10 papers
Social Physics: A manifesto
János Kertész, Marc Barthelemny, Marc Barthelemy +21
Social Physics seeks quantitative, empirically testable explanations of collective human behavior. Its name has a long and contested history, but its contemporary program is neithe…
Contrarian Majority Dynamics: Violation of Detailed Balance and Nonequilibrium Steady States
Serge Galam
I revisit the Galam Majority Model (GMM) with contrarian agents from a statistical-mechanics perspective, revealing three fundamental features. First, in addition to the GMM simult…
Two stroke Pumping Technique for Many-Body Systems
Serge Galam
I introduce a new analytical framework for estimating critical temperatures in interacting many-body systems, focusing on the Ising model. Combining the Bethe cluster setting, the…
Spontaneous Symmetry Breaking, Group Decision Making and Beyond 2. Distorted Polarization and Vulnerability
Serge Galam
This paper extends previous work on echo chambers modeled by an Ising-like system at zero temperature (1. Echo Chambers and random Polarization, Symmetry 2024, 16(12), 1566). There…
Ambiguities, Built-in Biases and Flaws in Big Data Insight Extraction
Serge Galam
I address the challenge of extracting reliable insights from large datasets using a simplified model that illustrates how hierarchical classification can distort outcomes. The mode…
Democratic Thwarting of Majority Rule in opinion dynamics: 1. Unavowed Prejudices versus Contrarians
Serge Galam
I study the conditions under which a democratic dynamics of a public debate drives a Minority-to-Majority transition. A landscape of the opinion dynamics is thus built using the Ga…
Spontaneous Symmetry Breaking, Group Decision Making and Beyond 1. Echo Chambers and Random Polarization
Serge Galam
Starting from a symmetrical multiple choice individual I build a sociophysics model of decision making. Reducing the choices to two and interactions to pairs recover the Ising mode…
Measuring the Subjective Passage of Time
Serge Galam
I address the question of measuring the subjective perception of the passage of time at the individual level in relation to its objective duration using a physicist-type treatment.…
Fake news: No ban, No spread -- with Sequestration
Serge Galam
Fake news is today a major threat to free and democratic making of public opinion. To curb their spread, all efforts by institutions and policy makers rely mainly on imposing restr…
Contrarian Majority rule model with external oscillating propaganda and individual inertias
M. Cecilia Gimenez, Luis Reinaudi, Serge Galam +1
We study the Galam majority rule dynamics with contrarian behavior and an oscillating external propaganda, in a population of agents that can adopt one of two possible opinions. In…