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cs.SI2025
The Impact of External Sources on the Friedkin-Johnsen Model
Charlotte Out, Sijing Tu, Stefan Neumann +1
To obtain a foundational understanding of timeline algorithms and viral content in shaping public opinions, computer scientists started to study augmented versions of opinion forma…
cs.SI2024
Sublinear-Time Opinion Estimation in the Friedkin--Johnsen Model
Stefan Neumann, Yinhao Dong, Pan Peng
Online social networks are ubiquitous parts of modern societies and the discussions that take place in these networks impact people's opinions on diverse topics, such as politics o…
cs.SI2024
Modeling the Impact of Timeline Algorithms on Opinion Dynamics Using Low-rank Updates
Tianyi Zhou, Stefan Neumann, Kiran Garimella +1
Timeline algorithms are key parts of online social networks, but during recent years they have been blamed for increasing polarization and disagreement in our society. Opinion-dyna…