collaborators

9 papers

eess.SY2026

On personal recommendations in social networks

Philipp Grünter, Karl Henrik Johansson, Angela Fontan

Social networks in which algorithms actively influence humans through personal recommendations are ubiquitous. While opinion dynamics is an established tool to analyze these system…

physics.soc-ph2026

On Leadership Emergence in Opinion Dynamics on Social Networks

Martina Alutto, Lorenzo Zino, Karl H. Johansson +1

Leadership in social groups emerges dynamically through interaction and opinion exchange. Empirical evidence indicates that individuals expressing strong opinions tend to gain infl…

eess.SY2026

Generalizability of Learning-based Occupancy Detection in Residential Buildings (extended version)

Mahsa Farjadnia, Katayoun Eshkofti, Albin Apell +4

This paper investigates non-intrusive occupancy detection methods for residential buildings using environmental sensor data from the KTH Live-In Lab in Stockholm, Sweden. Three mac…

cs.SI2026

Impact of Attitude and Bounded Rationality on Collective Behavioral Transitions

Chen Song, Vladimir Cvetkovic, Angela Fontan +2

The theory of planned behavior (TPB) is one of the most influential frameworks in social psychology, stating that a person's behavior is driven by intention, which is primarily sha…

math.OC2026

Affine-coupled Distributed Optimization via Distributed Proximal Jacobian ADMM with Quantized Communication

Xu Du, Boyu Han, Ivano Notarnicola +2

This paper investigates distributed resource allocation optimization over directed graphs with limited communication bandwidth. We develop a novel distributed algorithm that integr…

eess.SY2026

Flexible Electric Vehicle Charging with Karma

Ezzat Elokda, Ruiting Wang, Karl H. Johansson +1

Motivated by the need to develop fair and efficient schemes to facilitate the electrification of transport, this paper proposes a non-monetary karma economy for flexible Electric V…

physics.soc-ph2026

On a Co-evolving Opinion-Leadership Model in Social Networks

Martina Alutto, Lorenzo Zino, Karl H. Johansson +1

Leadership in social groups is often a dynamic characteristic that emerges from interactions and opinion exchange. Empirical evidence suggests that individuals with strong opinions…

eess.SY2026

On a Coupled Adoption-Opinion Framework for Competing Innovations

Martina Alutto, Fabrizio Dabbene, Angela Fontan +2

In this paper, we propose a two-layer adoption-opinion model to study the diffusion of two competing technologies within a population whose opinions evolve under social influence a…

eess.SY2025

Dynamical models for distributed social power perception in Friedkin-Johnsen influence networks

Ye Tian, Angela Fontan, Yu Kawano +3

Social power quantifies the ability of individuals to influence others and plays a central role in social influence networks. Yet, computing social power typically requires global…