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Reliable Spanners for Metric Spaces

Authors Sariel Har-Peled , Manor Mendel , Dániel Oláh

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Author Details

Sariel Har-Peled
  • Department of Computer Science, University of Illinois, Urbana, IL USA
Manor Mendel
  • Department of Mathematics and Computer Science, The Open University of Israel, Raanana, Israel
Dániel Oláh
  • Department of Mathematics and Computing Science, TU Eindhoven, The Netherlands

Funding

  • Har-Peled, Sariel: Work on this paper was partially supported by a NSF AF award CCF-1907400.
  • Mendel, Manor: Supported by BSF Grant no. 2018223.
  • Oláh, Dániel: Supported by the Netherlands Organisation for Scientific Research (NWO) through Gravitation-grant NETWORKS-024.002.003.

Acknowledgements

The authors thank Kevin Buchin for useful discussions and references.

Cite AsGet BibTex

Sariel Har-Peled, Manor Mendel, and Dániel Oláh. Reliable Spanners for Metric Spaces. In 37th International Symposium on Computational Geometry (SoCG 2021). Leibniz International Proceedings in Informatics (LIPIcs), Volume 189, pp. 43:1-43:13, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2021)
https://doi.org/10.4230/LIPIcs.SoCG.2021.43

Abstract

A spanner is reliable if it can withstand large, catastrophic failures in the network. More precisely, any failure of some nodes can only cause a small damage in the remaining graph in terms of the dilation, that is, the spanner property is maintained for almost all nodes in the residual graph. Constructions of reliable spanners of near linear size are known in the low-dimensional Euclidean settings. Here, we present new constructions of reliable spanners for planar graphs, trees and (general) metric spaces.

Subject Classification

ACM Subject Classification
  • Theory of computation → Computational geometry
Keywords
  • Spanners
  • reliability

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References

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