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A system of symmetrically coupled identical oscillators with phase lag is presented, which is capable of generating a large repertoire of transient (metastable) "chimera" states in which synchronisation and desynchronisation co-exist. The…

生物物理 · 物理学 2013-06-07 Murray Shanahan

A graphical model is a statistical model that is associated to a graph whose nodes correspond to variables of interest. The edges of the graph reflect allowed conditional dependencies among the variables. Graphical models admit…

统计方法学 · 统计学 2016-06-09 Mathias Drton , Marloes H. Maathuis

Modern machine learning systems represent their computations as dataflow graphs. The increasingly complex neural network architectures crave for more powerful yet efficient programming abstractions. In this paper we propose an efficient…

编程语言 · 计算机科学 2024-10-29 Kelly Kostopoulou , Angelos Charalambidis , Panos Rondogiannis

Inspired by recent studies on deterministic oscillator models, we introduce a stochastic one-dimensional model for a chain of interacting particles. The model consists of $N$ oscillators performing continuous-time random walks on the…

统计力学 · 物理学 2026-02-04 Emilio N. M. Cirillo , Matteo Colangeli , Claudio Giberti , Lamberto Rondoni

We show the possibility of controlling the dynamical behavior of a single fiber ring (SFR) resonator system with the fiber being an amplified (gain) channel and the ring being attenuated (loss) nonlinear dielectric medium. Our model is…

混沌动力学 · 物理学 2017-10-25 Jyoti P. Deka , Samit Kumar Gupta , Amarendra K. Sarma

Phase oscillators are a common starting point for the reduced description of many single neuron models that exhibit a strongly attracting limit cycle. The framework for analysing such models in response to weak perturbations is now…

神经元与认知 · 定量生物学 2013-02-05 Kyle C A Wedgwood , Kevin K Lin , Rüdiger Thul , Stephen Coombes

We identify a new type of pattern formation in spatially distributed active systems. We simulate one-dimensional two-component systems with predator-prey local interaction and pursuit-evasion taxis between the components. In a sufficiently…

斑图形成与孤子 · 物理学 2013-05-29 V. N. Biktashev , M. A. Tsyganov

Sustained oscillations observed in power systems can damage equipment, degrade the power quality and increase the risks of cascading blackouts. There are several mechanisms that can give rise to oscillations, each requiring different…

系统与控制 · 计算机科学 2015-10-12 Xiaozhe Wang , Konstantin Turitsyn

Oscillatory activities are widely observed in specific frequency bands of recorded field potentials in different brain regions, and play critical roles in processing neural information. Understanding the structure of these oscillatory…

神经元与认知 · 定量生物学 2015-07-23 Pengsheng Zheng

Agent-based models are a natural choice for modeling complex social systems. In such models simple stochastic interaction rules for a large population of individuals can lead to emergent dynamics on the macroscopic scale, for instance a…

物理与社会 · 物理学 2023-08-02 Luzie Helfmann , Jobst Heitzig , Péter Koltai , Jürgen Kurths , Christof Schütte

Spontaneous scalarization phenomenon in scalar-tensor gravity is known to be a form of phase transition, and it was recently shown that the order of this transition changes depending on the parameters of the theory. There exists a…

广义相对论与量子宇宙学 · 物理学 2026-04-29 Murat Özinan , Kıvanç İ. Ünlütürk , Fethi M. Ramazanoğlu

Understanding cell fate selection remains a central challenge in developmental biology. We present a class of simple yet biologically-motivated mathematical models for cell differentiation that generically generate oscillations and hence…

Scan data of urban environments often include representations of dynamic objects, such as vehicles, pedestrians, and so forth. However, when it comes to constructing a 3D point cloud map with sequential accumulations of the scan data, the…

计算机视觉与模式识别 · 计算机科学 2021-03-09 Hyungtae Lim , Sungwon Hwang , Hyun Myung

A generalized Kuramoto model of coupled phase oscillators with slowly varying coupling matrix is studied. The dynamics of the coupling coefficients is driven by the phase difference of pairs of oscillators in such a way that the coupling…

适应与自组织系统 · 物理学 2009-11-07 Philip Seliger , Stephen C. Young , Lev S. Tsimring

This paper presents a factor graph formulation and particle-based sum-product algorithm (SPA) for robust sequential localization in multipath-prone environments. The proposed algorithm jointly performs data association, sequential…

信号处理 · 电气工程与系统科学 2023-06-16 Alexander Venus , Erik Leitinger , Stefan Tertinek , Klaus Witrisal

Swarmalators are entities that swarm through space and sync in time and are potentially considered to replicate the complex dynamics of many real-world systems. So far, the internal dynamics of swarmalators have been taken as a phase…

适应与自组织系统 · 物理学 2024-04-29 Samali Ghosh , Suvam Pal , Gourab Kumar Sar , Dibakar Ghosh

In this study, we investigate the continuous time dynamics of Recurrent Neural Networks (RNNs), focusing on systems with nonlinear activation functions. The objective of this work is to identify conditions under which RNNs exhibit perpetual…

机器学习 · 计算机科学 2025-04-22 Michele Casoni , Tommaso Guidi , Alessandro Betti , Stefano Melacci , Marco Gori

Associative memory systems enable content-addressable storage and retrieval of patterns, a capability central to biological neural computation and artificial intelligence. Classical implementations such as Hopfield networks face fundamental…

神经与进化计算 · 计算机科学 2026-04-03 Arie Ogranovich , Taosha Guo , Arvind R. Venkatakrishnan , Madelyn Shapiro , Francesco Bullo , Fabio Pasqualetti

Agentic LLM frameworks that rely on prompted orchestration, where the model itself determines workflow transitions, often suffer from hallucinated routing, infinite loops, and non-reproducible execution. We introduce GraphBit, an…

人工智能 · 计算机科学 2026-05-15 Yeahia Sarker , Md Rahmat Ullah , Musa Molla , Shafiq Joty

Graphs are a commonly used construct for representing relationships between elements in complex high dimensional datasets. Many real-world phenomenon are dynamic in nature, meaning that any graph used to represent them is inherently…

社会与信息网络 · 计算机科学 2018-11-21 Stephen Bonner , John Brennan , Ibad Kureshi , Georgios Theodoropoulos , Andrew Stephen McGough , Boguslaw Obara