cs.DS

• Multi-LLM Query Optimization
• AutoCSF: Provably Space-Efficient Indexing of Skewed Key-Value Workloads via Filter-Augmented Compressed Static Functions
• Fast Spanning Tree Sampling in Broadcast Congested Clique
• Bounded Independence Edge Sampling for Combinatorial Graph Properties
• The Geometry of Efficient Nonconvex Sampling
• Advances in Exact and Approximate Group Closeness Centrality Maximization
• The Four Color Theorem with Linearly Many Reducible Configurations and Near-Linear Time Coloring
• Fast Iteration of Spaced k-mers
• Differentially Private Substring and Document Counting with Near-Optimal Error
• Deterministically Simulating Barely Random Algorithms in the Random-Order Arrival Model
• Counting large patterns in degenerate graphs
• Combinatorial Perpetual Scheduling: Existence and Computation of Low-Height Schedules
• Elastic Sketch under Random Stationary Streams: Limiting Behavior and Near-Optimal Configuration
• Approximation Schemes and Structural Barriers for the Two-Dimensional Knapsack Problem with Rotations
• An Optimal Product-State Approximation for 2-Local Quantum Hamiltonians with Positive Terms
• Quantum eigenvalue processing

astro-ph.CO

• A New Method to Simulate Dark Matter-Baryon Interactions and Application to an Isolated Disk Galaxy
• Large-scale weak lensing convergence in nonlinear general relativity
• From Origins to Observables: Distinguishing Dark Compact Objects with Population-Level Microlensing Signatures
• Cluster gravitational redshifts: uncertainties and survey requirements
• Particle Physics and Gravitational Waves as complementary windows on the Universe
• Structural Analysis of a Scalar-Tensor Realization of Interacting Dark Energy
• Interpretation of 21 cm Auto Power Spectrum Measurement at $z\sim 1$ by the Canadian Hydrogen Intensity Mapping Experiment
• Nonlinear Information from DESI Luminous Red Galaxies: An Emulator-Based Analysis of Pre- and Post-Reconstruction Power Spectra
• Bayesian analysis of $\alpha$-Starobinsky model with Planck, ACT and DESI data
• CMB constraints on dark matter-proton scattering: investigating prior-volume effects using profile likelihoods
• Parameterizing Dark Energy at the density level: A two-parameter alternative to CPL
• Testing Dark Energy with Black Hole Ringdown
• Cosmological coupled black holes immersed in dark sector
• Cosmological correlators from the Inflation end to CMB sky via reheating
• BLAZ4R and the eROSITA view of z>4 blazars
• ACT-Planck data and phase transitions from a viable no-scale Standard Model completion
• A Probabilistic Autoencoder for Galaxy SED Reconstruction and Redshift Estimation: Application to Mock SPHEREx Spectrophotometry
• The Universe Originating from an Empty Planck-Size Torus
• The background gas humming and multi-messenger transients of stalled supermassive black hole binaries
• UV-complete and stable Quintom Dark Energy models in the light of DESI DR2
• Cogenesis of visible and dark matter in type-I Dirac seesaw
• A scalable Bayesian framework for galaxy emission line detection and redshift estimation
• Primordial black hole formation from transient $f(T)$ cosmology
• Large Scale Spectrophotometric Relative Flux Calibration for the Roman High Latitude Wide Area Survey
• The 'Forgotten' Neutrons: Implications for the Propagation of High-Energy Cosmic Rays in Magnetized Astrophysical and Cosmological Structures
• Non parametric constraints of gravitational-electromagnetic luminosity distance ratio
• Advancing weak lensing mass mapping with a mask-aware HEALPix transformer
• Bayes-SCF: A Bayesian filter to mitigate foreground leakage in the 21-cm power spectrum
• Inferring the mass of the circumgalactic medium using X-ray resonant scattering
• Painting a full radio sky -- Empirical mock catalogues with multiple source populations for future radio surveys
• Differentiable Fuzzy Cosmic-Web for Field Level Inference
• Cosmological constraints from galaxy clustering and galaxy-galaxy lensing with extended SubHalo Abundance Matching
• Deciphering Baryonic Feedback from ACT tSZ Galaxy Clusters
• Breaking the Mass-sheet Degeneracy in Time-delay Cosmology with Lensed and Unlensed Type Ia Supernovae
• Simulation based inference of the ionization history from the 2D 21 cm power spectrum
• Searching for Unparticles with the Cosmic Microwave Background
• What Shape is the Inflationary Bispectrum?
• Improved dark matter measurements with flexible modeling of resolved strongly-lensed quasar narrow-line emission
• Impact of Antenna Structure and Orientation on Forward-Modelled Global 21 cm Signal Recovery
• Wideband Search for Axionlike Dark Matter Using Octupolar Nuclei in a Crystal
• pylevin: Efficient numerical integration of integrals containing up to three Bessel functions
• Bloodhound Unleashed: Particle-based Substructure Tracking for Cosmological Simulations
• Semi-Supervised Learning for Lensed Quasar Detection
• The Cosmic Horizon of Neutrinos
• Dark Matter and Electroweak Baryogenesis with Spontaneous $CP$ Violation in the Early Universe
• Spatial Variations of Polarized Synchrotron Emission in the QUIJOTE MFI Data using Neural Networks
• Light scalars in light of UV/IR mixing: classicalization via synergy between Vainshtein and chameleon screenings
• Fifty shades of grayness: parametrizations of spectral distortions and applications in cosmology
• Breaking the degeneracy among regular black holes with gravitational lensing