Synchronization of an ensemble of oscillators is an emergent phenomenon present in
several complex systems, ranging from social and physical to biological and technological …

Managing ecosystems to provide ecosystem services in the face of global change is a
pressing challenge for policy and science. Predicting how alternative management actions …

We extend the concept of eigenvector centrality to multiplex networks, and introduce several
alternative parameters that quantify the importance of nodes in a multi-layered networked …

Random matrix theory (RMT) and network methods are applied to investigate the correlation
and network properties of 20 financial indices. The results are compared before and during …

We examine node centrality measures based on the notion of total communicability, defined
in terms of the row sums of matrix functions of the adjacency matrix of the network. Our main …

Many natural and technological applications generate time-ordered sequences of networks,
defined over a fixed set of nodes; for example, time-stamped information about “who phoned …

Despite degree distributions give some insights about how heterogeneous a network is, they
fail in giving a unique quantitative characterization of network heterogeneity. This is …

The notions of subgraph centrality and communicability, based on the exponential of the
adjacency matrix of the underlying graph, have been effectively used in the analysis of …

Abstract Intrusion Detection Systems (IDS) are fundamental tools in cybersecurity
environments. In this paper, we present a new methodology for the creation of intrusion …

In this paper we explore how the von Neumann entropy can be used as a measure of graph
complexity. We also develop a simplified form for the von Neumann entropy of a graph that …