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We investigate the convergence towards periodic orbits in discrete dynamical systems. We examine the probability that a randomly chosen point converges to a particular neighborhood of a periodic orbit in a fixed number of iterations, and we…

动力系统 · 数学 2014-04-21 Jesús San Martín , Mason A. Porter

We compare and discuss the respective efficiency of three methods (with two variants for each of them), based respectively on Taylor (Maclaurin) series, Pad\'{e} approximants and conformal mappings, for solving quasi-analytically a…

数学物理 · 物理学 2011-09-09 S. Abbasbandy , C. Bervillier

We introduce a general class of algorithms and supply a number of general results useful for analysing these algorithms when applied to regular graphs of large girth. As a result, we can transfer a number of results proved for random…

组合数学 · 数学 2017-03-06 Carlos Hoppen , Nicholas Wormald

A dynamic graph algorithm is a data structure that supports edge insertions, deletions, and specific problem queries. While extensive research exists on dynamic algorithms for graph problems solvable in polynomial time, most of these…

数据结构与算法 · 计算机科学 2024-07-10 Jannick Borowitz , Ernestine Großmann , Christian Schulz

Grover's database search algorithm, although discovered in the context of quantum computation, can be implemented using any physical system that allows superposition of states. A physical realization of this algorithm is described using…

量子物理 · 物理学 2009-11-13 Apoorva D. Patel

In exploration, the goal is to build a map of an unknown environment. Most state-of-the-art approaches use map representations that require drift-free state estimates to function properly. Real-world state estimators, however, exhibit…

机器人学 · 计算机科学 2019-09-05 Titus Cieslewski , Andreas Ziegler , Davide Scaramuzza

Traffic congestion propagation poses significant challenges to urban sustainability, disrupting spatial accessibility. The cascading effect of traffic congestion propagation can cause large-scale disruptions to networks. Existing studies…

社会与信息网络 · 计算机科学 2025-12-23 Weihua Huan , Kaizhen Tan , Xintao Liu , Shoujun Jia , Shijun Lu , Jing Zhang , Wei Huang

We consider a generic algorithmic paradigm that we call progressive exploration, which can be used to develop simple and efficient parameterized graph algorithms. We identify two model-theoretic properties that lead to efficient progressive…

计算机科学中的逻辑 · 计算机科学 2018-11-19 Grzegorz Fabiański , Michał Pilipczuk , Sebastian Siebertz , Szymon Toruńczyk

Approximating the set of reachable states of a dynamical system is an algorithmic yet mathematically rigorous way to reason about its safety. Although progress has been made in the development of efficient algorithms for affine dynamical…

系统与控制 · 计算机科学 2022-05-03 Sergiy Bogomolov , Marcelo Forets , Goran Frehse , Andreas Podelski , Christian Schilling , Frédéric Viry

We introduce a novel framework for uncertainty quantification in clustering that combines martingale posterior distributions with density-based clustering. Unlike classical model-based approaches, which define clusters at the latent level…

机器学习 · 统计学 2026-04-20 Nicola Bariletto , Stephen G. Walker

Searching recurrent patterns in complex systems with high-dimensional phase spaces is an important task in diverse fields. In the current work, an improved scheme is proposed to accelerate the recently designed variational approach for…

混沌动力学 · 物理学 2022-01-11 Ding Wang , Yueheng Lan

Optical Earth observation satellites acquire images worldwide , covering up to several million square kilometers every day. The complexity of scheduling acquisitions for such systems increases exponentially when considering the…

机器学习 · 计算机科学 2019-11-14 Adrien Hadj-Salah , Rémi Verdier , Clément Caron , Mathieu Picard , Mikaël Capelle

Graph partitioning has long been seen as a viable approach to address Graph DBMS scalability. A partitioning, however, may introduce extra query processing latency unless it is sensitive to a specific query workload, and optimised to…

数据库 · 计算机科学 2016-06-24 Hugo Firth , Paolo Missier

Although it is relatively easy to apply, the gradient method often displays a disappointingly slow rate of convergence. Its convergence is specially based on the structure of the matrix of the algebraic linear system, and on the choice of…

数值分析 · 数学 2025-06-03 Ibrahima Dione

Building on the remarkable achievements in generative sampling of natural images, we propose an innovative challenge, potentially overly ambitious, which involves generating samples of entire multivariate time series that resemble images.…

Deep networks realize complex mappings that are often understood by their locally linear behavior at or around points of interest. For example, we use the derivative of the mapping with respect to its inputs for sensitivity analysis, or to…

机器学习 · 计算机科学 2019-07-09 Guang-He Lee , David Alvarez-Melis , Tommi S. Jaakkola

Spacecraft entering Mars require precise navigation algorithms capable of accurately estimating the vehicle's position and velocity in dynamic and uncertain atmospheric environments. Discrepancies between the true Martian atmospheric…

机器学习 · 计算机科学 2024-05-22 Felipe Giraldo-Grueso , Andrey A. Popov , Renato Zanetti

Semantic segmentation is a popular research topic in computer vision, and many efforts have been made on it with impressive results. In this paper, we intend to search an optimal network structure that can run in real-time for this problem.…

计算机视觉与模式识别 · 计算机科学 2022-08-11 Peng Ye , Baopu Li , Tao Chen , Jiayuan Fan , Zhen Mei , Chen Lin , Chongyan Zuo , Qinghua Chi , Wanli Ouyan

Sapce-borne gravitational wave antennas, such as LISA and LISA-like mission (Taiji and Tianqin), will offer novel perspectives for exploring our Universe while introduce new challenges, especially in data analysis. Aside from the known…

广义相对论与量子宇宙学 · 物理学 2024-09-17 Yuxiang Xu , Minghui Du , Peng Xu , Bo Liang , He Wang

Directed acyclic graphs (DAGs) encode a lot of information about a particular distribution in their structure. However, compute required to infer these structures is typically super-exponential in the number of variables, as inference…

机器学习 · 计算机科学 2023-06-13 Jeroen Berrevoets , Nabeel Seedat , Fergus Imrie , Mihaela van der Schaar