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- Ruhr University BochumDE23 papers
- Novo Nordisk (Denmark)DK10 papers
- Sungkyunkwan UniversityKR10 papers
- KTH Royal Institute of TechnologySE9 papers
- Rutherford Appleton LaboratoryGB9 papers
- Centre National de la Recherche ScientifiqueFR5 papers
- Instituto Superior TécnicoPT5 papers
- Ajou UniversityKR4 papers
- B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of UkraineUA4 papers
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12 papers · 1 filter
Modeling scientific-citation patterns and other triangle-rich acyclic networks
Zhi-Xi Wu, Petter Holme
We propose a model of the evolution of the networks of scientific citations. The model takes an out-degree distribution (distribution of number of citations) and two parameters as…
Diversity of reproduction time scale promotes cooperation in spatial prisoner's dilemma games
Zhi-Xi Wu, Zhihai Rong, Petter Holme
We study an evolutionary spatial prisoner's dilemma game where the fitness of the players is determined by both the payoffs from the current interaction and their history. We consi…
Three faces of metabolites: Pathways, localizations and network positions
Jing Zhao, Petter Holme
To understand the system-wide organization of metabolism, different lines of study have devised different categorizations of metabolites. The relationship and difference between ca…
Effects of strategy-migration direction and noise in the evolutionary spatial prisoner's dilemma
Zhi-Xi Wu, Petter Holme
Spatial games are crucial for understanding patterns of cooperation in nature (and to some extent society). They are known to be more sensitive to local symmetries than e.g. spin m…
Size dependent word frequencies and translational invariance of books
Sebastian Bernhardsson, Luis Enrique Correa da Rocha, Petter Minnhagen
It is shown that a real novel shares many characteristic features with a null model in which the words are randomly distributed throughout the text. Such a common feature is a cert…
Multiscaling in the YX model of networks
Petter Holme, Zhi-Xi Wu, Petter Minnhagen
We investigate a Hamiltonian model of networks. The model is a mirror formulation of the XY model (hence the name) -- instead letting the XY spins vary, keeping the coupling topolo…