409 citations · 475 across the 12 of their papers we have counts for
9 papers · 1 filter
Structural Balance and Interpersonal Appraisals Dynamics: Beyond All-to-All and Two-Faction Networks
Wenjun Mei, Ge Chen, Noah E. Friedkin +1
Structural balance theory describes stable configurations of topologies of signed interpersonal appraisal networks. Existing models explaining the convergence of appraisal networks…
Expertise and confidence explain how social influence evolves along intellective tasks
Omid Askarisichani, Elizabeth Y. Huang, Abed K. Musaffar +3
Discovering the antecedents of individuals' influence in collaborative environments is an important, practical, and challenging problem. In this paper, we study interpersonal influ…
The 1995-2018 Global Evolution of the Network of Amicable and Hostile Relations Among Nation-States
Omid Askarisichania, Ambuj K. Singh, Francesco Bullo +1
We draw on the data collected by the Integrated Crisis Early Warning System on millions of international and regional public news stories, and this system's indicators of the orien…
Multi-group connectivity structures and their implications
Shadi Mohagheghi, Pushkarini Agharkar, Noah E. Friedkin +1
We investigate the implications of different forms of multi-group connectivity. Four multi-group connectivity modalities are considered: co-memberships, edge bundles, bridges, and…
Dynamic Social Balance and Convergent Appraisals via Homophily and Influence Mechanisms
Wenjun Mei, Pedro Cisneros-Velarde, Ge Chen +2
Social balance theory describes allowable and forbidden configurations of the topologies of signed directed social appraisal networks. In this paper, we propose two discrete-time d…
Dynamic Models of Appraisal Networks Explaining Collective Learning
Wenjun Mei, Noah E. Friedkin, Kyle Lewis +1
This paper proposes models of learning process in teams of individuals who collectively execute a sequence of tasks and whose actions are determined by individual skill levels and…
Two Steps to Obfuscation
Noah E. Friedkin, Eugene C. Johnsen
This note addresses the historical antecedents of the 1998 PageRank measure of centrality. An identity relation links it to 1990-1991 models of Friedkin and Johnsen.
Generalization of the PageRank Model
Noah E. Friedkin
This paper develops a generalization of the PageRank model of page centralities in the global webgraph of hyperlinks. The webgraph of adjacencies is generalized to a valued directe…
Scale-free interpersonal influences on opinions in complex systems
Noah E. Friedkin
An important side effect of the evolution of the human brain is an increased capacity to form opinions in a very large domain of issues, which become points of aggressive interpers…