One-dimensional geometric random graphs with nonvanishing densities II: a very strong zero-one law for connectivity

  • Authors:
  • Guang Han;Armand M. Makowski

  • Affiliations:
  • CTO Innovation Group, Nokia Siemens Networks, Arlington Heights, USA 60004;Department of Electrical and Computer Engineering, and the Institute for Systems Research, University of Maryland, College Park, USA 20742

  • Venue:
  • Queueing Systems: Theory and Applications
  • Year:
  • 2012

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Abstract

We consider a collection of n independent points which are distributed on the unit interval [0,1] according to some probability distribution function F. Two nodes communicate with each other if their distance is less than some given threshold value. When F admits a density f which is strictly positive on [0,1], we give conditions on f under which the property of graph connectivity for the induced geometric random graph obeys a very strong zero---one law when the transmission range is scaled appropriately with n large. The very strong critical threshold is identified. This is done by applying a version of the method of first and second moments.