TOI-2195 A b is an inflated hot Neptune that likely originated as a Jovian planet losing ~90% mass through Roche lobe overflow during EKL-driven high-eccentricity migration triggered by a wide binary companion.
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representative citing papers
LRD host galaxies show average metallicity 0.08 Z_sun with narrow stable range, challenging pristine-gas formation models while ruling out typical local AGN.
One acceleration measurement equals ~10^5 phase-space measurements for local dark matter density estimation, with acceleration outperforming Jeans modeling in both equilibrium and perturbed Milky Way simulations.
A new redshift-correlation technique with third-generation GW detectors can constrain the BNS contribution to cosmic r-process nucleosynthesis to 5-6% precision via Fisher forecasts on mock bright- and dark-siren data.
Calypso is a parameter-conditioned stochastic surrogate model for circumbinary accretion flows using PCA and multivariate Gaussian modeling, released as open-source software with a closed-form likelihood for parameter inference from time series.
Releases first open high-fidelity CFD dataset of 1800 samples from 180 variants of NASA high-lift CRM at 10 angles of attack using GPU-accelerated wall-modeled LES.
The Double Folding Test of Unimodality resolves systematic failures of the original FTU on Dirac and Gaussian mixtures and enhances multimodality detection.
A new three-point inverse solution using the α-β model reconstructs meteoroid masses and bulk densities from limited fireball observations, achieving 88% convergence on the EN catalog and producing a continuous density range of 300-4000 kg m^{-3} instead of discrete PE categories.
The global empirical NTK for finite-width networks has a universal Kronecker-core form that makes it structurally low-rank and biases gradient descent toward dominant modes of joint input-hidden activity.
Spectroscopic members of the M92 stream yield a Milky Way bar pattern speed of 29.1 +0.7/-0.4 km s^{-1} kpc^{-1}.
A myopic MINMPC framework learns a value function offline via inverse optimization from expert data, allowing short horizons with near-optimal performance and strict integer feasibility online for hybrid systems.
ACT blocks enable neural operators to learn adaptive coordinate systems via differentiable sampling, yielding consistent accuracy gains on PDE benchmarks by reducing spatial misalignment and operator complexity.
Detection of helium lines in Balmer-dominated shocks of Type Ia SNRs reveals enhanced helium in some remnants and challenges shock models, enabling new constraints on progenitor environments.
Cosmological MBHBs coalesce in ~1 Gyr with high eccentricities; scaling relations from 30 Griffin re-simulations link dynamical-friction, hardening and total times to galaxy and orbital properties.
Efficient cosmic-ray transport in CR-pressure-dominated CGM simulations produces stronger cool-gas absorption (MgII, SiII) and covering fractions matching star-forming galaxies, while slow transport underproduces them.
Posterior Overlap 2.0 finds no lensed BBH pairs in O1–O4a (p_L < 0.6% for all pairs) and sets a 90% upper bound of 1.4% on the strong-lensing fraction.
Atlas of 205 non-recycled southern pulsars at 140–170 MHz from MWA SMART data, with profiles, DMs, RMs, fluxes and public data products for SKA-Low.
SN 2011kl is broadly consistent with an LFBOT light-curve model and ULGRB hosts match LFBOT/LGRB environments, supporting a shared He-CO merger progenitor for a subset of both classes.
UV spectroscopy of the 44 nearest white dwarfs reveals a 2–6% temperature discrepancy between UV and optical model fits, six UV-only metal detections, and a 30% planetary debris accretion rate.
A monotonic ICNN architecture with domain reduction to the positive octant approximates polyconvex envelopes of isotropic functions more efficiently than existing necessary-and-sufficient methods, demonstrated on Saint Venant-Kirchhoff energy.
Persona-driven generations by LLMs in MCQA tasks exhibit instability that differs systematically by model family, size, domain, and prompt format.
FLAMINGO simulation analysis shows IA amplitude for LRGs depends on halo assembly history and exhibits redshift evolution beyond mass effects, yielding an empirical mass-redshift model.
An optimization algorithm determines the optimal source surface radius for PFSS models by minimizing MSE against PSP radial field data from encounters 1-19 after backmapping, yielding increasing R_ss from solar minimum into cycle 25 ascending phase with improved open flux agreement.
Scout-Assisted Planning uses UAV scouts and a GNN to predict information gain for pruning actions, cutting UGV travel costs by 31.9-37.7% versus the Canadian Traveler Problem baseline in partially known environments.
citing papers explorer
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Discovery of an Inflated Hot Neptune and Its Formation from Jovian Mass Loss
TOI-2195 A b is an inflated hot Neptune that likely originated as a Jovian planet losing ~90% mass through Roche lobe overflow during EKL-driven high-eccentricity migration triggered by a wide binary companion.
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The metallicities of little red dot host galaxies: LRDs are metal poor, but not pristine
LRD host galaxies show average metallicity 0.08 Z_sun with narrow stable range, challenging pristine-gas formation models while ruling out typical local AGN.
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An Acceleration is Worth a Hundred Thousand Phase Space Measurements
One acceleration measurement equals ~10^5 phase-space measurements for local dark matter density estimation, with acceleration outperforming Jeans modeling in both equilibrium and perturbed Milky Way simulations.
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Inferring the role of binary neutron star mergers in r-process nucleosynthesis with multi-messenger observations using Cosmic Explorer and Einstein Telescope
A new redshift-correlation technique with third-generation GW detectors can constrain the BNS contribution to cosmic r-process nucleosynthesis to 5-6% precision via Fisher forecasts on mock bright- and dark-siren data.
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\texttt{calypso}: a Parameter-Conditioned Stochastic Surrogate Model for Circumbinary Accretion Time-Series
Calypso is a parameter-conditioned stochastic surrogate model for circumbinary accretion flows using PCA and multivariate Gaussian modeling, released as open-source software with a closed-form likelihood for parameter inference from time series.
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HiLiftAeroML: High-Fidelity Computational Fluid Dynamics Dataset for High-Lift Aircraft Aerodynamics
Releases first open high-fidelity CFD dataset of 1800 samples from 180 variants of NASA high-lift CRM at 10 angles of attack using GPU-accelerated wall-modeled LES.
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A Note on the Folding Test of Unimodality: limitation and improved alternative
The Double Folding Test of Unimodality resolves systematic failures of the original FTU on Dirac and Gaussian mixtures and enhances multimodality detection.
-
Consistency between dynamical modeling and photometrically derived masses of fireballs
A new three-point inverse solution using the α-β model reconstructs meteoroid masses and bulk densities from limited fireball observations, achieving 88% convergence on the EN catalog and producing a continuous density range of 300-4000 kg m^{-3} instead of discrete PE categories.
-
The Global Empirical NTK: Self-Referential Bias and Dimensionality of Gradient Descent Learning
The global empirical NTK for finite-width networks has a universal Kronecker-core form that makes it structurally low-rank and biases gradient descent toward dominant modes of joint input-hidden activity.
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Constraining the Galactic bar using the M92 stellar stream
Spectroscopic members of the M92 stream yield a Milky Way bar pattern speed of 29.1 +0.7/-0.4 km s^{-1} kpc^{-1}.
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Learning myopic mixed-integer nonlinear model predictive control from expert demonstrations
A myopic MINMPC framework learns a value function offline via inverse optimization from expert data, allowing short horizons with near-optimal performance and strict integer feasibility online for hybrid systems.
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Adaptive Coordinate Transforms for Neural Operators
ACT blocks enable neural operators to learn adaptive coordinate systems via differentiable sampling, yielding consistent accuracy gains on PDE benchmarks by reducing spatial misalignment and operator complexity.
-
Helium emission from Balmer-dominated shocks in Type Ia supernova remnants provides constraints to their progenitor systems
Detection of helium lines in Balmer-dominated shocks of Type Ia SNRs reveals enhanced helium in some remnants and challenges shock models, enabling new constraints on progenitor environments.
-
Scaling Relations for Binary Black Hole Merger Times from Cosmological Initial Conditions
Cosmological MBHBs coalesce in ~1 Gyr with high eccentricities; scaling relations from 30 Griffin re-simulations link dynamical-friction, hardening and total times to galaxy and orbital properties.
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CRexit observed: probing cosmic ray transport in the circumgalactic medium with absorption line spectra
Efficient cosmic-ray transport in CR-pressure-dominated CGM simulations produces stronger cool-gas absorption (MgII, SiII) and covering fractions matching star-forming galaxies, while slow transport underproduces them.
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Search for strong lensing of gravitational waves in the binary black hole events from O1-O4a
Posterior Overlap 2.0 finds no lensed BBH pairs in O1–O4a (p_L < 0.6% for all pairs) and sets a 90% upper bound of 1.4% on the strong-lensing fraction.
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The Southern-sky MWA Rapid Two-metre (SMART) pulsar survey--IV. Survey update and an atlas of 205 non-recycled southern pulsars
Atlas of 205 non-recycled southern pulsars at 140–170 MHz from MWA SMART data, with profiles, DMs, RMs, fluxes and public data products for SKA-Low.
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Compact Objects Merging with Stars as an Origin of Ultra-Long Gamma-Ray Bursts and Luminous Fast Blue Optical Transients
SN 2011kl is broadly consistent with an LFBOT light-curve model and ULGRB hosts match LFBOT/LGRB environments, supporting a shared He-CO merger progenitor for a subset of both classes.
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White dwarfs within 13 pc: Insights from ultraviolet spectroscopy
UV spectroscopy of the 44 nearest white dwarfs reveals a 2–6% temperature discrepancy between UV and optical model fits, six UV-only metal detections, and a 30% planetary debris accretion rate.
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Compression of Polyconvex Envelopes of Isotropic Functions via Monotonic Input Convex Neural Networks
A monotonic ICNN architecture with domain reduction to the positive octant approximates polyconvex envelopes of isotropic functions more efficiently than existing necessary-and-sufficient methods, demonstrated on Saint Venant-Kirchhoff energy.
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Persona Non Grata: LLM Persona-Driven Generations in MCQA are Unstable in Distinct Dimensions
Persona-driven generations by LLMs in MCQA tasks exhibit instability that differs systematically by model family, size, domain, and prompt format.
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Assembly bias and the redshift evolution of intrinsic alignments for LRGs
FLAMINGO simulation analysis shows IA amplitude for LRGs depends on halo assembly history and exhibits redshift evolution beyond mass effects, yielding an empirical mass-redshift model.
-
Optimization Algorithm for Determining the Source Surface Radius Based on Parker Solar Probe in situ Measurements from Encounters 1 to 19
An optimization algorithm determines the optimal source surface radius for PFSS models by minimizing MSE against PSP radial field data from encounters 1-19 after backmapping, yielding increasing R_ss from solar minimum into cycle 25 ascending phase with improved open flux agreement.
-
Scout-Assisted Planning for Heterogeneous Robot Teams under Partially Known Environments
Scout-Assisted Planning uses UAV scouts and a GNN to predict information gain for pruning actions, cutting UGV travel costs by 31.9-37.7% versus the Canadian Traveler Problem baseline in partially known environments.
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STARFIRE-2: Can we detect the global redshifted 21-cm signal from the cosmic dawn in Earth orbit?
Simulations using the STARFIRE-2 model indicate that the global redshifted 21-cm signal from the cosmic dawn is detectable from a low-Earth near-polar orbit with a thermal noise limited radiometer.
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Spider-Webb: enhanced star formation in low-mass galaxies within the Spiderweb protocluster revealed by JWST Pa$\beta$ narrow-band imaging
Low-mass Paβ emitters in the Spiderweb protocluster show enhanced star formation rates compared to field galaxies, with no significant deviation at higher masses.
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How does feature learning reshape the function space?
In the high-dimensional proportional regime, a large gradient step on a two-layer network induces a target-dependent spiked Gaussian covariance on the features, yielding a data-adaptive kernel that amplifies target-aligned eigenvalues and mixes leading eigenfunctions.
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Designing single-layer PDMS devices for micron to millimeter-scale deformations
Numerical sweep of 14k single-layer PDMS geometries shows PDMS height dominates ceiling deformation into U, W or inverse-U modes, experimentally validated for valves and lenses.
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No Stream Left Unscathed: The imprint of a host galaxy
Host galaxy potentials alone produce complex morphological features in most stellar streams, with pericentric distance as the strongest predictor of smoothness.
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Reweighting free energy profiles between universal machine learning interatomic potentials for fast consensus building
A reweighting method with mean energy-gap approximation transfers PMFs between MLIPs to recover target reaction and activation free energies at low cost for a 601-atom Li+ transport system across DFT levels.
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Quenching of X-ray emission in little red dots by both Compton-thick gas and high accretion rates
X-ray non-detection of little red dots requires both Compton-thick gas columns (~1e25 cm^-2) and intrinsically weak X-ray emission with bolometric correction k_bol,X ≳ 30.
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Guitar Nebula: extreme accelerator in extreme environment
The Guitar nebula's pulsar appears to accelerate electrons to within ~3/4 of the theoretical maximum potential, and its brightness is best explained by the pulsar crossing an old supernova remnant's compressed, magnetized shell.
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State-Space NTK Collapse Near Bifurcations
Bifurcations cause sNTK to reduce to a dominant rank-one channel matching normal forms, collapsing effective rank and funneling gradient descent into critical dynamical directions.
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Selectivity- and Activity-Aware Catalyst Descriptors for CO$_2$ Hydrogenation on Alloy Nanocatalysts using Machine-Learned Force Fields
A facet-resolved adsorption energy distribution method with ML force fields identifies active and methanol-selective alloy nanocatalyst surfaces for CO2 hydrogenation.
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Scalable GPU Construction of 3D Voronoi and Power Diagrams
A new GPU clipping algorithm with directional culling and hierarchical traversal constructs scalable 3D Voronoi and power diagrams for arbitrary point distributions.
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A single power law for the TRAPPIST-1 flare distribution across four orders of magnitude in energy
TRAPPIST-1 flares follow a single power law N(≥E_TESS) ∝ E_TESS^{-0.753} from 10^{29} to 10^{33} erg after sensitivity corrections and bandpass conversion.
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Finding Meaning in Embeddings: Concept Separation Curves
Concept Separation Curves provide a classifier-independent method to visualize and quantify how sentence embeddings distinguish conceptual meaning from syntactic variations across languages and domains.
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Global Offshore Wind Infrastructure: Deployment and Operational Dynamics from Dense Sentinel-1 Time Series
A global Sentinel-1 SAR time series dataset of 14.8M 1D backscatter profiles at 15,606 offshore wind infrastructure locations with a rule-based event classifier (macro F1=0.84) and a 553-series expert-annotated benchmark.
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ParamBoost: Gradient Boosted Piecewise Cubic Polynomials
ParamBoost improves GAMs by fitting piecewise cubic polynomials via gradient boosting and supports constraints for continuity, monotonicity, convexity, and feature interactions.
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Forget What Matters, Keep the Rest: Selective Unlearning of Informative Tokens
ETW uses predictive entropy as a proxy for token informativeness to improve selective unlearning in LLMs, achieving better forgetting with less utility loss than prior token-level methods.
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Quasi-periodic pulsations and three-dimensional magnetic reconnection during 2022 March 31 flare observed by IRIS & STIX
In the 2022 March 31 solar flare, hard X-ray QPPs correlate with UV pulsations in stationary ribbon regions tied to a specific loop system in a large-scale 3D reconnection structure, while slipping kernels experience weaker non-thermal energization.
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Exploring the synergies of $[\mathrm{O\,II}]\lambda 3727$ with MUSE spectroscopy in PHANGS H II regions
Adding SITELLE [O II] to PHANGS-MUSE for 556 H II regions recovers known metallicity-calibration offsets, shows <0.03–0.04 dex gradient scatter for many methods, and favors [S III]/[S II] as a robust ionization tracer.
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The DESI View of the Faint Radio Source Population in LoTSS DR2
Probabilistic spectroscopic classification of 251k LoTSS radio sources yields the largest high-confidence sample and confirms LERGs accrete below ~1% Eddington while HERGs accrete above it.
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The Merger-Driven Origin of the Vast Extended Stellar Disc Around the Andromeda Galaxy
N-body simulation of a major merger shows M31's extended rotating stellar disc as a stretched and warped remnant of the progenitor disc extending beyond 40 kpc.
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Wrinkles in Time. II. Stellar Age Trends in Kinematic Signatures from Transient Spiral Structure
Simulations show Lindblad-resonance wrinkles from non-winding spirals are filled with zero-age stars on orbits normally occupied by much older populations, offering an age-based constraint on past transient spiral patterns.
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Accelerating an ensemble of variational data assimilations with randomized preconditioning
EDA-specific RHS differences used as sketching matrix for randomized Hessian preconditioner accelerate linear solves across the ensemble in Lorenz-96 experiments.
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Gaia Exoplanet Orbits, Demographics, and Evolution Survey (GEODES): Characteristics of Three Long-Period Companions Accelerating their Host Stars
GEODES characterizes three accelerating nearby stars, finding a stellar companion, a 45-Jupiter-mass brown dwarf at about 18 AU, and a 9.5-Jupiter-mass companion that is more likely a planet than a brown dwarf.
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Scattered light signatures of flyby-induced warps in protoplanetary discs
Flyby-induced warps create observable oscillating shadows in scattered light for low-viscosity discs lasting most of their ~10^6 year lifetime, enabling surveys to probe viscosity.
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Connecting CGM enrichment with Lyman alpha emitters at 2.9 < z < 6.7
Blind MUSE search detects 156 LAEs at 2.9<z<6.7 with 34 C IV and 14 Mg II absorber associations, indicating low-mass galaxies enrich the CGM.
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Bulgeless Evolution And the Rise of Discs (BEARD) III. A numerical simulation view of satellites around Milky-Way analogues
Simulation comparison finds bulgeless galaxies host more centrally concentrated, disc-aligned satellites with steeper faint-end luminosity functions than bulge-dominated controls, reflecting co-evolution and quieter merger histories.