In a landscape composed of randomly distributed sites in Euclidean space, a walker ("tourist") goes to the nearest one that has not been visited in the last steps. This procedure leads to trajectories composed of a transient part and a final cyclic attractor of period The tourist walk presents a...

Financial networks' study and understanding has become extremely important since the global financial meltdown in 2007-2009 when the inter-connectedness of institutions has surfaced as one of the major culprits for the magnitude of the distress. This paper aims at providing a new approach, based...