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Topological inference on brain networks with application to lesion symptom mapping

Persistent homology (PH) characterizes the shape of brain networks through persistence features. Group comparison of persistence features from brain networks can be challenging as they are inherently ...

👤 Yuan Wang, Jian Yin, Nicholas Riccardi, ... 📰 arXiv 📅 2026 👁 129 📚 29

vPET-ABC: Fast Voxelwise Approximate Bayesian Inference for Kinetic Modeling in PET

Dynamic PET kinetic modeling increasingly demands voxelwise uncertainty quantification and robust model selection. Yet total-body PET (TB-PET) data volumes make conventional Bayesian approaches, such ...

👤 Qinlin Gu|Gaelle M. Emvalomenos|Evan D. ... 📰 arXiv 📅 2026 👁 128 📚 29

Code2LoRA: Hypernetwork-Generated Adapters for Code Language Models under Software Evolution

Code language models need repository-level context to resolve imports, APIs, and project conventions. Existing methods inject this knowledge as long inputs (retrieved through RAG or dependency analysi...

👤 Liliana Hotsko | Yinxi Li | Yuntian Deng... 📰 arXiv 📅 2026 👁 91 📚 29

OncoTraj: a public benchmark for longitudinal resistance prediction in EGFR-mutant non-small-cell lung cancer on osimertinib

Resistance to first-line osimertinib in EGFR-mutant non-small-cell lung cancer (NSCLC) is the canonical example of predictable clonal evolution under therapeutic pressure, yet no public benchmark exis...

👤 Abhijoy Sarkar | Aarchi Singh Thakur 📰 arXiv 📅 2026 👁 69 📚 29

Digital Twins Need Feedback

Digital twins are too often described as realistic simulations, anatomical avatars, dashboards, or data mirrors. Those artifacts can be useful, but they miss the defining property of a digital twin: b...

👤 Guo-Qiang Zhang 📰 arXiv 📅 2026 👁 215 📚 28

Statistical and Deep Learning Approaches for Predicting Degradation of Polymeric Materials in Photovoltaics

Polymeric materials are widely used in photovoltaic (PV) systems, making it essential to understand their service life to ensure reliable PV performance. The primary failure mechanism of polymeric mat...

👤 Yili Hong | Xiaohong Gu 📰 arXiv 📅 2026 👁 190 📚 28

A Metric Space of Spatial Graphs: Two-Sample Testing, Data Depth, and Application to Cardiac Fibrosis

Cardiac fibrosis reduces electrical conductivity and is a leading cause of arrhythmia. Arrhythmic waves typically rotate around non-conducting fibrotic patches, so the geometry and topology of these p...

👤 Anna Calissano | Arstanbek Okenov | Katj... 📰 arXiv 📅 2026 👁 176 📚 28

Power Studies For Two-Sample and Goodness-of-Fit Methods For Multivariate Data

We present the results of a large number of simulation studies regarding the power of various goodness-of-fit as well as non-parametric two-sample tests for multivariate data. In two dimensions this i...

👤 Wolfgang Rolke 📰 arXiv 📅 2026 👁 160 📚 28

Climate-Driven Mortality Forecasting Using Deep Learning

Climate extremes have become important drivers of mortality, producing sudden spikes that traditional mortality models fail to predict. To address this gap, we propose a two-step modelling framework t...

👤 Kenrick So | Karim Barigou | Jens Robben 📰 arXiv 📅 2026 👁 146 📚 28

Ultrametric OGP - parametric RDT \emph{symmetric} binary perceptron connection

In [97,99,100], an fl-RDT framework is introduced to characterize \emph{statistical computational gaps} (SCGs). Studying \emph{symmetric binary perceptrons} (SBPs), [100] obtained an \emph{algorithmic...

👤 Mihailo Stojnic 📰 arXiv 📅 2026 👁 143 📚 28

Fine-Tuning Regimes Define Distinct Continual Learning Problems

Continual learning (CL) studies how models acquire tasks sequentially while retaining previously learned knowledge. Despite substantial progress in benchmarking CL methods, comparative evaluations typ...

👤 Paul-Tiberiu Iordache | Elena Burceanu 📰 arXiv 📅 2026 👁 120 📚 28

Evaluating and Generating Query Workloads for High Dimensional Vector Similarity Search

Similarity search lies at the heart of many modern applications, ranging from databases to deep learning to data series analysis. As such, a vast effort has been invested in developing algorithms, dat...

👤 Matteo Ceccarello | Alexandra Levchenko ... 📰 arXiv 📅 2026 👁 114 📚 28

Reinforcement Learning without Ground-Truth Solutions can Improve LLMs

Reinforcement learning with verifiable rewards (RLVR) for training LLMs typically rely on ground-truth answers to assign rewards, limiting their applicability to tasks where the ground-truth solution ...

👤 Yingyu Lin | Qiyue Gao | Nikki Lijing Ku... 📰 arXiv 📅 2026 👁 112 📚 28

TAHOE: Text-to-SQL with Automated Hint Optimization from Experience

Large Language Models (LLMs) have democratized database access through Text-to-SQL, but moving from prototypes to production remains difficult. Real deployments must handle strict SQL dialects, massiv...

👤 Zhiyi Chen | Jie Song | Peng Li 📰 arXiv 📅 2026 👁 102 📚 28

Niching Importance Sampling for Multi-modal Rare-event Simulation

This paper proposes niching importance sampling, a framework that combines concepts from reliability analysis, e.g. Markov chains, importance sampling, and relative cross entropy minimisation, with ni...

👤 Hugh J. Kinnear | F. A. DiazDelaO 📰 arXiv 📅 2026 👁 77 📚 28

Optimal Stabilizer Testing and Learning with Limited Quantum Memory

We study stabilizer state testing and learning with limited coherent quantum memory. Here an algorithm sequentially receives copies of an unknown $n$-qubit state, but may keep only $k$ qubits of coher...

👤 Srinivasan Arunachalam | Louis Schatzki 📰 arXiv 📅 2026 👁 72 📚 28

Information on trajectories: martingales and random times

Accounting for information flow on the path space of trajectories of a nonnegative martingale yields exact variational identities for it, even at arbitrary random times. This recovers the widely used ...

👤 Akshay Balsubramani 📰 arXiv 📅 2026 👁 39 📚 28

Two-Time-Scale Learning Dynamics: A Population View of Neural Network Training

Population-based learning paradigms, including evolutionary strategies, Population-Based Training (PBT), and recent model-merging methods, combine fast within-model optimisation with slower population...

👤 Giacomo Borghi|Hyesung Im|Lorenzo Paresc... 📰 arXiv 📅 2026 👁 532 📚 27

Agent Control Protocol: Admission Control for Agent Actions

Agent Control Protocol (ACP) is a formal technical specification for governance of autonomous agents in B2B institutional environments. ACP is the admission control layer between agent intent and syst...

👤 Marcelo Fernandez 📰 arXiv 📅 2026 👁 408 📚 27

WaVeFuse: Regime-Adaptive Equity Index Forecasting via Channel-Wise Wavelet Denoising and Vertical Attention Fusion

Hybrid Deep Learning for equity index forecasting is limited by three problems: propagation of OHLCV noise into derived technical indicators (TIs), channel-indiscriminate multi-scale decomposition tha...

👤 Aashish Bohra | Vivek Vijay 📰 arXiv 📅 2026 👁 169 📚 27
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