Complex networks and agent-based models

Centre of Excellence in Computational Complex Systems Research

 

Publications

Here are our latest publications in order of appearance:

2008
  1. A sequential algorithm for fast clique percolation, J.M. Kumpula, M. Kivelä, K. Kaski and J. Saramäki, submitted (2008), arXiv:0805.1449
  2. Detecting modules in dense weighted networks with the Potts method, T. Heimo, J. Kumpula, K. Kaski, and J. Saramäki, submitted (2008), arXiv:0804.3457
  3. A comparative study of stochastic algorithmic models for social networks, R. Toivonen, L. Kovanen, M. Kivelä, J.-P. Onnela, J. Saramäki, and K. Kaski, submitted (2008)
  4. The International Trade Network: Weighted network analysis and modelling, K. Bhattacharya, G. Mukherjee, J. Saramäki, K. Kaski, and S.S. Manna, J. Stat. Mech. P02002 (2008)
  5. Modelling language competition: bilingualism and complex social networks, X. Castelló, V.M. Eguíluz, M. San Miguel, L. Loureiro-Porto, R. Toivonen, J. Saramäki, and K. Kaski, in The evolution of language: Proceedings of the 7th International Conference (EVOLANG7), Barcelona 2008, eds. A.D.M. Smith, K. Smith, R. Ferrer-Cancho. World Scientific Publishing (2008).
2007
  1. Modelling bilingualism in language competition: the effects of complex social structure, X. Castelló, R. Toivonen, V.M. Eguíluz, M. San Miguel, in Proceedings of the 4th Conference on European Social Simulation Association ESSA-07. IRIT Editions (2007)
  2. Spectral methods and cluster structure in correlation-based networks, T. Heimo, G. Tibelý, J. Saramäki, K. Kaski, and J. Kertész, Physica A, in press (2007), arXiv:0708.1862
  3. Efficient data structures for sparse network representation, J. Hyvönen, J. Saramäki, and K. Kaski, Int. J. Comp. Math., in press (2007)
  4. Emergence of communities in weighted networks, J.M. Kumpula, J.-P. Onnela, J. Saramäki, K. Kaski, and J. Kertész, Phys. Rev. Lett. 99, 228701 (2007), arXiv:0708.0925
  5. Limited resolution and multiresolution methods in complex network community detection, Fluct. Noise Lett. 7, L209 (2007)
  6. Anomalous lifetime distributions and topological traps in ordering dynamics, X. Castelló, R. Toivonen, V.M. Eguíluz, J. Saramäki, K. Kaski, and M. San Miguel, Europhysics Letters, in press (2007), arxiv:physics/0705.2560
  7. Analysis of a large-scale weighted network of one-to-one human communication, J.-P. Onnela, J. Saramäki, J. Hyvönen, G. Szabó, M. Argollo de Menezes, K. Kaski, A.-L. Barabási, and J. Kertész, New Journal of Physics 9, 179 (2007), physics/0702158
  8. Emergence of self-sustained patterns in small-world excitable media, S. Sinha, J. Saramäki and K. Kaski, Phys. Rev. E 76, 015101(R) (2007), cond-mat/0701121
  9. Structure and tie strengths in mobile communication networks, J.-P. Onnela, J. Saramäki, J. Hyvönen, G. Szabó, D. Lazer, K. Kaski, J. Kertész, and A.-L. Barabási, Proc. Natl. Acad. Sci. (USA) 104, 7332 (2007), physics/0610104
  10. Limited resolution in complex network community detection with Potts model approach, J.M. Kumpula, J. Saramäki, K. Kaski and J. Kertész, Eur. Phys. J. B 56, 41 (2007), cond-mat/0610370
  11. Spectral and network methods in the analysis of correlation matrices of stock returns, T. Heimo, J. Saramäki, J.-P. Onnela, and K. Kaski, Physica A 383, 147 (2007), physics/0703061
  12. Generalizations of the clustering coefficient to weighted complex networks, J. Saramäki, M. Kivelä, J.-P. Onnela, K. Kaski and J. Kertész, Phys. Rev. E 75, 027105 (2007), cond-mat/0608670
2006
  1. A model for social networks, R. Toivonen, J.-P. Onnela, J. Saramäki, J. Hyvönen, and K. Kaski, Physica A 371, 851 (2006), preprint physics/0601114
  2. Spectrum, intensity and coherence in weighted networks of a financial market, G. Tibély, J.-P. Onnela, J. Saramäki, K. Kaski and J. Kertész, Physica A 370, 145 (2006), physics/0603196
  3. Financial market - a network perspective, J.-P. Onnela, J. Saramäki, K. Kaski and J. Kertész in: H. Takayasu (Ed.), Practical Fruits of Econophysics, Nikkei Econophysics III Proceedings, Springer, Tokyo, 302 (2006)
2005
  1. Characterizing motifs in weighted complex networks, J. Saramäki, J.-P. Onnela, J. Kertész, and K. Kaski in: J.F.F. Mendes et al. (Eds.), Science of Complex Networks, AIP Conference Proceedings 776, 108 (2005), 108
  2. Intensity and coherence of motifs in weighted complex networks, J.-P. Onnela, J. Saramäki, J. Kertész, and K. Kaski, Phys. Rev. E 71, 065103 (2005), cond-mat/0408629
  3. Scale free networks from self-organisation, T. Evans and J. Saramäki, Phys. Rev. E 72, 026138 (2005), cond-mat/0411390
  4. A method for decentralized optimisation in networks, J. Saramäki in: J.F.F. Mendes et al. (Eds.), Science of Complex Networks, AIP Conference Proceedings 776, 215 (2005).
  5. Modeling epidemics with dynamic small-world networks, K. Kaski and J. Saramäki in: J.F.F. Mendes et al. (Eds.), Science of Complex Networks, AIP Conference Proceedings 776, 252 (2005).
  6. Modelling the development of epidemics with dynamic small-world networks, J. Saramäki and K. Kaski, J. Theor. Biol. 234, 413-421 (2005).
  7. Spatial snowdrift game with myopic agents, M. Sysi-Aho, J. Saramäki, J. Kertész, and K. Kaski, Eur. Phys. J. B 44, 129-135 (2005), physics/0411091
  8. Evidence of the invisible hand effect in an evolutionary minority game model, M. Sysi-Aho, J. Saramäki, and K. Kaski, Physica A 347 639-652 (2005), cond-mat/0403499
2004
  1. Scale-free networks generated by random walkers , J. Saramäki and K. Kaski, Physica A 341, 80-86 (2004), cond-mat/0404088
  2. Clustering and information in correlation-based financial networks, J.-P. Onnela, K. Kaski and J. Kertész, Eur. Phys. J. B 38, 353-362 (2004), cond-mat/0312682
  3. Searching for good strategies in adaptive minority games, M. Sysi-Aho, A. Chakraborti, and K. Kaski, Phys. Rev. E 69, 036125 (2004), cond-mat/0305283
  4. Models of asset returns: changes of pattern from high to low event frequency, Quantitative Finance 4:3, 373 (2004)
2003
  1. Dynamics of market correlations: Taxonomy and portfolio analysis, J.-P. Onnela, A. Chakraborti, K. Kaski, J. Kertész, and A. Kanto, Phys. Rev. E 68, 056110 (2003), cond-mat/0302546
  2. Dynamic asset trees and Black Monday, J.-P. Onnela, A. Chakraborti, K. Kaski, and J. Kertész, Physica A 324, 247 (2003)
  3. Asset trees and asset graphs in financial markets, J.-P. Onnela, A. Chakraborti, K. Kaski, J. Kertész, and A. Kanto, Physica Scripta T106, 48 (2003)
  4. Adaptation using hybridized genetic crossover strategies, M. Sysi-Aho, A. Chakraborti and K. Kaski, Physica A 322, 701-709 (2003), cond-mat/0210500
  5. Intelligent Minority Game with genetic crossover strategies, M. Sysi-Aho, A. Chakraborti and K. Kaski, Eur. Phys. J. B 34, 373-377 (2003), cond-mat/0209525

For more, see the COSY publications page.

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