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We introduce a minimal opinion formation model, which is quite flexible and can reproduce a broad variety of the existing micro-influence assumptions and models. At the same time, the model can be easily calibrated on real data, upon which…

物理与社会 · 物理学 2022-04-05 Ivan V. Kozitsin

The SARS-CoV-2 pandemic reminded us how vaccination can be a divisive topic on which the public conversation is permeated by misleading claims, and thoughts tend to polarize, especially on online social networks. In this work, motivated by…

社会与信息网络 · 计算机科学 2023-02-03 Jonathan Franceschi , Lorenzo Pareschi , Elena Bellodi , Marco Gavanelli , Marco Bresadola

Deterministic dynamics is a mathematical model used to describe the temporal evolution of a system, generally expressed as dx/dt = F(x), where x represents the system's state, and F(x) determines its dynamics. It is employed to understand…

物理与社会 · 物理学 2024-01-04 Yasuko Kawahata

Opinion dynamics, the study of how individual beliefs and collective public opinion evolve, is a fertile domain for applying statistical physics to complex social phenomena. Like physical systems, societies exhibit macroscopic regularities…

This paper examines the interplay of opinion exchange dynamics and communication network formation. An opinion formation procedure is introduced which is based on an abstract representation of opinions as $k$--dimensional bit--strings.…

适应与自组织系统 · 物理学 2014-10-24 S. Banisch , T. Araújo , J. Louçã

Adaptive models of opinion formation among humans can display a fragmentation transition, where a social network breaks into disconnected components. Here, we investigate this transition in a class of models with arbitrary number of…

物理与社会 · 物理学 2012-06-19 Gesa A. Böhme , Thilo Gross

The increasing popularity of online social networks (OSNs) attracted growing interest in modeling social interactions. On online social platforms, a few individuals, commonly referred to as influencers, produce the majority of content…

社会与信息网络 · 计算机科学 2023-07-19 Franco Galante , Luca Vassio , Michele Garetto , Emilio Leonardi

In this paper we consider the modeling of opinion dynamics over time dependent large scale networks. A kinetic description of the agents' distribution over the evolving network is considered which combines an opinion update based on binary…

数值分析 · 数学 2016-04-05 Giacomo Albi , Lorenzo Pareschi , Mattia Zanella

We explore a new mechanism to explain polarization phenomena in opinion dynamics in which agents evaluate alternative views on the basis of the social feedback obtained on expressing them. High support of the favored opinion in the social…

物理与社会 · 物理学 2018-10-22 Sven Banisch , Eckehard Olbrich

Among different aspects of social networks, dynamics have been proposed to simulate how opinions can be transmitted. In this study, we propose a model that simulates the communication in an online social network, in which the posts are…

Opinion formation and propagation are crucial phenomena in social networks and have been extensively studied across several disciplines. Traditionally, theoretical models of opinion dynamics have been proposed to describe the interactions…

社会与信息网络 · 计算机科学 2022-07-11 Maya Okawa , Tomoharu Iwata

Accurately simulating human opinion dynamics is crucial for understanding a variety of societal phenomena, including polarization and the spread of misinformation. However, the agent-based models (ABMs) commonly used for such simulations…

This paper proposes a dynamic epidemic model for successive opinion diffusion in social networks, extending the SHIMR model. It incorporates dynamic decision-making influenced by social distances and captures accumulative opinion diffusion…

社会与信息网络 · 计算机科学 2025-12-01 Bin Han , Fabienne Renckens , C. Clark Cao , Hans D. Schotten

The democratization of AI tools for content generation, combined with unrestricted access to mass media for all (e.g. through microblogging and social media), makes it increasingly hard for people to distinguish fact from fiction. This…

社会与信息网络 · 计算机科学 2019-03-28 Xi Chen , Panayiotis Tsaparas , Jefrey Lijffijt , Tijl De Bie

We introduce and discuss kinetic models of opinion formation on social networks in which the distribution function depends on both the opinion and the connectivity of the agents. The opinion formation model is subsequently coupled with a…

物理与社会 · 物理学 2018-08-22 G. Toscani , A. Tosin , M. Zanella

In human societies opinion formation is mediated by social interactions, consequently taking place on a network of relationships and at the same time influencing the structure of the network and its evolution. To investigate this…

物理与社会 · 物理学 2012-05-22 Gerardo Iñiguez , János Kertész , Kimmo K. Kaski , R. A. Barrio

Opinion formation is one of the most fascinating phenomena observed in human communities, and the ability to predict and to control the dynamics of this process is interesting from the theoretical as well as practical point of view.…

物理与社会 · 物理学 2022-11-23 Krzysztof Domino , Jarosław Adam Miszczak

We study the evolution of opinions on a directed network with community structure. Individuals update their opinions synchronously based on a weighted average of their neighbors' opinions, their own previous opinions, and external media…

概率论 · 数学 2024-01-17 Panagiotis Andreou , Mariana Olvera-Cravioto

With the advent of online networks, societies are substantially more connected with individual members able to easily modify and maintain their own social links. Here, we show that active network maintenance exposes agents to confirmation…

物理与社会 · 物理学 2016-11-23 V. Ngampruetikorn , Greg J Stephens

Opinion polarization is a ubiquitous phenomenon in opinion dynamics. In contrast to the traditional consensus oriented group decision making (GDM) framework, this paper proposes a framework with the co-evolution of both opinions and…

社会与信息网络 · 计算机科学 2017-05-18 Qingxing Dong , Xin Zhou