From the 1 of 3 linked papers with an AI index.
3 papers
Graph Regularized PCA
Antonio Briola, Marwin Schmidt, Fabio Caccioli +4
The paper introduces Graph Regularized PCA (GR‑PCA), a PCA variant that learns a sparse precision graph and regularizes loadings toward low‑frequency graph Laplacian modes to prese…
Peer influence breaks ergodicity in an opinion dynamics model with external information
Federica De Domenico, Fabio Caccioli, Giacomo Livan
We present a stochastic imitation-based model of opinion dynamics in which agents balance social conformity with responsiveness to an external signal. The model captures how popula…
Correlation between upstreamness and downstreamness in random global value chains
Silvia Bartolucci, Fabio Caccioli, Francesco Caravelli +1
This paper is concerned with upstreamness and downstreamness of industries and countries. Upstreamness and downstreamness measure respectively the average distance of an industrial…