{"title":"A generalized Kuramoto model for opinion dynamics on the unit sphere","authors":"Ziqiao Zhang , Said Al-Abri , Fumin Zhang","doi":"10.1016/j.automatica.2024.111957","DOIUrl":null,"url":null,"abstract":"<div><div>In this paper, we develop novel opinion dynamics on the unit sphere for multi-agent systems that provide rich opinion behaviors. The evolution of opinions on the unit sphere is designed based on interactions with neighbors on unsigned graphs. The opinion dynamics on the circle coincide with the well-known Kuramoto model. We then propose a high-dimensional model for opinion dynamics that generalizes the Kuramoto model to unit spheres with dimension higher than one. We characterize the stability of equilibria for the proposed opinion dynamics on the unit sphere, and show that some equilibria are stable. The performance of the proposed model is illustrated through simulations on both the unit circle and the three-dimensional unit sphere.</div></div>","PeriodicalId":55413,"journal":{"name":"Automatica","volume":null,"pages":null},"PeriodicalIF":4.8000,"publicationDate":"2024-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Automatica","FirstCategoryId":"94","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0005109824004515","RegionNum":2,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"AUTOMATION & CONTROL SYSTEMS","Score":null,"Total":0}
引用次数: 0
Abstract
In this paper, we develop novel opinion dynamics on the unit sphere for multi-agent systems that provide rich opinion behaviors. The evolution of opinions on the unit sphere is designed based on interactions with neighbors on unsigned graphs. The opinion dynamics on the circle coincide with the well-known Kuramoto model. We then propose a high-dimensional model for opinion dynamics that generalizes the Kuramoto model to unit spheres with dimension higher than one. We characterize the stability of equilibria for the proposed opinion dynamics on the unit sphere, and show that some equilibria are stable. The performance of the proposed model is illustrated through simulations on both the unit circle and the three-dimensional unit sphere.
期刊介绍：
Automatica is a leading archival publication in the field of systems and control. The field encompasses today a broad set of areas and topics, and is thriving not only within itself but also in terms of its impact on other fields, such as communications, computers, biology, energy and economics. Since its inception in 1963, Automatica has kept abreast with the evolution of the field over the years, and has emerged as a leading publication driving the trends in the field.
After being founded in 1963, Automatica became a journal of the International Federation of Automatic Control (IFAC) in 1969. It features a characteristic blend of theoretical and applied papers of archival, lasting value, reporting cutting edge research results by authors across the globe. It features articles in distinct categories, including regular, brief and survey papers, technical communiqués, correspondence items, as well as reviews on published books of interest to the readership. It occasionally publishes special issues on emerging new topics or established mature topics of interest to a broad audience.
Automatica solicits original high-quality contributions in all the categories listed above, and in all areas of systems and control interpreted in a broad sense and evolving constantly. They may be submitted directly to a subject editor or to the Editor-in-Chief if not sure about the subject area. Editorial procedures in place assure careful, fair, and prompt handling of all submitted articles. Accepted papers appear in the journal in the shortest time feasible given production time constraints.
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