Additive maps preserving the scrambling index are bijective

A. E. Guterman, A. M. Maksaev

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


We prove that additive transformations on matrices over the binary Boolean semiring that preserve the scrambling index are automatically bijective. As a consequence we characterize such maps for matrices over an arbitrary antinegative semiring with identity and without zero-divisors.

Original languageEnglish
Pages (from-to)19-38
Number of pages20
JournalActa Scientiarum Mathematicarum
Issue number1-2
StatePublished - 2018
Externally publishedYes

Bibliographical note

Publisher Copyright:
© Bolyai Institute, University of Szeged.


  • Graphs
  • Scrambling index
  • Semirings


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