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Improvement of the robustness on geographical networks by adding shortcuts

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  • Hayashi, Yukio
  • Matsukubo, Jun

Abstract

In a topological structure affected by geographical constraints on liking, the connectivity is weakened by constructing local stubs with small cycles, a something of randomness to bridge them is crucial for the robust network design. In this paper, we numerically investigate the effects of adding shortcuts on the robustness in geographical scale-free network models under a similar degree distribution to the original one. We show that a small fraction of shortcuts is highly contribute to improve the tolerance of connectivity especially for the intentional attacks on hubs. The improvement is equivalent to the effect by fully rewirings without geographical constraints on linking. Even in the realistic Internet topologies, these effects are virtually examined.

Suggested Citation

  • Hayashi, Yukio & Matsukubo, Jun, 2007. "Improvement of the robustness on geographical networks by adding shortcuts," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 380(C), pages 552-562.
    • Handle: RePEc:eee:phsmap:v:380:y:2007:i:c:p:552-562
    DOI: 10.1016/j.physa.2007.02.080
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