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DOI: 10.4230/LIPIcs.ISAAC.2019.5

Two Phase Transitions in Two-Way Bootstrap Percolation

Authors: Ahad N. Zehmakan

Published in: LIPIcs, Volume 149, 30th International Symposium on Algorithms and Computation (ISAAC 2019)

Abstract

Consider a graph G and an initial random configuration, where each node is black with probability p and white otherwise, independently. In discrete-time rounds, each node becomes black if it has at least r black neighbors and white otherwise. We prove that this basic process exhibits a threshold behavior with two phase transitions when the underlying graph is a d-dimensional torus and identify the threshold values.

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Ahad N. Zehmakan. Two Phase Transitions in Two-Way Bootstrap Percolation. In 30th International Symposium on Algorithms and Computation (ISAAC 2019). Leibniz International Proceedings in Informatics (LIPIcs), Volume 149, pp. 5:1-5:21, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2019)

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@InProceedings{zehmakan:LIPIcs.ISAAC.2019.5,
  author =	{Zehmakan, Ahad N.},
  title =	{{Two Phase Transitions in Two-Way Bootstrap Percolation}},
  booktitle =	{30th International Symposium on Algorithms and Computation (ISAAC 2019)},
  pages =	{5:1--5:21},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-130-6},
  ISSN =	{1868-8969},
  year =	{2019},
  volume =	{149},
  editor =	{Lu, Pinyan and Zhang, Guochuan},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/LIPIcs.ISAAC.2019.5},
  URN =		{urn:nbn:de:0030-drops-115017},
  doi =		{10.4230/LIPIcs.ISAAC.2019.5},
  annote =	{Keywords: bootstrap percolation, cellular automata, phase transition, d-dimensional torus, r-threshold model, biased majority}
}

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Two Phase Transitions in Two-Way Bootstrap Percolation

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