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Range-based localization is ubiquitous: global navigation satellite systems (GNSS) power mobile phone-based navigation, and autonomous mobile robots can use range measurements from a variety of modalities including sonar, radar, and even…

机器人学 · 计算机科学 2024-05-21 Ethan Sequeira , Hussein Saad , Stephen Kelly , Matthew Giamou

In this work we extend the framework of monotone dynamical systems to a broad and important class of stochastic equations, namely cooperative McKean-Vlasov SDEs with multiplicative noise. Under a locally dissipative assumption, our main…

概率论 · 数学 2026-01-06 Chunlin Liu , Baoyou Qu , Jinxiang Yao , Yanpeng Zhi

A random search algorithm intended to solve discrete optimization problems is considered. We outline the main components of the algorithm, and then describe it in more detail. We show how the algorithm can be implemented on parallel…

分布式、并行与集群计算 · 计算机科学 2013-11-13 Nikolai K. Krivulin , Dennis Guster , Charles Hall

Satellite constellations in low-Earth orbit are now widespread, enabling positioning, Earth imaging, and communications. In this paper we address the solution of learning problems using these satellite constellations. In particular, we…

This work presents a novel approach to distribute orbitals into subspaces within electron-pairing-based natural orbital functionals (NOFs). This approach modifies the coupling between weakly and strongly occupied orbitals by applying an…

化学物理 · 物理学 2025-02-05 Élodie Boutou , Juan Felipe Huan Lew-Yee , Jose Maria Mercero , Mario Piris

In this paper we initiate a somewhat detailed investigation of the relationships between quantitative recurrence indicators and algorithmic complexity of orbits in weakly chaotic dynamical systems. We mainly focus on examples.

动力系统 · 数学 2009-11-10 C. Bonanno , S. Galatolo , S. Isola

One approach to achieving correct finite element assembly is to ensure that the local orientation of facets relative to each cell in the mesh is consistent with the global orientation of that facet. Rognes et al. have shown how to achieve…

数学软件 · 计算机科学 2016-11-17 Miklós Homolya , David A. Ham

The intrinsic connection between lattice theory and topology is fairly well established, For instance, the collection of open subsets of a topological subspace always forms a distributive lattice. Persistent homology has been one of the…

环与代数 · 数学 2014-02-03 Primož Škraba , João Pita Costa

In this article we study the possibilities of recovering the structure of port-Hamiltonian systems starting from ``unlabelled'' ordinary differential equations describing mechanical systems. The algorithm we suggest solves the problem in…

计算工程、金融与科学 · 计算机科学 2023-04-26 Vladimir Salnikov , Antoine Falaize , Daria Loziienko

Hypergraphs, increasingly utilised to model complex and diverse relationships in modern networks, have gained significant attention for representing intricate higher-order interactions. Among various challenges, cohesive subgraph discovery…

社会与信息网络 · 计算机科学 2025-07-14 Dahee Kim , Hyewon Kim , Song Kim , Minseok Kim , Junghoon Kim , Yeon-Chang Lee , Sungsu Lim

A widely used strategy to reduce the computational cost in quantum-chemical calculations is to partition the system into an active subsystem, which is the focus of the computational efforts and an environment that is treated at a lower…

化学物理 · 物理学 2023-06-19 Elena Kolodzeiski , Christopher J. Stein

This paper describes a new alignment algorithm for sequences that can be used for determination of deletions and substitutions. It provides several solutions out of which the best one can be chosen on the basis of minimization of gaps or…

信息论 · 计算机科学 2012-11-01 Sandeep Hosangadi , Subhash Kak

In this report, we try to improve the performance of existing approaches for search operations in multi-robot context. We propose three novel algorithms that are using a triangular grid pattern, i.e., robots certainly go through the…

机器人学 · 计算机科学 2016-05-17 Ahmad Baranzadeh

A new era of space exploration and exploitation is fast approaching. A multitude of spacecraft will flow in the future decades under the propulsive momentum of the new space economy. Yet, the flourishing proliferation of deep-space assets…

计算机视觉与模式识别 · 计算机科学 2023-02-15 Eleonora Andreis , Paolo Panicucci , Francesco Topputo

Cooperative localization is fundamental to autonomous multirobot systems, but most algorithms couple inter-robot communication with observation, making these algorithms susceptible to failures in both communication and observation steps. To…

机器人学 · 计算机科学 2021-08-20 Tsang-Kai Chang , Kenny Chen , Ankur Mehta

Eigenvectors of matrices on a network have been used for understanding spectral clustering and influence of a vertex. For matrices with small geodesic-width, we propose a distributed iterative algorithm in this letter to find eigenvectors…

分布式、并行与集群计算 · 计算机科学 2020-11-24 Nazar Emirov , Cheng Cheng , Qiyu Sun , Zhihua Qu

State-of-the-art algorithms for sparse subspace clustering perform spectral clustering on a similarity matrix typically obtained by representing each data point as a sparse combination of other points using either basis pursuit (BP) or…

机器学习 · 计算机科学 2017-11-02 Abolfazl Hashemi , Haris Vikalo

This paper presents an algorithm for the preprocessing of observation data aimed at improving the robustness of orbit determination tools. Two objectives are fulfilled: obtain a refined solution to the initial orbit determination problem…

We propose an algorithm to locate the most critical nodes to network robustness. Such critical nodes may be thought of as those most related to the notion of network centrality. Our proposal relies only on a localized spectral analysis of a…

网络与互联网体系结构 · 计算机科学 2011-08-04 Klaus Wehmuth , Artur Ziviani

Low earth orbit satellite constellations with intersatellite links (ISLs) are currently being developed and deployed. The availability of ISLs provides the capability to route across the satellite constellation, rather than using the…

系统与控制 · 电气工程与系统科学 2025-04-04 Peter Ashwood-Smith , Bill McCormick