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Torus networks of moderate degree have been widely used in the supercomputer industry. Tori are superb when used for executing applications that require near-neighbor communications. Nevertheless, they are not so good when dealing with…

分布式、并行与集群计算 · 计算机科学 2013-11-11 Cristóbal Camarero , Carmen Martínez , Ramón Beivide

Based on the tensor network state representation, we develop a nonlinear dynamic theory coined as network contractor dynamics (NCD) to explore the thermodynamic properties of two-dimensional quantum lattice models. By invoking the rank-$1$…

强关联电子 · 物理学 2013-08-20 Shi-Ju Ran , Bin Xi , Tao Liu , Gang Su

Three-dimensional lattices are fundamental to solid-state physics. The description of a lattice with an atomic basis constitutes the necessary information to predict solid phase properties and evolution. Here, we present a new algorithm for…

材料科学 · 物理学 2022-08-17 David Mrdjenovich , Kristin Persson

We propose a novel model-reduction methodology for large-scale dynamic networks with tightly-connected components. First, the coherent groups are identified by a spectral clustering algorithm on the graph Laplacian matrix that models the…

系统与控制 · 电气工程与系统科学 2022-10-04 Hancheng Min , Enrique Mallada

The fermionic many-body problem in the strong correlation regime is notoriously difficult to tackle. In a previous work (Phys. Rev. B 101, 045109 (2020)), we have proposed to extend the single-reference coupled-cluster (SRCC) method to the…

强关联电子 · 物理学 2024-11-13 Dominic Bergeron

Standard one-carrier kinetic models for thermoluminescence (TL) relate to the simple trap model (STM) and the model of localized transitions (LT). This paper presents a review of TL properties in various spatially correlated systems (SCS)…

材料科学 · 物理学 2007-05-23 Arkadiusz Mandowski

We have discovered a new family of three-dimensional crystal sphere packings that are strictly jammed (i.e., mechanically stable) and yet possess an anomalously low density. This family constitutes an uncountably infinite number of crystal…

软凝聚态物质 · 物理学 2009-11-13 S. Torquato , F. H. Stillinger

We present a systematic search for low-energy metastable superhard carbon allotropes by using the recently developed evolutionary metadynamics technique. It is known that cold compression of graphite produces an allotrope at 15-20 GPa. Here…

材料科学 · 物理学 2012-05-22 Qiang Zhu , Qingfeng Zeng , Artem R. Oganov

Archimedean lattices constitute a unique family of two-dimensional tilings formed from regular polygons arranged with uniform vertex configurations. While the kagome and snub square lattices, the simplest members of the Archimedean lattice…

介观与纳米尺度物理 · 物理学 2025-12-19 L. V. Duc Pham , Nicki F. Hinsche , Ingrid Mertig

We present the results of a search for extremely metal-poor (EMP), carbon-enhanced metal-poor (CEMP), and cataclysmic variable (CV) stars using a new exploration tool based on linked scatter plots (LSPs). Our approach is especially designed…

太阳与恒星天体物理 · 物理学 2017-05-04 Duane F. Carbon , Christopher Henze , Bron C. Nelson

Previous research has showcased that the characterization of surface cracks is one of the key steps towards understanding the durability of strain hardening cementitious composites (SHCCs). Under laboratory conditions, surface crack…

图像与视频处理 · 电气工程与系统科学 2021-05-04 Avik Kumar Das , Chrisopher K. Y. Leung , Kai Tai Wan

It has been known for some time that the topological entropy is a nondecreasing function of the parameter in the real quadratic family, which corresponds to the intuitive idea that more nonlinearity induces more complex dynamical behavior.…

动力系统 · 数学 2009-09-25 John Milnor , Charles Tresser

In many areas of applied geometric/numeric computational mathematics, including geo-mapping, computer vision, computer graphics, finite element analysis, medical imaging, geometric design, and solid modeling, one has to compute incidences,…

The network structure (or topology) of a dynamical network is often unavailable or uncertain. Hence, we consider the problem of network reconstruction. Network reconstruction aims at inferring the topology of a dynamical network using…

最优化与控制 · 数学 2018-09-26 Henk J. van Waarde , Pietro Tesi , M. Kanat Camlibel

We have developed an efficient crystal structure prediction (CSP) method for desired chemical compositions, specifically suited for compounds featuring recurring molecules or rigid bodies. We applied this method to two metal chalcogenides:…

材料科学 · 物理学 2024-08-01 Qi Zhang , Amitava Choudhury , Aleksandr Chernatynskiy

We present version 2 of SModelS, a program package for the fast reinterpretation of LHC searches for new physics on the basis of simplified model results. The major novelty of the SModelS v2 series is an extended topology description with a…

Complex molecules and mesoscopic structures are naturally described by general networks of elementary building blocks and tight-binding is one of the simplest quantum model suitable for studying the physical properties arising from the…

凝聚态物理 · 物理学 2009-11-07 P. Buonsante , R. Burioni , D. Cassi

Hopfions, three-dimensional topological solitons characterized by nontrivial Hopf indices, represent a fundamental class of field configurations that emerge across diverse areas of physics. Despite extensive studies of isolated hopfions, a…

强关联电子 · 物理学 2025-12-02 Wen-Tao Hou , Zhuoxian Xiang , Yizhou Liu , Jiadong Zang

Mining frequent subgraphs is an area of research where we have a given set of graphs (each graph can be seen as a transaction), and we search for (connected) subgraphs contained in many of these graphs. In this work we will discuss…

人工智能 · 计算机科学 2007-05-23 Edgar H. de Graaf , Joost N. Kok , Walter A. Kosters

One of the paramount challenges in neuroscience is to understand the dynamics of individual neurons and how they give rise to network dynamics when interconnected. Historically, researchers have resorted to graph theory, statistics, and…

神经元与认知 · 定量生物学 2019-02-08 Jean-Baptiste Bardin , Gard Spreemann , Kathryn Hess