INDEX
Every paper Pith has read and judged, in one searchable index.
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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 2026-07-07Gradient 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 -
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 -
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 -
stat.ML arXiv submitted 2026-07-07Filters must meet data on enough frequencies to maximize separation
Konstantin H\"aberle +1 · “Separation Capacity of Scattering Networks on Low-Dimensional Datasets”
2607.06048 -
cs.CL arXiv submitted 2026-07-07Parliamentary 'ums' defy universal rules across Slavic languages
Ivan Porupski +2 · “Umm... With Transformers? Insights from Filled Pause Use across Four Slavic Parliaments”
2607.05964 -
math.ST arXiv submitted 2026-07-07GBS step-down hits the sharp sparse-testing minimax rate
Prasenjit Ghosh · “Sharp Asymptotic Minimaxity of the Gavrilov-Benjamini-Sarkar Step-Down Testing Procedure in Sparse Gaussian Sequence Models”
2607.05893 -
stat.ML arXiv submitted 2026-07-07Divergences recover the manifold Laplacian via a fourth-order bound
Liane Xu · “On the convergence of graph Laplacians with a symmetric divergence”
2607.05892 -
stat.AP arXiv submitted 2026-07-07Fast frequentist Rt matches Bayesian accuracy at far lower cost
Jeremy Goldwasser +2 · “Fast, Frequentist Estimation of Epidemic Reproduction Numbers”
2607.05887 -
cs.LG arXiv submitted 2026-07-07GaLore's gradient subspace is mostly noise
Noel Thomas · “No Subspace to Track: Non-Identifiability and Optimizer State in Low-Rank Training”
2607.05872 -
cs.LG arXiv submitted 2026-07-07GaLore's rank-128 gradient subspace is mostly noise
Noel Thomas · “No Subspace to Track: Non-Identifiability and Optimizer State in Low-Rank Training”
2607.05872 -
cs.LG arXiv submitted 2026-07-07Standard conformal prediction abandons the rare class
Muhammadjon Tursunbadalov (1) +4 · “A Quiet Failure in Calibrated Virtual Screening: Marginal Conformal Prediction Under-Covers the Minority Class, and a Class-Conditional Fix Recovers It”
2607.06605 -
stat.ME arXiv submitted 2026-07-07Split jackknife restores the ordinary Monte Carlo rate for Sobol' indices
Jingtao Zhang +1 · “Nested Simulation Methods for Sobol' Index Estimation: Bias Correction, Budget Allocation, and Latin Hypercube Sampling”
2607.05809 -
stat.ME arXiv submitted 2026-07-07Two extra log fields turn AI randomness into causal evidence
Susan Athey +2 · “Estimating Causal Effects from Data Generated by Stochastic Algorithms”
2607.05792 -
stat.ML arXiv submitted 2026-07-07Boosting Beats Its Lower Bound via Error-Correcting Codes
Addison Prairie +1 · “Boosting with List-Decodable Codes”
2607.05791 -
stat.ME arXiv submitted 2026-07-07Optimal Weight Between Gene Networks and Embeddings Has a Closed Form
Yan Chen +2 · “AI-Augmented Statistical Network Estimation with Proxy Gene Embeddings”
2607.05774 -
stat.AP arXiv submitted 2026-07-07Trade blocs tracked across products and years by joint eigenspace smoothing
Mengze Huang +3 · “Multilayer-Dynamic Network Clustering with Application to World Trade Data”
2607.05770 -
stat.ME arXiv submitted 2026-07-07Blocking plus CMH gives optimal binary ATE inference
David Azriel +2 · “Optimal Designs with Robust Inference for Binary Treatment Effects”
2607.05768 -
stat.ME arXiv submitted 2026-07-07Exact bias formulas for the mth Gini under gamma mixtures
Roberto Vila +2 · “Income inequality estimation with gamma mixtures”
2607.05763 -
stat.ML arXiv submitted 2026-07-07Infinite-width mean-field nets learn only poly-size targets
Dmitry Vaintrob +1 · “Width-Robust Learnability in Mean-Field Bayesian Neural Networks”
2607.05735 -
stat.ML arXiv submitted 2026-07-06Watermark knobs become a one-dimensional power-KL optimization
Xiaopu Wang +3 · “Beyond Heuristic Tuning: Power-Calibrated LLM Watermarking”
2607.05694 -
stat.ME arXiv submitted 2026-07-06Exact Beta-mixture posterior for mixture weights in O(n²)
Georgy Meshcheryakov · “Exact computation of posterior distribution of mixture weights in hierarchical Bayesian models”
2607.05692 -
stat.ME arXiv submitted 2026-07-06Three bad days beat a fraction rule for marketing alarms
Jorge Pellegrini · “Sensitivity and Early Detection of Bayesian Causal Impact Models for Marketing Interventions”
2607.05646 -
stat.ML arXiv submitted 2026-07-06When tasks last long enough, forgetting beats full memory
Giulia Lanzillotta +4 · “To Retain or to Adapt? Generalizing Continual Learning”
2607.05609 -
stat.ME arXiv submitted 2026-07-06Unnormalized MCMC already holds the missing NPP constant
Fang Chen +1 · “On the Computation of Normalized Power Priors”
2607.05579 -
stat.ME arXiv submitted 2026-07-06Leave-one-out variance stays unbiased as covariates grow
Kalil Bouhadra +1 · “High-Dimensional Variance Estimation for the Generalized Regression Estimator”
2607.05570 -
stat.ML arXiv submitted 2026-07-06Depth barely enlarges ReLU classes under true function norms
Julia Nakhleh +1 · “Deep Neural Variation Spaces: A Unifying Perspective on Depth and Complexity”
2607.05546 -
stat.AP arXiv submitted 2026-07-06Reordering prompt phrases lifts LLM design success to 98%
Duoduo Danny Ying +2 · “Prompt engineering using order-of-addition experiments: An application to generating two-level fractional factorial designs”
2607.05537 -
stat.ML arXiv submitted 2026-07-06Gradient info doubles certified radii for smoothed regressors
Jie Zhang +1 · “Higher-Order Certified Robustness for Regression”
2607.05536 -
cs.LG arXiv submitted 2026-07-06Discrete diffusion ELBO is an exact path distance
Rodrigo Casado Noguerales +3 · “What Does a Discrete Diffusion Model Learn?”
2607.05381 -
math.ST arXiv submitted 2026-07-06Periodic test breaks focused-width conjecture by √log n
Gao Huang · “Focused Width in Adversarial Fake Detection: A Separation”
2607.05379 -
stat.ML arXiv submitted 2026-07-06Fitted ratio iteration converges without Bellman completeness
Lars van der Laan +1 · “Fitted Occupancy-Ratio Evaluation without Bellman Completeness”
2607.05375 -
stat.ML arXiv submitted 2026-07-06Fitted ratios free offline policy evaluation from Bellman completeness
Lars van der Laan +1 · “Fitted Occupancy-Ratio Evaluation without Bellman Completeness”
2607.05375 -
cs.LG arXiv submitted 2026-07-06Distillation as exploration: teacher solutions expand where RL can search
Yuanda Xu +12 · “TREK: Distill to Explore, Reinforce to Refine”
2607.05339