87 citations · 233 across the 36 of their papers we have counts for
5 papers · 1 filter
Extended Persistent Homology Distinguishes Simple and Complex Contagions with High Accuracy
Vahid Shamsaddini, M. Amin Rahimian
The social contagion literature makes a distinction between simple (independent cascade or bond percolation processes that pass infections through edges) and complex contagions (bo…
Structural Dynamics of Harmful Content Dissemination on WhatsApp
Yuxin Liu, M. Amin Rahimian, Kiran Garimella
WhatsApp, a platform with more than two billion global users, plays a crucial role in digital communication, but also serves as a vector for harmful content such as misinformation,…
Conformal-DP: A Density-Aware Mechanism for Differential Privacy over Riemannian Manifolds via Conformal Transformation
Peilin He, Liou Tang, M. Amin Rahimian +1
Differential Privacy (DP) is being increasingly adopted for non-Euclidean data that lie on complex, high-dimensional manifolds. Existing DP mechanisms for manifold data consider ge…
Privacy-Aware Sequential Learning
Yuxin Liu, M. Amin Rahimian
Sequential learning often relies on individuals reporting private information, with early reports shaping later beliefs and collective decisions. When such reports are sensitive, p…
Democratic Resilience and Sociotechnical Shocks
M. Amin Rahimian, Michael P. Colaresi
We focus on the potential fragility of democratic elections given modern information-communication technologies (ICT) in the Web 2.0 era. Our work provides an explanation for the c…