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Single-file diffusion refers to the motion of diffusive particles in narrow channels, so that they cannot bypass each other. This constraint leads to the subdiffusion of a tagged particle, called the tracer. This anomalous behaviour results…

统计力学 · 物理学 2023-05-01 Aurélien Grabsch , Pierre Rizkallah , Alexis Poncet , Pierre Illien , Olivier Bénichou

High entropy alloys (HEAs) are considered as a novel class of materials with a large number of components available in nearly equatomic proportions. One of the characteristic properties of HEAs was believed to be so-called "sluggish"…

材料科学 · 物理学 2018-04-11 Sergiy V. Divinski , Alexander Pokoev , Neelamegan Esakkiraja , Aloke Paul

Rigorous quantitative evaluation of microarchitectural side channels is challenging for two reasons. First, the processors, attacks, and defenses often exhibit probabilistic behaviors. These probabilistic behaviors arise due to natural…

密码学与安全 · 计算机科学 2025-10-06 Weihang Li , Pete Crowley , Arya Tschand , Yu Wang , Miroslav Pajic , Daniel Sorin

Constrained sampling and counting are two fundamental problems in artificial intelligence with a diverse range of applications, spanning probabilistic reasoning and planning to constrained-random verification. While the theory of these…

We investigate the problem of establishing finite-time probabilistic safety guarantees for discrete-time stochastic dynamical systems subject to unknown disturbance distributions, using barrier certificate methods. Our approach develops a…

系统与控制 · 电气工程与系统科学 2026-03-03 Taoran Wu , Dominik Wagner , C. -H. Luke Ong , Bai Xue

High angular resolution X-ray imaging is always demanded by astrophysics and solar physics, which can be realized by coded-mask imaging with very long mask-detector distance in principle. Previously the diffraction-interference effect has…

天体物理学 · 物理学 2009-11-13 Chen Zhang , Shuang Nan Zhang

The Shapes Constraint Language (SHACL) is a recent W3C recommendation language for validating RDF data. Specifically, SHACL documents are collections of constraints that enforce particular shapes on an RDF graph. Previous work on the topic…

计算机科学中的逻辑 · 计算机科学 2020-11-06 Paolo Pareti , George Konstantinidis , Fabio Mogavero , Timothy J. Norman

Similarity analysis is used to identify the control parameter $R_A$ for the subset of avalanching systems that can exhibit Self- Organized Criticality (SOC). This parameter expresses the ratio of driving to dissipation. The transition to…

数学物理 · 物理学 2009-11-13 S. C. Chapman , G. Rowlands , N. W. Watkins

This paper investigates the secret key authentication capacity region. Specifically, the focus is on a model where a source must transmit information over an adversary controlled channel where the adversary, prior to the source's…

信息论 · 计算机科学 2020-01-07 Jake Perazzone , Eric Graves , Paul Yu , Rick Blum

Reliable uncertainty quantification is essential for deploying machine learning systems in high-stakes domains. Conformal prediction provides distribution-free coverage guarantees but often produces overly large prediction sets, limiting…

机器学习 · 计算机科学 2026-04-28 Yunpeng Xu , Wenge Guo , Zhi Wei

The recent, impressive advances in algorithmic generation of high-fidelity image, audio, and video are largely due to great successes in score-based diffusion models. A key implementing step is score matching, that is, the estimation of the…

机器学习 · 统计学 2024-09-12 Zehao Dou , Subhodh Kotekal , Zhehao Xu , Harrison H. Zhou

Unsupervised hashing methods typically aim to preserve the similarity between data points in a feature space by mapping them to binary hash codes. However, these methods often overlook the fact that the similarity between data points in the…

计算机视觉与模式识别 · 计算机科学 2023-09-01 Kam Woh Ng , Xiatian Zhu , Jiun Tian Hoe , Chee Seng Chan , Tianyu Zhang , Yi-Zhe Song , Tao Xiang

Cryptographic hash functions play a crucial role in ensuring data security, generating fixed-length hashes from variable-length inputs. The hash function SHA-256 is trusted for data security due to its resilience after over twenty years of…

密码学与安全 · 计算机科学 2024-07-01 Nahiyan Alamgir , Saeed Nejati , Curtis Bright

Cache-based side channels enable a dedicated attacker to reveal program secrets by measuring the cache access patterns. Practical attacks have been shown against real-world crypto algorithm implementations such as RSA, AES, and ElGamal. By…

密码学与安全 · 计算机科学 2019-06-03 Shuai Wang , Yuyan Bao , Xiao Liu , Pei Wang , Danfeng Zhang , Dinghao Wu

Based on our previous work on truly concurrent process algebras APTC, we use it to verify the security protocols. This work (called Secure APTC, abbreviated SAPTC) have the following advantages in verifying security protocols: (1) It has a…

计算机科学中的逻辑 · 计算机科学 2021-10-26 Yong Wang

Approximate spectral clustering (ASC) was developed to overcome heavy computational demands of spectral clustering (SC). It maintains SC ability in predicting non-convex clusters. Since it involves a preprocessing step, ASC defines new…

机器学习 · 计算机科学 2023-02-23 Mashaan Alshammari , Masahiro Takatsuka

FLAC is a program to calculate the small-angle neutron scattering intensity of highly packed polydisperse systems of neutral or charged hard spheres within the Percus-Yevick and the Mean Spherical Approximation closures, respectively. The…

统计力学 · 物理学 2009-10-31 Flavio Carsughi , Achille Giacometti , Domenico Gazzillo

Advanced Encryption Standard (AES) algorithm is considered as a secured algorithm. Still, some security issues lie in the S-Box and the key used. In this paper, we have tried to give focus on the security of the key used. Here, the proposed…

密码学与安全 · 计算机科学 2013-07-12 Chittaranjan Pradhan , Ajay Kumar Bisoi

This paper investigates the secret key authentication capacity region. Specifically, the focus is on a model where a source must transmit information over an adversary controlled channel where the adversary, prior to the source's…

信息论 · 计算机科学 2020-01-07 Eric Graves , Jake Perazzone , Paul Yu , Rick Blum

Consistent Hashing functions are widely used for load balancing across a variety of applications. However, the original presentation and typical implementations of Consistent Hashing rely on randomised allocation of hash codes to keys which…

数据结构与算法 · 计算机科学 2015-03-19 Matthew Sackman