cs.DS

• Fast Rational Search via Stern-Brocot Tree
• Graph-based Nearest Neighbors with Dynamic Updates via Random Walks
• Constrained Cuts, Flows, and Lattice-Linearity
• Learning Dependency Models for Subset Repair
• Quantization for Vector Search under Streaming Updates
• Constant Approximation of Arboricity in Near-Optimal Sublinear Time
• Fare Zone Assignment
• Near-optimal streaming approximation for Max-DICUT in sublinear space using two passes
• Clustering with Label Consistency
• On Factoring and Power Divisor Problems via Rank-3 Lattices and the Second Vector
• Clustering with Set Outliers and Applications in Relational Clustering
• Learned Static Function Data Structures
• JFR: An Efficient Jump Frontier Relaxation Strategy for Bellman-Ford
• A tight example for approximation ratio 5 for covering small cuts by the primal-dual method
• Sub-$n^k$ Deterministic algorithm for minimum $k$-way cut in simple graphs
• Learning Confidence Ellipsoids and Applications to Robust Subspace Recovery
• Fast Compressed-Domain N-Point Discrete Fourier Transform: The "Twiddless" FFT Algorithm
• Efficient Hypergraph Pattern Matching via Match-and-Filter and Intersection Constraint

astro-ph.CO

• The Clustering of Little Red Dots from Ultra-Strongly Self-Interacting Dark Matter
• Harmony of the Spheres: Extension to All Points of an Algorithm for Producing a Density Field with Given Two-, Three-, and Four-Point Correlation Functions
• Nanohertz Gravitational Waves
• Constraints on the polarization angle oscillations of the Crab Nebula with the Simons Array and its applications to the search for axion-like particles
• Weak Lensing Mass Calibration of the ACT DR5 Galaxy Clusters with the DES Year 3 Weak Lensing Data
• $\Omega_1\Omega_2$-$\Lambda$CDM: A promising natural extension of the standard model of cosmology
• DESI DR2 Constraints on the $R_h=ct$ Universe: Model Viability and Comparison with $\Lambda$CDM
• Illuminating the Dark Sector: Understanding Modified Gravity Signatures with Cross-Correlations of Gravitational Waves and Large-Scale Structure
• Dynamics of clusters of galaxies in the presence of dark energy: Virgo cluster
• Revealing the intricacies of radio galaxies and filaments in the merging galaxy cluster Abell 2255. II. Properties of filaments using multi-frequency radio data
• Low-redshift 3D Lyman-{\alpha} Forest Correlations with China Space Station Telescope
• Do low-redshift observations open the doors to an open universe?
• Deep Learning for Primordial $B$-mode Extraction
• Non-local-in-time structure formation and sixth-order galaxy bias
• InterACTing dark radiation models after ACT
• A cosmologist's take on Little Red Dots
• Are Primordial Black Holes Truly Fine-Tuned?
• Effects of helium sedimentation on late star formation in galaxy clusters
• A Correlation Between Black Hole Mass and Dark Matter Halo Concentration in Cosmological Simulations
• First-Principles Formalism for Simulating Self-Interacting Dark Matter
• Discovery of a Luminosity-dependent Continuum Lag in NGC 4151 from Photometric and Spectroscopic Continuum Reverberation Mapping
• Measurements of quasar proximity zones with the Lyman-$\alpha$ forest of DESI Y1 quasars
• Standard Sirens in 2040s: Probing the Cosmic Expansion History with Gravitational Waves and Spectroscopic Galaxy Surveys
• The Extended Baryonic Tully-Fisher Relation for MaNGA Galaxies
• Scalar-Mediated Inelastic Dark Matter as a Solution to Small-Scale Structure Anomalies
• Gravitational Production of Massive Spin-2 Particles During Reheating
• The First Model-Independent Upper Bound on Micro-lensing Signature of the Highest Mass Binary Black Hole Event GW231123
• GW231123: A Case for Binary Microlensing in a Strong Lensing Field
• Ultra-high precision high voltage system for PTOLEMY
• Parameter estimation for the GWTC-4.0 catalog with phenomenological waveform models that include orbital eccentricity and an updated description of spin precession
• Probing Dark Sectors with Exploding Black Holes: Gamma Rays
• The Atacama Cosmology Telescope: A Measurement of the DR6 CMB Lensing Power Spectrum and its Implications for Structure Growth
• Hint of dark matter-dark energy interaction in DESI DR2 and current cosmological dataset?
• Time Non-locality in Dark Matter and LSS
• Modeling and measuring the anisotropic halo 3-point correlation function: a coordinated study
• Constraining primordial black hole abundance with Insight-HXMT
• Cosmological search for sterile neutrinos after DESI 2024
• Multi-copy Axion Transfer Function and Observational Implications of Effective de Broglie Scales
• Interacting dark energy after DESI DR2: a challenge for $\Lambda$CDM paradigm?
• Accurate and efficient likelihood modeling for large-scale CMB data
• TDCOSMO 2025: Cosmological constraints from strong lensing time delays
• Indicator Functions: Distilling the Information from Gaussian Random Fields
• An Enhanced Thermodynamic Framework for Third-Order Galaxy Correlation Functions: A Physically Motivated Closure and Observational Test
• Mitigating incoherent excess variance in high-redshift 21 cm observations with multi-output cross-Gaussian process regression
• Exponential quintessence with momentum coupling to dark matter
• Echoes from the dark: Galaxy catalog incompleteness in standard siren cosmology
• Transverse Velocities in Real-Time Cosmology: Position Drift in Relativistic N-Body Simulations
• Is Dark Energy Changing? Probing the Universe's Expansion with present and future astronomical probes
• The Lensing Counter Narrative: An Effective Description of Small-Scale Clustering in Weak Lensing Power Spectra
• Mitigating Nonlinear Systematics in Weak Lensing Surveys II: Stability and Diagnostics with Intrinsic Alignment
• DESI-DR1 $3 \times 2$-pt analysis: consistent cosmology across weak lensing surveys
• The Power of DESI for Photometric Redshift Calibration: A Case Study with KiDS-1000
• The contribution from small scales on two-point shear analysis: comparison between power spectrum and correlation function
• Boosted dark matter from primordial black holes produced in a first-order phase transition
• Stellar Stripping and Disruption in Disks around Supermassive Black Hole Binaries: Repeating nuclear transients prior to LISA events
• Sound waves from primordial black hole formations
• The Possibility of Formation of Compact Boson Stars via Cosmological Evolution of a Background Scalar Field
• Revisiting Isocurvature Bounds on the Minimal QCD Axion
• Dark wounds on icy moons: Ganymede's subsurface ocean as a dark matter detector
• Predicting stellar collision outcomes of main sequence stars
• Streamlined Supergravity
• The meaning of "Big Bang"
• Spectroscopic characterization of a remarkable temporally varying, triple-lensed quasar at z=2.67
• GLIMPSE-D: An Exotic Balmer-Jump Object at z=6.20? Revisiting Photometric Selection and the Cosmic Abundance of Pop III Galaxies
• Quantum Walks and Exact RG in de Sitter Space
• Delayed Scaling of Multi-Type Cosmic F- and D-strings in VOS Models