INDEX
Every paper Pith has read and judged, in one searchable index.
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cs.LG arXiv submitted 2026-07-16RK-Adam's 'adaptivity' is a no-op: it's fixed-step Adam at 3-4x cost
Akhilesh Gogikar · “Adaptive Runge-Kutta Step Control Buys Training Loss, Not Generalization: An Honest Compute-Matched Study of RK-Adam Optimizers”
2607.14516 -
stat.CO arXiv submitted 2026-07-16Custom Gauss rules to 18-digit accuracy from an R call
Paul Kabaila · “Custom-made Gauss quadrature: an introduction for statisticians”
2607.14511 -
stat.ME arXiv submitted 2026-07-16Latent classes track what most tests measure
Nandini Dendukuri +6 · “Improving interpretation of latent class models for diagnostic tests by recognizing their measurands via directed acyclic graphs (DAGs)”
2607.14473 -
math.ST arXiv submitted 2026-07-16Sample covariance error has an exact limit formula
Mihailo Stojnic · “Precise sample covariance spectral norm error -- an RDT view”
2607.14460 -
stat.ME arXiv submitted 2026-07-15Weighted-mean eBH procedures are the only admissible FDR controllers
Liulei Sun +1 · “Admissibility and Complete Classes for False Discovery Rate Control with E-values”
2607.14380 -
cs.LG arXiv submitted 2026-07-15SFT beats ICL once coverage and data quality clear a threshold
Fengzhuo Zhang +2 · “Supervised Fine-Tuning vs. In-Context Learning: An Equilibrium Analysis of LLM Personalization under Congestion”
2607.14371 -
math.PR arXiv submitted 2026-07-15Finite Brownian samples suffice to approximate any predictable process
Anastasis Kratsios +2 · “NeuralChaos: Optimal Adapted Approximation of Square Integrable Predictable Processes”
2607.14361 -
cs.LG arXiv submitted 2026-07-15MAR estimators beat complete-case analysis for missing treatments
Johnna Sundberg +3 · “Learning Who to Treat When Treatment is Missing”
2607.14346 -
stat.ME arXiv submitted 2026-07-15Leave-one-out outlier scores reduce to one density fit
Aur\'elien Nicosia +2 · “A Leave-One-Out Influence Statistic for Density-Based Outlier Detection”
2607.14335 -
stat.ML arXiv submitted 2026-07-15Sharp spectral bound for sparse geometric graphs
Manuel Fernandez V +1 · “Spectral Concentration and Recovery in Sparse High-Dimensional Random Geometric Graphs”
2607.14304 -
stat.ME arXiv submitted 2026-07-15256 skew-t mixture models shrink the cost of clustering matrix data
Jacob Moore +1 · “Parsimonious Mixtures of Skewed Bilinear Factor Analyzers”
2607.14297 -
econ.EM arXiv submitted 2026-07-15Prefer asymmetric-error model averaging when inefficiency is strong
Kamil Makie{\l}a · “Model Uncertainty under Non-Gaussian Errors: Bayesian Model Averaging and Selection in Stochastic Frontier Models”
2607.14274 -
stat.AP arXiv submitted 2026-07-15Least squares beats MLE for combat attrition estimates
Sumanta K. Das +2 · “Aggregate combat modeling using high-resolution simulation: "the "meeting engagement"scenario as a case study”
2607.15312 -
cs.LG arXiv submitted 2026-07-15Wasserstein distance to Gaussian recovers hidden independent sources
Ashutosh Jha +2 · “Linear Independent Component Analysis via Optimal Transport”
2607.14081 -
math.ST arXiv submitted 2026-07-15DNN despeckling hits the optimal statistical rate
Soham Jana · “Minimax Theory of Likelihood-Based Deep Learning for Speckle Regression”
2607.14064 -
stat.ML arXiv submitted 2026-07-15Brain wavefield hits 0.767 correlation
Boyuan Deng +2 · “Operator-Informed Gaussian Processes for Complex Helmholtz Wavefields: From Synthetic Benchmarks to In Vivo Brain Elastography”
2607.14193 -
stat.ML arXiv submitted 2026-07-15One latent model predicts tumor growth
Anders Sj\"oberg +3 · “Multimodal Empirical Bayes Variational Autoencoders for Joint Longitudinal and Time-to-Event Modeling”
2607.13984 -
cs.LG arXiv submitted 2026-07-15Lower-limb decline is the strongest wheelchair-timing signal in ALS
Zongliang Yue +5 · “A Temporal Machine Learning-Based Time-to-Event Model for Predicting ALS Progression and Healthcare Utilization”
2607.14190 -
stat.ML arXiv submitted 2026-07-15Lipschitz survey yields sum-over-paths bound for DAG networks
R\'ois\'in Luo +2 · “Lipschitz Continuity in Deep Learning: A Systematic Review of Theoretical Foundations, Estimation Methods, Regularization Approaches, and Certifiable Robustness”
2607.16329 -
cs.CR arXiv submitted 2026-07-15Private audits hide any one whistleblower report
Leo Richter +1 · “Plausible Deniability Guarantees for Whistleblowers”
2607.13928 -
math.ST arXiv submitted 2026-07-15Blind-spot correlation caps the value of extra verifier gates
Jiangang Han · “Partially Correlated Verifier Cascades in LLM Harnesses: Concave Log-Odds, Polynomial Reliability, and Blind-Spot Ceilings”
2607.13918 -
q-fin.TR arXiv submitted 2026-07-15Bitget BTC/ETH transaction counts decouple from volume after May 21
Jakub Zwydak +3 · “Detecting unusual trading patterns on cryptocurrency exchanges by means of complexity measures”
2607.13916 -
eess.SY arXiv submitted 2026-07-15Five-phase data cycle proposed as epidemic control template
Hui Yang +6 · “Epidemic Informatics and Control: A Holistic Approach from System Informatics to Epidemic Response and Risk Management in Public Health”
2607.13914 -
cs.LG arXiv submitted 2026-07-15PiVoT: no training, matches a deep-learning radar detector
Runze Gan +4 · “PiVoT: A Variational Solution for Real-time Large-scale Multi-object Detection and Tracking under Heavy Clutter”
2607.13891 -
stat.ME arXiv submitted 2026-07-15Random sampling almost surely verifies causal effect formulas
Francesco Freni +2 · “Verifying formulas for interventional distributions”
2607.13883 -
math.ST arXiv submitted 2026-07-15Functional change points found by maximizing a conditional probability
Debanjana Datta · “A Frequentist Approach to Change Point Detection: Methods and Applications”
2607.13852 -
stat.ME arXiv submitted 2026-07-15Row sums reveal which predictors get unfair importance credit
Tien-En Chang +1 · “Bias Correction for Relative Importance Measures via Doubly Stochastic Reallocation”
2607.13850 -
cs.LG arXiv submitted 2026-07-15Random clocks turn heavy-tailed generation into Gaussian flow matching
Zhouhao Yang +4 · “Heavy-Tailed Flow Matching via Random Clocks”
2607.13841 -
cs.DS arXiv submitted 2026-07-15Random sampler wastes just O(log n) bits over n draws
Thomas L. Draper +2 · “Online Random Sampling with Real Probabilities”
2607.13828 -
math.ST arXiv submitted 2026-07-15One reduced Gaussian law sets limits for every rank stratum
Didier Concordet · “Nonstandard likelihood-ratio limits under semidefinite rank constraints”
2607.13761 -
cs.LG arXiv submitted 2026-07-15Holomorphic network learns ma+nb mod p iff m+n=k
Chon-Fai Kam +3 · “Algebraic Representability as the Limiting Regime of Grokking: An Exactly Solvable Model with Holomorphic Activations”
2607.13749 -
cs.LG arXiv submitted 2026-07-15A new module, DAGR, reshapes the fixed goal-embedding of a goal-conditioned RL agent…
Xing Lei +3 · “DAGR: State-Conditioned Goal Representations via Difference-Aware Goal Cross-Attention”
2607.13731 -
cs.IR arXiv submitted 2026-07-154.7× faster vector search when queries drift from the database
Swann Bessa +4 · “Cluster with Auctions for Vector Search”
2607.13728 -
stat.AP arXiv submitted 2026-07-15Gradient Boost spots long COVID from heart-rate data with 85% accuracy
Brais Iglesias-Otero +8 · “Machine Learning-based detection of long COVID using Heart Rate Variability Analysis”
2607.13668 -
math.ST arXiv submitted 2026-07-15Infinite sphere: some data have no centre of mass
Shahin Tavakoli · “On the existence and non-existence of centres of mass on Hilbert spheres”
2607.13667 -
cs.LG arXiv submitted 2026-07-15Ridge regularization inverts flow-derived rankings
Mohammad Forouhesh · “Gauge-Invariant, Parameter-Insensitive Regularization for Potential Recovery from Flow on Directed Graphs”
2607.13609 -
cs.CL arXiv submitted 2026-07-15Two matching analogies suffice to find hidden crisis factors
Yongqiang Chen +3 · “Analogical Deep Research: Retrieving and Integrating Historical Analogies for Foresight Analysis”
2607.13602 -
stat.ME arXiv submitted 2026-07-15Benford-based test exposes one-sided sorting that density tests miss
Roy Cerqueti +1 · “Manipulation testing based on Benford's Law for discrete scores”
2607.13564 -
stat.ML arXiv submitted 2026-07-15One shared direction makes multi-output boosting orders of magnitude faster
R\'emy Chapelle (CESP +5 · “Parallel gradient boosting for flexible estimation of conditional distributions”
2607.13550 -
stat.ML arXiv submitted 2026-07-15Residual preconditioning lifts two-time-scale rates from 1/4 to 1/2
Dhruv Sarkar +1 · “Non-Expansive Two-Time-Scale Stochastic Approximation: A Fixed-Schedule One-Quarter Barrier and Bias-Corrected Acceleration”
2607.13414 -
stat.ML arXiv submitted 2026-07-15Strict fairness lifts bandit regret to √(k^q/T)
Dhruv Sarkar +2 · “Price of Fairness in Bandits: A Tight Minimax Characterization”
2607.13402 -
stat.ME arXiv submitted 2026-07-14Clustered treatment makes sensitivity checks too conservative
Anton Strezhnev · “Omitted variable bias sensitivity analysis with clustered treatment assignment”
2607.13334 -
stat.ME arXiv submitted 2026-07-14New event rate for competing risks ignores censoring bias
Khondoker Nazmoon Nabi +5 · “Average Cause-Specific Hazard: A Censoring-Invariant Measure of Event Burden Under Competing Risks”
2607.13293 -
stat.ME arXiv submitted 2026-07-14Symmetric links preferred for tightly clustered circular predictors
Feridun Tasdan · “Evaluation of Circular Logistic Regression Models with Asymmetric Link Functions”
2607.13264 -
stat.ME arXiv submitted 2026-07-14Two samplers fix MCMC for non-identifiable ODE models
Xuyuan Wang +2 · “MCMC Methods for Parameter Inference in Structurally Nonidentifiable Models”
2607.13243 -
stat.AP arXiv submitted 2026-07-14Nonconvex failure-rate fitting becomes a convex program
Timothy C.Y. Chan +3 · “Estimating Distributions with Failure Rate Properties from Noisy Quantile Data”
2607.13212 -
math.ST arXiv submitted 2026-07-14Projections recover full distributions from incomplete Hilbert-space data
Daniel Gaigall +1 · “A unified approach for testing in Hilbert spaces on incomplete data”
2607.13209 -
stat.ME arXiv submitted 2026-07-14Overlapping functional clusters become identifiable from covariances
Abhiti Mishra (1) +3 · “funFMC: Overlapping Clustering for Functional Data”
2607.13197 -
stat.AP arXiv submitted 2026-07-14True leptospirosis rate in Puerto Rico: ~35 per 100,000
Brent Strong +2 · “A Bayesian Spatiotemporal Model to Estimate Disease Burden Using Hospital-Based Active Surveillance”
2607.13185 -
stat.ME arXiv submitted 2026-07-14Binned counts alone recover the full density
Furkan Danisman +2 · “Bandwidth-free nonparametric density estimation for grouped data”
2607.13182