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DOI: 10.4230/LIPIcs.MFCS.2019.65

Fault Tolerant and Fully Dynamic DFS in Undirected Graphs: Simple Yet Efficient

Authors: Surender Baswana, Shiv Gupta, and Ayush Tulsyan

Published in: LIPIcs, Volume 138, 44th International Symposium on Mathematical Foundations of Computer Science (MFCS 2019)

Abstract

We present an algorithm for a fault tolerant Depth First Search (DFS) Tree in an undirected graph. This algorithm is drastically simpler than the current state-of-the-art algorithms for this problem, uses optimal space and optimal preprocessing time, and still achieves better time complexity. This algorithm also leads to a better time complexity for maintaining a DFS tree in a fully dynamic environment.

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Surender Baswana, Shiv Gupta, and Ayush Tulsyan. Fault Tolerant and Fully Dynamic DFS in Undirected Graphs: Simple Yet Efficient. In 44th International Symposium on Mathematical Foundations of Computer Science (MFCS 2019). Leibniz International Proceedings in Informatics (LIPIcs), Volume 138, pp. 65:1-65:16, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2019)

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@InProceedings{baswana_et_al:LIPIcs.MFCS.2019.65,
  author =	{Baswana, Surender and Gupta, Shiv and Tulsyan, Ayush},
  title =	{{Fault Tolerant and Fully Dynamic DFS in Undirected Graphs: Simple Yet Efficient}},
  booktitle =	{44th International Symposium on Mathematical Foundations of Computer Science (MFCS 2019)},
  pages =	{65:1--65:16},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-117-7},
  ISSN =	{1868-8969},
  year =	{2019},
  volume =	{138},
  editor =	{Rossmanith, Peter and Heggernes, Pinar and Katoen, Joost-Pieter},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.MFCS.2019.65},
  URN =		{urn:nbn:de:0030-drops-110096},
  doi =		{10.4230/LIPIcs.MFCS.2019.65},
  annote =	{Keywords: Depth first search, DFS, Dynamic graph algorithms, Fault tolerant}
}

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Fault Tolerant and Fully Dynamic DFS in Undirected Graphs: Simple Yet Efficient

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