activity
20242026
collaborators

5 papers

cs.CY2026

Online Safety Regulation Increases Privacy Risk: Evidence from the UK Online Safety Act

Dhyey Mehta, Eldar Jalilzade, Maksim Kalameyets +5

Governments worldwide are increasingly regulating digital platforms to reduce online harms, particularly those affecting children. However, access restrictions can alter user behav…

physics.soc-ph2026

Evolutionary Dynamics of Reputation-Based Voluntary Prisoner's Dilemma Games

Chen Shen, Zhao Song, Xinyu Wang +4

Cooperation underlies many natural and artificial systems. While voluntary participation can sustain cooperation without informational assumptions, real interactions are rarely ano…

cs.HC2025

Overcoming the Machine Penalty with Imperfectly Fair AI Agents

Zhen Wang, Ruiqi Song, Chen Shen +7

Despite rapid technological progress, effective human-machine cooperation remains a significant challenge. Humans tend to cooperate less with machines than with fellow humans, a ph…

physics.soc-ph2024

Mutation mitigates finite-size effects in spatial evolutionary games

Chen Shen, Zhixue He, Lei Shi +1

Agent-based simulations are essential for studying cooperation on spatial networks. However, finite-size effects -- random fluctuations due to limited network sizes -- can cause ce…

physics.soc-ph2024

Constructive agents nullify the ability of destructive agents to foster cooperation in public goods games

Yuting Dong, Zhixue He, Chen Shen +2

Existing studies have revealed a paradoxical phenomenon in public goods games, wherein destructive agents, harming both cooperators and defectors, can unexpectedly bolster cooperat…