Abstract

We introduce new broadcast and receive communicability indices that can be used as global measures of how effectively information is spread in a directed network. Furthermore, we describe fast and effective criteria for the selection of edges to be added to (or deleted from) a given directed network so as to enhance these network communicability measures. Numerical experiments illustrate the effectiveness of the proposed techniques.

Keywords

  1. network analysis
  2. directed network
  3. hub
  4. authority
  5. edge modification
  6. communicability
  7. matrix function

MSC codes

  1. 05C82
  2. 15A16
  3. 65F60

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Published In

cover image SIAM Journal on Matrix Analysis and Applications
SIAM Journal on Matrix Analysis and Applications
Pages: 443 - 468
ISSN (online): 1095-7162

History

Submitted: 6 August 2015
Accepted: 13 January 2016
Published online: 31 March 2016

Keywords

  1. network analysis
  2. directed network
  3. hub
  4. authority
  5. edge modification
  6. communicability
  7. matrix function

MSC codes

  1. 05C82
  2. 15A16
  3. 65F60

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