INDEX
Every paper Pith has read and judged, in one searchable index.
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stat.AP arXiv submitted 2026-07-08Six-dimensional embeddings from a shallow net match or beat larger models for test item
James Sharpnack +1 · “Learning Item Embeddings and Hyperparameters for IRT Calibration via Monte Carlo EM”
2607.06905 -
stat.ML arXiv submitted 2026-07-08Random resampling reaches true stationarity
Felipe Areces +2 · “Finding a stationary point of a stochastic convex problem”
2607.06883 -
stat.ML arXiv submitted 2026-07-08True stationarity from stochastic samples
Felipe Areces +2 · “Finding a stationary point of a stochastic convex problem”
2607.06883 -
cs.LG arXiv submitted 2026-07-08Cheap AI Predictions Cut Costly Experiments by Up to 61%
Tianyi Ma +3 · “Best-Arm Identification with Generative Proxy”
2607.06879 -
econ.EM arXiv submitted 2026-07-08Softmax α grades how closely agents match expected utility
Jeff Helzner · “Sensitivity to Subjective Expected Utility Maximization: A Methodological Study, with an Illustrative Application to LLM Decision-Making”
2607.11920 -
math.ST arXiv submitted 2026-07-08Smaller-variance Gaussians win on convex sets above the median
Colin B. Fogarty · “Gaussian comparison above the median”
2607.06874 -
stat.ML arXiv submitted 2026-07-07Tensor trains solve the reverse-diffusion HJB faster than nets
Robert Gruhlke +3 · “Tensor Train Diffusion: Leveraging Low-Rank Structures for High-Dimensional Score-Based Sampling”
2607.06841 -
math.ST arXiv submitted 2026-07-07Best subset recovery needs no full combinatorial log term
Maxim Fedotov (Universitat Pompeu Fabra) · “Best Subset Selection in Linear Regression: Fixed-Design Error Bounds and Insights for Random Designs”
2607.06835 -
stat.ME arXiv submitted 2026-07-07Joint kriging pays only when designs interleave
Zexun Chen +2 · “When is multivariate kriging worthwhile? A design-geometry analysis of heterotopic multi-output Gaussian processes”
2607.06832 -
math.PR arXiv submitted 2026-07-07Any SK temperature mixes fast with a large enough field
Afonso S. Bandeira +2 · “Mixing of Glauber Dynamics on High Overlap Gibbs Measures”
2607.06813 -
stat.AP arXiv submitted 2026-07-07Southern Italy traps long droughts
Touqeer Ahmad +1 · “A spatial duration-augmented framework for drought persistence”
2607.06805 -
stat.ME arXiv submitted 2026-07-07Mapper graphs become consistent local classifiers
Md Moinul Ahsan +2 · “MAPLE: Mapper Based Localized Prediction with Data Driven Cover Selection for High dimensional Data”
2607.06797 -
stat.ME arXiv submitted 2026-07-07One random slope keeps circular mixed models one-dimensional
Aur\'elien Nicosia · “A generalized angular regression model with a circular random intercept and a scalar random slope”
2607.06790 -
cs.LG arXiv submitted 2026-07-07Neural ensembles get closed-form Bayesian uncertainty
Sina Aghaee Dabaghan Fard +2 · “Efficient Bayesian Deep Ensembles via Analytic Predictive Inference”
2607.06776 -
stat.ML arXiv submitted 2026-07-07Sepsis care planned on the fly with a patient digital twin
Joshua Pickard +6 · “EHR-MPC: Inference-Time Control for Sepsis Treatment with Generative Patient Digital Twins”
2607.08793 -
stat.ML arXiv submitted 2026-07-07Digital-twin planning matches reinforcement learning for sepsis
Joshua Pickard +6 · “EHR-MPC: Inference-Time Control for Sepsis Treatment with Generative Patient Digital Twins”
2607.08793 -
stat.ML arXiv submitted 2026-07-07Plan sepsis care over a digital twin
Joshua Pickard +6 · “EHR-MPC: Inference-Time Control for Sepsis Treatment with Generative Patient Digital Twins”
2607.08793 -
stat.ME arXiv submitted 2026-07-07Spacing itself reveals modes and gaps in one-dimensional data
Greg Kreider · “Modality Analysis via Spacing with the Dimodal Software Libraries”
2607.06722 -
math.ST arXiv submitted 2026-07-07EM recovers forcing in nonlinear McKean-Vlasov SDEs
Eduardo Gutierrez-Turner +2 · “Expectation-Maximization algorithm to estimate the forcing parameter of a nonlinear McKean-Vlasov diffusion”
2607.06714 -
math.ST arXiv submitted 2026-07-07EM algorithm estimates forcing term of a McKean–Vlasov SDE from one path
Eduardo Gutierrez-Turner +2 · “Expectation-Maximization algorithm to estimate the forcing parameter of a nonlinear McKean-Vlasov diffusion”
2607.06714 -
stat.ML arXiv submitted 2026-07-07Heat diffusion gives weighted samples a geometric effective size
Kisung You +1 · “Heat-Kernel Entropy Profiles and Geometric Effective Sample Size for Weighted Measures on Manifolds”
2607.06696 -
stat.ML arXiv submitted 2026-07-07Heat flow turns particle weights into a geometry-aware ESS
Kisung You +1 · “Heat-Kernel Entropy Profiles and Geometric Effective Sample Size for Weighted Measures on Manifolds”
2607.06696 -
stat.ME arXiv submitted 2026-07-07Sieve bootstrap restores 90% coverage on dependent series
Sankalp Gilda · “tsbootstrap: Distribution-Free Uncertainty Quantification and Conformal Prediction for Time Series”
2607.06690 -
cs.HC arXiv submitted 2026-07-07Fragmentation lives in the day
Sumer S. Vaid +1 · “Digital Fragmentation and Generative AI Use Across 103 Million Application Events”
2607.06681 -
cs.LG arXiv submitted 2026-07-07Signatures generate whole event sequences
Niels Cariou-Kotlarek +1 · “From Jumps to Signatures: a Generative Method for Temporal Point Processes”
2607.06652 -
stat.ME arXiv submitted 2026-07-07Cluster trials can't measure spillover magnitude
Samuel I. Watson +4 · “Embracing Spillover: Spatial Effects in Experiments”
2607.06506 -
cs.LG arXiv submitted 2026-07-07Maximum-entropy walk recovers geodesic distances from data graphs
Przemys{\l}aw Rola · “EntroPath: Maximum Entropy Path Ensemble Embedding for Manifold Learning”
2607.06497 -
cs.CL arXiv submitted 2026-07-07F1 engine generates verified trilingual race briefings
Juan S. Santillana (Independent Researcher) · “Pitwall: Faithful Natural-Language Race-Strategy Briefings from a Calibrated Real-Time Monte Carlo Engine”
2607.06495 -
q-bio.QM arXiv submitted 2026-07-07Local models predict chronic disease burden without new surveys
Aanya Gupta +4 · “Geographically Weighted Surrogate Models for Rapid Small-Area Chronic Disease Estimation”
2607.28655 -
stat.AP arXiv submitted 2026-07-07Only one synthetic control-arm method is both accurate and calibrated
Aakash Bhagat +1 · “Psych-ECA: A Reproducible Semi-Synthetic Benchmark for Synthetic Control Arms in Longitudinal Psychiatry”
2607.27224 -
stat.ME arXiv submitted 2026-07-07More Agent Reasoning Effort Lowers Utility in Every Test Stratum
Hao He +3 · “An Experimental Design Approach to Evaluating Agentic AI's Autonomous Model Discovery”
2607.06413 -
stat.ML arXiv submitted 2026-07-07DPPs hit intrinsic-dimension rates on manifolds and graphs
Hoang-Son Tran +2 · “Fast determinantal sampling on general spaces and diffusion geometry”
2607.06644 -
stat.ML arXiv submitted 2026-07-07NTK needs exponentially more samples on compositional targets
Arkaprabha Ganguli +1 · “A Function-Space Dichotomy for Compositional Learning: Exponential Sub-Optimality of the Neural Tangent Kernel”
2607.06382 -
stat.ME arXiv submitted 2026-07-07One scalar calibrates shrinkage covariance monitors across elliptical returns
Ahmad Koman · “Error Propagation in Spectral Functionals of Shrinkage Covariance Estimators: Perturbation Bounds and Calibrated Inference”
2607.06373 -
math.OC arXiv submitted 2026-07-07Log-time convergence proven for a neural Schrödinger solver
Yao Yao +2 · “Feature Learning for the High Dimensional Stationary Sch\"odinger Equation with Deep Ritz Method”
2607.06369 -
math.OC arXiv submitted 2026-07-07Gradient Descent Provably Learns Features in Neural PDE Solvers
Yao Yao +2 · “Feature Learning for the High Dimensional Stationary Sch\"odinger Equation with Deep Ritz Method”
2607.06369 -
econ.EM arXiv submitted 2026-07-07Sparse-group LASSO beats standard LASSO for mixed-frequency panels
Andrii Babii +3 · “Factor-Augmented Machine Learning Panel Regressions”
2607.06368 -
math.ST arXiv submitted 2026-07-07One risk criterion unifies shrinkage and thresholding
Wei Jiang · “Approximate Risk Minimization Over Shrinking-Thresholding Rules in Normal Mean Estimation”
2607.06367 -
math.ST arXiv submitted 2026-07-07Spectral algorithm estimates causal bilinear forms directly from staggered tensor panels
Alberto Bordino +2 · “Direct and efficient estimation of bilinear forms in staggered tensor panels”
2607.06330 -
cs.LG arXiv submitted 2026-07-07One penalty both explains wrong labels and maps classifier fragility
Evgenii Kuriabov +2 · “Optimized Instance Alteration for Explaining and Assessing Robustness of Classifiers”
2607.06637 -
math.NA arXiv submitted 2026-07-07One Bayesian framework unifies scattered GP methods for differential equations
Mengwu Guo · “A unified perspective of Gaussian process approximation for differential equations”
2607.06292 -
cs.LG arXiv submitted 2026-07-07Finite-width neural nets converge to Gaussian limits at rate 1/√n
Andrea Agazzi +2 · “Quantitative Gaussian-Process limits of Tensor Programs”
2607.06290 -
q-bio.NC arXiv submitted 2026-07-07Bayesian brain maps beat p-values—but only with the right priors
Kaibo Zhang +3 · “Quantifying Entrainment Evidence: A Comparison of Frequentist and Bayesian Approaches for Information Processing Pathway Maps”
2607.06284 -
stat.ML arXiv submitted 2026-07-07Closed-form penalty skips CV for sparse precision matrices
Aryan Eftekhari +3 · “The Regularization Parameter: Sparse Precision Matrix Estimation”
2607.07735 -
stat.ML arXiv submitted 2026-07-07Folding normalization into the loss makes likelihood learning convex
Fabian Schneider +2 · “A Convex Approximation Framework for Neural Likelihood-Based Bayesian Inverse Problems”
2607.06252 -
physics.soc-ph arXiv submitted 2026-07-07Economic news sentiment gets stickier over 45 years
Luis Enrique Correa Rocha · “Stable Sentiment and Persistent Dynamics in U.S. Economic News over 45 Years”
2607.06220 -
math.ST arXiv submitted 2026-07-07Some imprecise copulas from alternating sign matrices lose coherence
Toma\v{z} Ko\v{s}ir +2 · “Discrete imprecise copulas and alternating sign matrices”
2607.06178 -
stat.ME arXiv submitted 2026-07-07Two pairs per observation suffice for massive spatial data
Moreno Bevilacqua +2 · “Fast Stochastic Nearest Neighbor Pairwise Composite Likelihood for Massive Spatial Datasets”
2607.06142 -
stat.AP arXiv submitted 2026-07-07Video Features as Treatments: Causal Effects via Generative AI
Kentaro Nakamura +4 · “Causal Inference with Video Features as Treatments”
2607.06126 -
math.ST arXiv submitted 2026-07-07Closed-form radial link replaces fitted splines in elliptical classification
Serhii Zabolotnii · “Closed-form fractional radial links for elliptical Mahalanobis discriminant analysis”
2607.06089