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Twin-field quantum key distribution (TF-QKD), which is immune to all possible detector side channel attacks, enables two remote legitimate users to perform secure communications without quantum repeaters. With the help of a central node,…

Quantum Physics · Physics 2019-10-29 Shao-Fu He , Yang Wang , Hong-Wei Li , Wan-Su Bao

The advent of Federated Learning (FL) as a distributed machine learning paradigm has introduced new cybersecurity challenges, notably adversarial attacks that threaten model integrity and participant privacy. This study proposes an…

Cryptography and Security · Computer Science 2024-03-18 Zahir Alsulaimawi

The policy objective of safeguarding financial stability has stimulated a wave of research on systemic risk analytics, yet it still faces challenges in measurability. This paper models systemic risk by tapping into expert knowledge of…

General Finance · Quantitative Finance 2014-12-30 Jozsef Mezei , Peter Sarlin

We propose a novel algorithm, termed soft quasi-Newton (soft QN), for optimization in the presence of bounded noise. Traditional quasi-Newton algorithms are vulnerable to such perturbations. To develop a more robust quasi-Newton method, we…

Optimization and Control · Mathematics 2024-03-06 Erik Berglund , Jiaojiao Zhang , Mikael Johansson

The fuzzy vault is an error tolerant authentication method that ensures the privacy of the stored reference data. Several publications have proposed the application of the fuzzy vault to fingerprints, but the results of subsequent analyses…

Cryptography and Security · Computer Science 2011-11-30 Johannes Merkle , Heinrich Ihmor , Ulrike Korte , Matthias Niesing , Michael Schwaiger

We propose Fractional Policy Gradients (FPG), a reinforcement learning framework incorporating fractional calculus for long-term temporal modeling in policy optimization. Standard policy gradient approaches face limitations from Markovian…

Machine Learning · Computer Science 2025-07-02 Urvi Pawar , Kunal Telangi

In this paper, we introduce the notion of periodic safety, which requires that the system trajectories periodically visit a subset of a forward-invariant safe set, and utilize it in a multi-rate framework where a high-level planner…

Systems and Control · Electrical Eng. & Systems 2022-04-27 Kunal Garg , Ryan K. Cosner , Ugo Rosolia , Aaron D. Ames , Dimitra Panagou

Ensuring safe robot operation in cluttered and dynamic environments remains a fundamental challenge. While control barrier functions provide an effective framework for real-time safety filtering, their performance critically depends on the…

Robotics · Computer Science 2026-02-12 Haocheng Zhao , Lukas Brunke , Oliver Lagerquist , Siqi Zhou , Angela P. Schoellig

The Faithful Shapley Interaction (FSI) index uniquely satisfies the faithfulness axiom among Shapley interaction indices, but computing FSI requires $O(d^\ell \cdot 2^d)$ time and existing implementations use $O(4^d)$ memory. We present…

Machine Learning · Computer Science 2026-01-06 Ungsik Kim , Suwon Lee

In order to address the increasing compromise of user privacy on mobile devices, a Fuzzy Logic based implicit authentication scheme is proposed in this paper. The proposed scheme computes an aggregate score based on selected features and a…

Cryptography and Security · Computer Science 2016-11-11 Feng Yao , Suleiman Y. Yerima , BooJoong Kang , Sakir Sezer

To securely control access to systems, the concept of Zero Trust has been proposed. Access Control based on Zero Trust concept removes implicit trust and instead focuses on evaluating trustworthiness at every access request by using…

Cryptography and Security · Computer Science 2022-09-23 Koudai Hatakeyama , Daisuke Kotani , Yasuo Okabe

Security vulnerability analysis of Integrated Circuits using conventional design-time validation and verification techniques (like simulations, emulations, etc.) is generally a computationally intensive task and incomplete by nature,…

Cryptography and Security · Computer Science 2021-04-22 Faiq Khalid , Imran Hafeez Abbassi , Semeen Rehman , Awais Mehmood Kamboh , Osman Hasan , Muhammad Shafique

Accurate estimation of the tire-road friction coefficient (TRFC) is critical for ensuring safe vehicle control, especially under adverse road conditions. However, most existing methods rely on naturalistic driving data from regular…

Robotics · Computer Science 2026-03-11 Zhaohui Liang , Hang Zhou , Heye Huanh , Xiaopeng Li

Due to the unobservability of confoundings, there has been widespread concern about how to compute causality quantitatively. To address this challenge, proxy-based negative control approaches have been commonly adopted, where auxiliary…

Optimization and Control · Mathematics 2022-11-09 Zhiheng Zhang

We present a barrier method for treating frictional contact on interfaces embedded in finite elements. The barrier treatment has several attractive features, including: (i) it does not introduce any additional degrees of freedom or…

Numerical Analysis · Mathematics 2022-06-17 Yidong Zhao , Jinhyun Choo , Yupeng Jiang , Minchen Li , Chenfanfu Jiang , Kenichi Soga

The balance between exploration and exploitation is a key problem for reinforcement learning methods, especially for Q-learning. In this paper, a fidelity-based probabilistic Q-learning (FPQL) approach is presented to naturally solve this…

Machine Learning · Computer Science 2018-06-11 Chunlin Chen , Daoyi Dong , Han-Xiong Li , Jian Chu , Tzyh-Jong Tarn

Training tool-use agents typically relies on outcome-based filtering: Supervised Fine-Tuning (SFT) on successful trajectories and Reinforcement Learning (RL) on pass-rate-selected tasks. However, this paradigm ignores interaction dynamics:…

Machine Learning · Computer Science 2026-03-03 Jinluan Yang , Yuxin Liu , Zhengyu Chen , Chengcheng Han , Yueqing Sun , Qi Gu , Hui Su , Xunliang Cai , Fei Wu , Kun Kuang

LoRa has become a cornerstone for city-wide IoT applications due to its long-range, low-power communication. It achieves extended transmission by spreading symbols over multiple samples, with redundancy controlled by the Spreading Factor…

Networking and Internet Architecture · Computer Science 2025-11-25 Weiwei Chen , Huaxuan Xiao , Jiefeng Zhang , Xianjin Xia , Shuai Wang , Xianjun Deng , Dan Zeng

Fine-tuning is now the primary method for adapting large neural networks, but it also introduces new integrity risks. An untrusted party can insert backdoors, change safety behavior, or overwrite large parts of a model while claiming only…

Cryptography and Security · Computer Science 2026-04-07 Zhenhang Shang , Kani Chen

Accurately estimating friction coefficients between arbitrary material pairs is critical for robotics, digital fabrication, and physics-based simulation, but exhaustive pairwise testing scales quadratically with the number of materials. We…

Robotics · Computer Science 2026-04-28 Zhendong Wang , Huamin Wang
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