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- Hungarian Academy of SciencesHU52 papers
- Institute for Particle and Nuclear PhysicsHU34 papers
- Columbia UniversityUS31 papers
- Centre National de la Recherche ScientifiqueFR26 papers
- Brookhaven National LaboratoryUS24 papers
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7 papers · 1 filter
Fundamental statistical features and self-similar properties of tagged networks
Gergely Palla, Illes J. Farkas, Peter Pollner +2
We investigate the fundamental statistical features of tagged (or annotated) networks having a rich variety of attributes associated with their nodes. Tags (attributes, annotations…
Centrality properties of directed module members in social networks
Peter Pollner, Gergely Palla, Daniel Abel +4
Several recent studies of complex networks have suggested algorithms for locating network communities, also called modules or clusters, which are mostly defined as groups of nodes…
Evolutionary Prisoner's Dilemma game on the Newman-Watts networks
Jeromos Vukov, György Szabó, Attila Szolnoki
Maintenance of cooperation was studied for a two-strategy evolutionary Prisoner's Dilemma game where the players are located on a one-dimensional chain and their payoff comes from…
Fluctuation scaling in complex systems: Taylor's law and beyond
Zoltan Eisler, Imre Bartos, Janos Kertesz
Complex systems consist of many interacting elements which participate in some dynamical process. The activity of various elements is often different and the fluctuation in the act…
Directed network modules
Gergely Palla, Illes J. Farkas, Peter Pollner +2
A search technique locating network modules, i.e., internally densely connected groups of nodes in directed networks is introduced by extending the Clique Percolation Method origin…
Noise sensitivity of portfolio selection under various risk measures
Imre Kondor, Szilard Pafka, Gabor Nagy
We study the sensitivity to estimation error of portfolios optimized under various risk measures, including variance, absolute deviation, expected shortfall and maximal loss. We in…