Interpolation-Based Optimization for Enforcing lp-Norm Metric Differential Privacy in Continuous and Fine-Grained Domains Chenxi Qiu http://arxiv.org/abs/2601.09946

On the Leaky Private Information Retrieval with Side Information Yingying Huangfu, Tian Bai http://arxiv.org/abs/2601.09960

Privacy Enhanced PEFT: Tensor Train Decomposition Improves Privacy Utility Tradeoffs under DP-SGD Pradip Kunwar, Minh Vu, Maanak Gupta, Manish Bhattarai http://arxiv.org/abs/2601.10045

Fundamental Limitations of Favorable Privacy-Utility Guarantees for DP-SGD Murat Bilgehan Ertan, Marten van Dijk http://arxiv.org/abs/2601.10237

Differentially Private Inference for Longitudinal Linear Regression Getoar Sopa, Marco Avella Medina, Cynthia Rush http://arxiv.org/abs/2601.10626

DP-FEDSOFIM: Differentially Private Federated Stochastic Optimization using Regularized Fisher Information Matrix Sidhant R. Nair, Tanmay Sen, Mrinmay Sen http://arxiv.org/abs/2601.09166

Contraction of Rényi Divergences for Discrete Channels: Properties and Applications Adrien Vandenbroucque, Amedeo Roberto Esposito, Michael Gastpar http://arxiv.org/abs/2601.09328

SoK: Enhancing Cryptographic Collaborative Learning with Differential Privacy Francesco Capano, Jonas Böhler, Benjamin Weggenmann http://arxiv.org/abs/2601.09460

Dobrushin Coefficients of Private Mechanisms Beyond Local Differential Privacy Leonhard Grosse, Sara Saeidian, Tobias J. Oechtering, Mikael Skoglund http://arxiv.org/abs/2601.09498

Can Inherent Communication Noise Guarantee Privacy in Distributed Cooperative Control ? Yuwen Ma, Sarah K. Spurgeon, Tao Li, Boli Chen http://arxiv.org/abs/2601.07997

On the Generalization Error of Differentially Private Algorithms Via Typicality Yanxiao Liu, Chun Hei Michael Shiu, Lele Wang, Deniz Gündüz http://arxiv.org/abs/2601.08386

Estimating the True Distribution of Data Collected with Randomized Response Carlos Antonio Pinzón, Ehab ElSalamouny, Lucas Massot, Alexis Miller, Héber Hwang Arcolezi, Catuscia Palamidessi http://arxiv.org/abs/2601.08603

From Easy to Hard++: Promoting Differentially Private Image Synthesis Through Spatial-Frequency Curriculum Chen Gong, Kecen Li, Zinan Lin, Tianhao Wang http://arxiv.org/abs/2601.06368

Cross-Border Data Security and Privacy Risks in Large Language Models and IoT Systems Chalitha Handapangoda http://arxiv.org/abs/2601.06612

Near-Optimal Private Linear Regression via Iterative Hessian Mixing Omri Lev, Moshe Shenfeld, Vishwak Srinivasan, Katrina Ligett, Ashia C. Wilson http://arxiv.org/abs/2601.07545

Recursive Binary Identification with Differential Privacy and Data Tampering Attacks Jimin Wang, Jieming Ke, Jin Guo, Yanlong Zhao http://arxiv.org/abs/2601.07608

Secure Change-Point Detection for Time Series under Homomorphic Encryption Federico Mazzone, Giorgio Micali, Massimiliano Pronesti http://arxiv.org/abs/2601.05865

Privacy at Scale in Networked Healthcare M. Amin Rahimian, Benjamin Panny, James Joshi http://arxiv.org/abs/2601.04298

DP-MGTD: Privacy-Preserving Machine-Generated Text Detection via Adaptive Differentially Private Entity Sanitization Lionel Z. Wang, Yusheng Zhao, Jiabin Luo, Xinfeng Li, Lixu Wang, Yinan Peng, Haoyang Li, XiaoFeng Wang, Wei Dong http://arxiv.org/abs/2601.04641

Sequential Subspace Noise Injection Prevents Accuracy Collapse in Certified Unlearning Polina Dolgova, Sebastian U. Stich http://arxiv.org/abs/2601.05134

The Adverse Effects of Omitting Records in Differential Privacy: How Sampling and Suppression Degrade the Privacy-Utility Tradeoff (Long Version) Àlex Miranda-Pascual, Javier Parra-Arnau, Thorsten Strufe http://arxiv.org/abs/2601.05180

Differentially Private Bayesian Inference for Gaussian Copula Correlations Shuo Wang, Joseph Feldman, Jerome P. Reiter http://arxiv.org/abs/2601.03497

A Critical Analysis of the Medibank Health Data Breach and Differential Privacy Solutions Zhuohan Cui, Qianqian Lang, Zikun Song http://arxiv.org/abs/2601.03508

Context-aware Privacy Bounds for Linear Queries Heng Zhao, Sara Saeidian, Tobias J. Oechtering http://arxiv.org/abs/2601.02855

Publishing Below-Threshold Triangle Counts under Local Weight Differential Privacy Kevin Pfisterer, Quentin Hillebrand, Vorapong Suppakitpaisarn http://arxiv.org/abs/2601.01710

Local Layer-wise Differential Privacy in Federated Learning Yunbo Li, Jiaping Gui, Fanchao Meng, Yue Wu http://arxiv.org/abs/2601.01737

MindChat: A Privacy-preserving Large Language Model for Mental Health Support Dong Xue, Jicheng Tu, Ming Wang, Xin Yan, Fangzhou Liu, Jie Hu http://arxiv.org/abs/2601.01993

Differential Privacy for Transformer Embeddings of Text with Nonparametric Variational Information Bottleneck Dina El Zein, James Henderson http://arxiv.org/abs/2601.02307

Efficient Algorithms for Adversarially Robust Approximate Nearest Neighbor Search Alexandr Andoni, Themistoklis Haris, Esty Kelman, Krzysztof Onak http://arxiv.org/abs/2601.00272

When Does Quantum Differential Privacy Compose? Daniel Alabi, Theshani Nuradha http://arxiv.org/abs/2601.00337

Exploring the Integration of Differential Privacy in Cybersecurity Analytics: Balancing Data Utility and Privacy in Threat Intelligence Brahim Khalil Sedraoui, Abdelmadjid Benmachiche, Amina Makhlouf, Chaouki Chemam http://arxiv.org/abs/2601.00385

FedHypeVAE: Federated Learning with Hypernetwork Generated Conditional VAEs for Differentially Private Embedding Sharing Sunny Gupta, Amit Sethi http://arxiv.org/abs/2601.00785

MTSP-LDP: A Framework for Multi-Task Streaming Data Publication under Local Differential Privacy Chang Liu, Junzhou Zhao http://arxiv.org/abs/2512.24899

Distributed Fusion Estimation with Protecting Exogenous Inputs Liping Guo, Jimin Wang, Yanlong Zhao, Ji-Feng Zhang http://arxiv.org/abs/2512.22914

Composition Theorems for f-Differential Privacy Natasha Fernandes, Annabelle McIver, Parastoo Sadeghi http://arxiv.org/abs/2512.21358

Weighted Fourier Factorizations: Optimal Gaussian Noise for Differentially Private Marginal and Product Queries Christian Janos Lebeda, Aleksandar Nikolov, Haohua Tang http://arxiv.org/abs/2512.21499

First Provable Guarantees for Practical Private FL: Beyond Restrictive Assumptions Egor Shulgin, Grigory Malinovsky, Sarit Khirirat, Peter Richtárik http://arxiv.org/abs/2512.21521

Inference in the $p_0$ model for directed networks under local differential privacy Xueying Sun, Ting Yan, Binyan Jiang http://arxiv.org/abs/2512.21700

Differentially Private Feature Release for Wireless Sensing: Adaptive Privacy Budget Allocation on CSI Spectrograms Ipek Sena Yilmaz, Onur G. Tuncer, Zeynep E. Aksoy, Zeynep Yağmur Baydemir http://arxiv.org/abs/2512.20323

Privacy Data Pricing: A Stackelberg Game Approach Lijun Bo, Weiqiang Chang http://arxiv.org/abs/2512.18296

Protecting Human Activity Signatures in Compressed IEEE 802.11 CSI Feedback Mohamed Seif, Atsutse Kludze, Yasaman Ghasempour, H. Vincent Poor, Doru Calin, Andrea J. Goldsmith http://arxiv.org/abs/2512.18529

DPSR: Differentially Private Sparse Reconstruction via Multi-Stage Denoising for Recommender Systems Sarwan Ali http://arxiv.org/abs/2512.18932

Optimizer Dynamics at the Edge of Stability with Differential Privacy Ayana Hussain, Ricky Fang http://arxiv.org/abs/2512.19019

AlignDP: Hybrid Differential Privacy with Rarity-Aware Protection for LLMs Madhava Gaikwad http://arxiv.org/abs/2512.17251

An Iconic Heavy Hitter Algorithm Made Private Rayne Holland http://arxiv.org/abs/2512.17295

Improved Lower Bounds for Privacy under Continual Release Bardiya Aryanfard, Monika Henzinger, David Saulpic, A. R. Sricharan http://arxiv.org/abs/2512.15981

Observer-based Differentially Private Consensus for Linear Multi-agent Systems Xiaofeng Zong, Ming-Yu Wang, Jimin Wang, Ji-Feng Zhang http://arxiv.org/abs/2512.16736

PrivateXR: Defending Privacy Attacks in Extended Reality Through Explainable AI-Guided Differential Privacy Ripan Kumar Kundu, Istiak Ahmed, Khaza Anuarul Hoque http://arxiv.org/abs/2512.16851

Distributed HDMM: Scalable, Distributed, Accurate, and Differentially Private Query Workloads without a Trusted Curator Ratang Sedimo, Ivoline C. Ngong, Jami Lashua, Joseph P. Near http://arxiv.org/abs/2512.15648