic Papers | svg |
66cb383e1e57b95b49512796e31c68c1595951e2841145f01b172ec2dc4de7a0 | 2026-01-13T00:00:00-05:00 | Cavity Multimodes as an Array for High-Frequency Gravitational Waves | arXiv:2601.03341v2 Announce Type: replace-cross Abstract: Microwave cavities operated in the presence of a background magnetic field provide a promising avenue for detecting high-frequency gravitational waves (HFGWs). We demonstrate for the first time that the distinct antenna patterns of multiple electromagnetic modes... | https://arxiv.org/abs/2601.03341 | Academic Papers | svg |
e0de43bc63b5385d587795d8bf8a2c100be1abce90863158f4e1b3075ccf1c0a | 2026-01-13T00:00:00-05:00 | Resolving the automation paradox: falling labor share, rising wages | arXiv:2601.06343v1 Announce Type: new Abstract: A central socioeconomic concern about Artificial Intelligence is that it will lower wages by depressing the labor share - the fraction of economic output paid to labor. We show that declining labor share is more likely to raise wages. In a competitive economy with constan... | https://arxiv.org/abs/2601.06343 | Academic Papers | svg |
3a10023b68d7cef6fbc072a6533f5c95391e3884cde8519909381a5385585d78 | 2026-01-13T00:00:00-05:00 | Long-Term Causal Inference with Many Noisy Proxies | arXiv:2601.06359v1 Announce Type: new Abstract: We propose a method for estimating long-term treatment effects with many short-term proxy outcomes: a central challenge when experimenting on digital platforms. We formalize this challenge as a latent variable problem where observed proxies are noisy measures of a low-dim... | https://arxiv.org/abs/2601.06359 | Academic Papers | svg |
7e3173974c2d9452d3152a70e40b191748ad2b082b6f6098841a42e3dca0208d | 2026-01-13T00:00:00-05:00 | The Promise of Time-Series Foundation Models for Agricultural Forecasting: Evidence from Marketing Year Average Prices | arXiv:2601.06371v1 Announce Type: new Abstract: Forecasting agricultural markets remains a core challenge in business analytics, where nonlinear dynamics, structural breaks, and sparse data have historically limited the gains from increasingly complex econometric and machine learning models. As a result, a long-standin... | https://arxiv.org/abs/2601.06371 | Academic Papers | svg |
feafa60ecf4cf76f3a348f5c97fe63b23af86b0be84bef9c466b36e8823f94cf | 2026-01-13T00:00:00-05:00 | Bounded Rationality with Subjective Evaluations in Enlivened but Truncated Decision Trees | arXiv:2601.06405v1 Announce Type: new Abstract: In normative models a decision-maker is usually assumed to be Bayesian rational, and so to maximize subjective expected utility, within a complete and correctly specified decision model. Following the discussion in Hammond (2007) of Schumpeter's (1911, 1934) concept of en... | https://arxiv.org/abs/2601.06405 | Academic Papers | svg |
b3530a940b1943a0912b0b1c63d324b31c8875527deb743038e38b4fd4c33d2d | 2026-01-13T00:00:00-05:00 | Sign Accuracy, Mean-Squared Error and the Rate of Zero Crossings: a Generalized Forecast Approach | arXiv:2601.06547v1 Announce Type: new Abstract: Forecasting entails a complex estimation challenge, as it requires balancing multiple, often conflicting, priorities and objectives. Traditional forecast optimization criteria typically focus on a single metric -such as minimizing the mean squared error (MSE)- which may o... | https://arxiv.org/abs/2601.06547 | Academic Papers | svg |
16addfa2d460e275fea90a3f223804acee7d85dd4507cfd0ac56147e3178eacc | 2026-01-13T00:00:00-05:00 | Empirical Bayes Estimation in Heterogeneous Coefficient Panel Models | arXiv:2601.07059v1 Announce Type: new Abstract: We develop an empirical Bayes (EB) G-modeling framework for short-panel linear models with multidimensional heterogeneity and nonparametric prior. Specifically, we allow heterogeneous intercepts, slopes, dynamics, and a non-spherical error covariance structure. We establi... | https://arxiv.org/abs/2601.07059 | Academic Papers | svg |
6997270a0d2cd9e8f37981ec206f32362752d21b02da9b78ee9e54ec117c33f9 | 2026-01-13T00:00:00-05:00 | A Note on 'The Limits of Price Discrimination' by Bergemann, Brooks, and Morris | arXiv:2601.07452v1 Announce Type: new Abstract: This note revisits the analysis of third-degree price discrimination developed by Bergemann et al. (2015), which characterizes the set of consumer-producer surplus pairs that can be achieved through market segmentation. This was proved by means of market segmentation with... | https://arxiv.org/abs/2601.07452 | Academic Papers | svg |
668f622d3e9cce7dc2766c25b7503724b45089d57a7a239ca689611720b81c01 | 2026-01-13T00:00:00-05:00 | Modelling Distributional Impacts of Carbon Taxation: a Systematic Review and Meta-Analysis | arXiv:2601.07713v1 Announce Type: new Abstract: Carbon taxes are increasingly popular among policymakers but remain politically contentious. A key challenge relates to their distributional impacts; the extent to which tax burdens differ across population groups. As a response, a growing number of studies analyse their ... | https://arxiv.org/abs/2601.07713 | Academic Papers | svg |
2f67474cb63a02dc22b376b59ac0850ae58f0b08eda0a427ba084c0a15bf3ee4 | 2026-01-13T00:00:00-05:00 | Who sets the range? Funding mechanics and 4h context in crypto markets | arXiv:2601.06084v1 Announce Type: cross Abstract: Financial markets often appear chaotic, yet ranges are rarely accidental. They emerge from structured interactions between market context and capital conditions. The four-hour timeframe provides a critical lens for observing this equilibrium zone where institutional pos... | https://arxiv.org/abs/2601.06084 | Academic Papers | svg |
2133c5c7ce4d5125321ec880e62ad310ca29f28cf4d81f82b7caa16657267ba9 | 2026-01-13T00:00:00-05:00 | Crypto Pricing with Hidden Factors | arXiv:2601.07664v1 Announce Type: cross Abstract: We estimate risk premia in the cross-section of cryptocurrency returns using the Giglio-Xiu (2021) three-pass approach, allowing for omitted latent factors alongside observed stock-market and crypto-market factors. Using weekly data on a broad universe of large cryptocu... | https://arxiv.org/abs/2601.07664 | Academic Papers | svg |
cfb17773ade5cbee88897d490f3f316c31e6723b5b17f842e3fdc42715ac5908 | 2026-01-13T00:00:00-05:00 | Recursive Score and Hessian Computation in Regime-Switching Models | arXiv:2205.01565v2 Announce Type: replace Abstract: This study proposes a recursive and easy-to-implement algorithm to compute the score and Hessian matrix in general regime-switching models. We use simulation to compare the asymptotic variance estimates constructed from the Hessian matrix and the outer product of the ... | https://arxiv.org/abs/2205.01565 | Academic Papers | svg |
8ebb856fb39e6f77b26a77df0112030cffdd03bef665dfc2ebd508ca114c9979 | 2026-01-13T00:00:00-05:00 | Regulation and Frontier Housing Supply | arXiv:2208.01969v5 Announce Type: replace Abstract: Regulation is a major driver of housing supply, yet often difficult to observe directly. This paper estimates frontier cost, the non-land cost of producing housing absent regulation, and regulatory tax, which quantifies regulation in money terms. Working within an urb... | https://arxiv.org/abs/2208.01969 | Academic Papers | svg |
b7e918bee3b8e1959ec0866bce96cc48ae7966b4dc0a365bd0ea77f45308b608 | 2026-01-13T00:00:00-05:00 | Forecasted Treatment Effects | arXiv:2309.05639v4 Announce Type: replace Abstract: We consider estimation and inference of the effects of a policy in the absence of an untreated or control group. We obtain unbiased estimators of individual (heterogeneous) treatment effects and a consistent and asymptotically normal estimator of the average treatment... | https://arxiv.org/abs/2309.05639 | Academic Papers | svg |
b39ece6e4089bf46422e212b00aeceb60270a4477ef5798a485c9246cda963f3 | 2026-01-13T00:00:00-05:00 | Identifying Causal Effects in Information Provision Experiments | arXiv:2309.11387v5 Announce Type: replace Abstract: Standard estimators in information provision experiments place more weight on individuals who update their beliefs more in response to new information. This paper shows that, in practice, these individuals who update the most have the weakest causal effects of beliefs... | https://arxiv.org/abs/2309.11387 | Academic Papers | svg |
38ee63e655541fc41b1c913131841b64cdce332142a7d635166e74ea144c9267 | 2026-01-13T00:00:00-05:00 | New Compensating and Equivalent Variation Closed-form Solutions for Non-Separable Public Goods | arXiv:2401.15493v3 Announce Type: replace Abstract: This study finds exact closed-form solutions for compensating variation (CV) and equivalent variation (EV) for both marginal and non-marginal changes in public goods given homothetic, but non-separable, utility where a single sufficient statistic summarizes consumer p... | https://arxiv.org/abs/2401.15493 | Academic Papers | svg |
0a66b8583ca7a58b3496d16b789907daa4fdd6903097ac25858268c15f303401 | 2026-01-13T00:00:00-05:00 | On Causal Inference with Model-Based Outcomes | arXiv:2403.19563v5 Announce Type: replace Abstract: We study the estimation of causal effects on group-level parameters identified from microdata (e.g., child penalties). We demonstrate that standard one-step methods (such as pooled OLS and IV regressions) are generally inconsistent due to an endogenous weighting bias,... | https://arxiv.org/abs/2403.19563 | Academic Papers | svg |
41a31e0362f7ee3c060fe65bb761a96fd8f747712b67bc1eedb6f2bb07904ae5 | 2026-01-13T00:00:00-05:00 | Simulation in discrete choice models evaluation: SDCM, a simulation tool for performance evaluation of DCMs | arXiv:2407.17014v3 Announce Type: replace Abstract: Discrete choice models (DCMs) have been widely utilized in various scientific fields, especially economics, for many years. These models consider a stochastic environment influencing each decision maker's choices. Extensive research has shown that the agents' socioeco... | https://arxiv.org/abs/2407.17014 | Academic Papers | svg |
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