Prism: Structural Symmetry Scanning via Duality-Constrained Laplacian Projection

Collection of recent arXiv papers (May 21, 2026) covering network-structural methods, social-media datasets and modelling, federated moderation, disaster-impact MLLMs, event forecasting benchmarks, and interpretable bio-network analysis. Notable items: Prism (Laplacian/duality defect) for structural-symmetry detection and early financial-stress signals; two large studies/datasets on the MAHA movement on Reddit (19.4M posts) and its network/stance dynamics; DeTox-Fed, a federated GNN framework for toxic-conversation detection in the Fediverse; DisImpact, an MLLM-based multimodal disaster impact