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AI & Data Science Preprint PDF DOI

When Flat Minima Fail: Characterizing INT4 Quantization Collapse After FP32 Convergence

Marcus Armstrong ยท 2026

Post-training quantization (PTQ) assumes that a well-converged model is a quantization-ready model. We show this assumption fails in a structured, measurable, and previously uncharacterized way. Usingโ€ฆ

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AI & Data Science Preprint PDF DOI

Class Unlearning via Depth-Aware Removal of Forget-Specific Directions

Arman Hatami, Romina Aalishah, Ilya E. Monosov ยท 2026

Machine unlearning aims to remove targeted knowledge from a trained model without the cost of retraining from scratch. In class unlearning, however, reducing accuracy on forget classes does not necessโ€ฆ

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AI & Data Science Preprint PDF DOI

LLMs Gaming Verifiers: RLVR can Lead to Reward Hacking

Lukas Helff, Quentin Delfosse, David Steinmann, Ruben Harle, Hikaru Shindo, Patrick Schramowski, Wolfgang Stammer, Kristian Kersting, Felix Friedrich ยท 2026

As reinforcement Learning with Verifiable Rewards (RLVR) has become the dominant paradigm for scaling reasoning capabilities in LLMs, a new failure mode emerges: LLMs gaming verifiers. We study this pโ€ฆ

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AI & Data Science Preprint PDF DOI

IG-Search: Step-Level Information Gain Rewards for Search-Augmented Reasoning

Zihan Liang, Yufei Ma, Ben Chen, Zhipeng Qian, Huangyu Dai, Lingtao Mao, Xuxin Zhang, Chenyi Lei, Wenwu Ou ยท 2026

Reinforcement learning has emerged as an effective paradigm for training large language models to perform search-augmented reasoning. However, existing approaches rely on trajectory-level rewards thatโ€ฆ

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AI & Data Science Preprint PDF DOI

Structure as Computation: Developmental Generation of Minimal Neural Circuits

Duan Zhou ยท 2026

This work simulates the developmental process of cortical neurogenesis, initiating from a single stem cell and governed by gene regulatory rules derived from mouse single-cell transcriptomic data. Theโ€ฆ

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AI & Data Science Preprint PDF DOI

KVNN: Learnable Multi-Kernel Volterra Neural Networks

Haoyu Yun, Hamid Krim, Yufang Bao ยท 2026

Higher-order learning is fundamentally rooted in exploiting compositional features. It clearly hinges on enriching the representation by more elaborate interactions of the data which, in turn, tends tโ€ฆ

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Engineering Preprint PDF DOI

Ternary Noise Modulation

Ata Bilgin, Erkin Yap{i}c{i}, Yusuf Islam Tek, Ertugrul Basar ยท 2026

By exploiting noise as an information-bearing resource, noise-driven communication offers a promising framework for low-complexity and secure wireless system design. In this letter, the scheme of ternโ€ฆ

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Physics Preprint PDF DOI

Localization and Confidence Region Estimation of Short GRBs with the COSI BGO Shield Using a HEALPix-Based Deep Learning Approach

N. Parmiggiani, A. Bulgarelli, G. Panebianco, E. Burns, E. Neights, V. Fioretti, I. Martinez-Castellanos, L. Castaldini, A. Ciabattoni, A. Di Piano, R. Falco, S. Gallego, G. Mustafa, P. Patel, A. Rizzo, E. A. Wulf, D. H. Hartmann, C. A. Kierans, J. A. Tomsick, A. Zoglauer ยท 2026

The Compton Spectrometer and Imager is a NASA satellite mission under development that will survey the entire sky in the 0.2-5 MeV range using a wide-field germanium detector array, surrounded on the โ€ฆ

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Computer Science Preprint PDF DOI

NFTDELTA: Detecting Permission Control Vulnerabilities in NFT Contracts through Multi-View Learning

Hailu Kuang, Xiaoqi Li, Wenkai Li, Zongwei Li ยท 2026

Permission control vulnerabilities in Non-fungible token (NFT) contracts can result in significant financial losses, as attackers may exploit these weaknesses to gain unauthorized access or circumventโ€ฆ

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AI & Data Science Preprint PDF DOI

FedIDM: Achieving Fast and Stable Convergence in Byzantine Federated Learning through Iterative Distribution Matching

He Yang, Dongyi Lv, Wei Xi, Song Ma, Hanlin Gu, Jizhong Zhao ยท 2026

Most existing Byzantine-robust federated learning (FL) methods suffer from slow and unstable convergence. Moreover, when handling a substantial proportion of colluded malicious clients, achieving robuโ€ฆ

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AI & Data Science Preprint PDF DOI

MinShap: A Modified Shapley Value Approach for Feature Selection

Chenghui Zheng, Garvesh Raskutti ยท 2026

Feature selection is a classical problem in statistics and machine learning, and it continues to remain an extremely challenging problem especially in the context of unknown non-linear relationships wโ€ฆ

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Computer Science Preprint PDF DOI

Metric-agnostic Learning-to-Rank via Boosting and Rank Approximation

Camilo Gomez, Pengyang Wang, Yanjie Fu ยท 2026

Learning-to-Rank (LTR) is a supervised machine learning approach that constructs models specifically designed to order a set of items or documents based on their relevance or importance to a given queโ€ฆ

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Mathematics Preprint PDF DOI

Presenting Neural Networks via Coherent Functors

Matthew Pugh, Jo Grundy, Corina Cirstea, Nick Harris ยท 2026

This paper develops a methodology for representing machine learning models as models of formal theories, grounded in the perspective that machine learning models are a form of database and that databaโ€ฆ

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AI & Data Science Preprint PDF DOI

OpenMobile: Building Open Mobile Agents with Task and Trajectory Synthesis

Kanzhi Cheng, Zehao Li, Zheng Ma, Nuo Chen, Jialin Cao, Qiushi Sun, Zichen Ding, Fangzhi Xu, Hang Yan, Jiajun Chen, Anh Tuan Luu, Jianbing Zhang, Lewei Lu, Dahua Lin ยท 2026

Mobile agents powered by vision-language models have demonstrated impressive capabilities in automating mobile tasks, with recent leading models achieving a marked performance leap, e.g., nearly 70% sโ€ฆ

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Computer Science Preprint PDF DOI

Autonomous Evolution of EDA Tools: Multi-Agent Self-Evolved ABC

Cunxi Yu, Haoxing Ren ยท 2026

This paper introduces the first \emph{self-evolving} logic synthesis framework, which leverages Large Language Model (LLM) agents to autonomously improve the source code of \textsc{ABC}, the widely adโ€ฆ

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AI & Data Science Preprint PDF DOI

Learning Where to Embed: Noise-Aware Positional Embedding for Query Retrieval in Small-Object Detection

Yangchen Zeng, Zhenyu Yu, Dongming Jiang, Wenbo Zhang, Yifan Hong, Zhanhua Hu, Jiao Luo, Kangning Cui ยท 2026

Transformer-based detectors have advanced small-object detection, but they often remain inefficient and vulnerable to background-induced query noise, which motivates deep decoders to refine low-qualitโ€ฆ

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AI & Data Science Preprint PDF DOI

No More Guessing: a Verifiable Gradient Inversion Attack in Federated Learning

Francesco Diana, Chuan Xu, Andre Nusser, Giovanni Neglia ยท 2026

Gradient inversion attacks threaten client privacy in federated learning by reconstructing training samples from clients' shared gradients. Gradients aggregate contributions from multiple records and โ€ฆ

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Physics Preprint PDF DOI

GAT-QNN: Genetic Algorithm-Based Training of Hybrid Quantum Neural Networks

Tasnim Ahmed, Alberto Marchisio, Muhammad Kashif, Nouhaila Innan, Muhammad Shafique ยท 2026

Hybrid Quantum Neural Networks (HQNNs) combine classical learning with parameterized quantum circuits, but their practical performance is often limited by (i) the noise of Noisy Intermediate-Scale Quaโ€ฆ

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AI & Data Science Preprint PDF DOI

When Fairness Metrics Disagree: Evaluating the Reliability of Demographic Fairness Assessment in Machine Learning

Khalid Adnan Alsayed ยท 2026

The evaluation of fairness in machine learning systems has become a central concern in high-stakes applications, including biometric recognition, healthcare decision-making, and automated risk assessmโ€ฆ

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Engineering Preprint PDF DOI

DockAnywhere: Data-Efficient Visuomotor Policy Learning for Mobile Manipulation via Novel Demonstration Generation

Ziyu Shan, Yuheng Zhou, Gaoyuan Wu, Ziheng Ji, Zhenyu Wu, Ziwei Wang ยท 2026

Mobile manipulation is a fundamental capability that enables robots to interact in expansive environments such as homes and factories. Most existing approaches follow a two-stage paradigm, where the rโ€ฆ

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