Topics / Data Analysis, Statistics and Probability
Weekly issue
Data Analysis, Statistics and Probability Papers of the Week
The 14 most important new Data Analysis, Statistics and Probability papers of the past week, ranked by potential impact. A new issue comes out every Monday, covering the previous Monday-to-Sunday week.
- 1Hyperbolic Embedding of Higher-order Simplicial Networks
Existing hyperbolic embeddings represent network hierarchy and similarity through a few interpretable coordinates, but rely only on pairwise links: they cannot distinguish three units engaged in a common interaction from three units connected only in pairs. We introduce here the hyperbolic higher-order (HHO) embedding, which embeds a simplicial complex into the Poincaré disk, while incorporating its group interactions.
- 2Gravitational-Wave Microlensing As A Probe of Compact Object Population
We develop a hierarchical Bayesian framework to infer the population properties of microlenses from an ensemble of microlensed GW events, constraining the slope of the power-law lens mass function ($\alpha_{\rm ML}$), the lens number density ($n_0$), and the fraction of dark matter in compact lenses ($f_{\rm DM}$).
- 3Localized Anomaly Detection with A Calorimeter Normalizing Flow
In this work, we define a regional anomaly score by summing the squared latent coordinates of the same flow within small detector regions around the point where the particle enters the calorimeter, with the threshold set using background showers alone.
- 4Generative Sampling with Physics-informed Kernels
We construct a generative network for Monte-Carlo sampling in lattice field theories and beyond, for which the layerwise propagation is computed and optimised independently on each layer.
- 5Inertial Sub-range Detection and Characterization for Ground-layer Turbulence at New Extremely Large Telescope Sites in Chile
Using high-frequency sonic anemometer data from site-testing campaigns at the Giant Magellan Telescope (GMT) and Thirty Meter Telescope (TMT) sites in Chile, we apply detrended fluctuation analysis (DFA)---a technique from fractal time-series analysis---to identify the inertial sub-range and evaluate statistical isotropy in the ABL, comparing our approach with the Fourier-based algorithm for robust identification of the inertial subrange (ARIIS).
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Follow this category- 6Beyond Synthesis Conditions: Linking In-situ Growth Dynamics to Carbon Nanotube Forest Properties Through Multimodal Machine Learning
We introduce an observation-window analysis, in which prediction is evaluated as a function of observation time by providing models with the growth curve only up to progressively later times, to determine not only whether a property can be predicted, but when the necessary information becomes available during synthesis.
- 7An Automated Photometric Pipeline for Measuring The Corotation Radius of Spiral Galaxies
We present an automated photometric pipeline that identifies corotation radii by tracking the azimuthal phase offset between young and old stellar populations.
- 8How Much Data Does A Memory Kernel Need? Measurement Requirements for Fractional Models of Battery and Corrosion Degradation
Battery capacity fade and corrosion-film growth depend on their history, so they are often modelled using general fractional calculus (GFC), where memory is described by an arbitrary Sonine kernel rather than a single power law. We tested this using two mechanistic models without fractional operators and de Levie's porous-electrode model, whose high-frequency order is exactly 0.5; our estimator recovered 0.500.
- 9Choosing A Generator for Streaming Gaussian Noise in Gravitational-wave Mock Data: Accuracy, Cost and Reproducibility
The candidates are the crossfade of independently drawn windows that the standard gravitational-wave libraries implement, overlap-save finite-impulse-response filtering, autoregressive and autoregressive moving-average (ARMA) models, and the reproducible filter of PyCBC.
- 10Quantifying Bicycle Setup Differences on The Road: Field Estimates of CdA, Crr and Power Demand
We apply an integrated energy-balance workflow to five configurations tested by one rider on a road section.
- 11Machine Learning Sensor Fusion for Water Vapor Radiometry Based Tropospheric Delay Calibration
As a remedy, we propose a machine-learning based retrieval concept and a preliminary architecture, framed as heterogeneous, multi-rate sensor fusion.
- 12Between Hi-Fi and MMI: The Overlap of Redundancy and Synergy in Partial Information Decomposition
We introduce, by splitting the co-information into a pairwise maximum- entropy part and the third-order connected information, a PID that sits at zero overlap except when pairwise redundancy and triadic synergy coexist.
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- 14The Neural Density Model: An Open 3D Thermospheric Density Reanalysis for 2003--2026 From Tracked Space Debris
We present the Neural Density Model (NDM), a 3D density reanalysis for October 2003--October 2026 at 250--800~km.