Long-Range connections based small-world network and its synchronizability

  • Authors:
  • Liu Jie;Lu Jun-an

  • Affiliations:
  • Wuhan University of Science and Engineering, Wuhan, P.R. China;School of Mathematics and Statistics, Wuhan University, Wuhan, P.R. China

  • Venue:
  • ICNC'05 Proceedings of the First international conference on Advances in Natural Computation - Volume Part I
  • Year:
  • 2005

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Abstract

How crucial is the long-distance connections in small-world networks produced by the semi-random SW strategy? In this paper, we attempted to investigate some related questions by constructing a semi-random small-world network through only randomly adding 'long-range lattice distance connections' to a regular network. The modified network model is compared with the most used NW small-world network. It can be found that, by using the new modified small-worldify algorithm, one can obtain a better clustered small-world network with similar average path length. Further more, we numerically found that, for a dynamical network on typical coupling scheme, the synchronizability of the small-world network formed by our procedure is no better than that of the small-world network formed by NW's algorithm, although the two classes of network constructed at the same constructing prices and having similar average path length. These results further confirmed that, the random coupling in some sense the best candidate for such nonlocal coupling in the semi-random strategy. Main results are confirmed by extensive numerical simulations.