Big data 2 Random matrices 2 Smart power grids 2 Functions, Zeta 1 Graph theory 1 Lie groups 1 Linear and multilinear algebra; matrix theory -- Special matrices -- Random matrices 1 Linear and multilinear algebra; matrix theory -- Special matrices -- Sign pattern matrices 1 Mathematics 1 Matrix analytic methods 1 Probability theory and stochastic processes -- Probability theory on algebraic and topological structures -- Random matrices (probabilistic aspects; for algebraic aspects see 15B52) 1 Random Matrices 1 Wireless communication systems 1