AI in Asset Management: Tools, Applications, and Frontiers This is a chapter on network theory and its applications in finance. The chapter summarizes the basic and advanced concepts applied to financial and portfolio networks and provides practical examples. Below we provide the R programming languagte code for the visualizations. R Code: #colnames(INDU_experimental)<- sapply(strsplit(colnames(INDU_experimental), split='X.', fixed=TRUE), function(x) (x[2])) returns_indu<-IND