Characteristic and IA-Invariant Radicals

Mohammad Samadi, Mohammad Shahryari*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


In this article, we study systems of coefficient-free equations over special classes of groups, their radicals in which are characteristic or IA-invariant subgroups of the free group.

Original languageEnglish
Pages (from-to)341-349
Number of pages9
JournalBulletin of the Iranian Mathematical Society
Issue number2
Publication statusPublished - Apr 2021


  • 20E05
  • 20E10
  • 20F70
  • Algebraic geometry over groups
  • Characteristic subgroups of the free group
  • IA-invariant subgroups
  • Radicals
  • Systems of group equations

ASJC Scopus subject areas

  • General Mathematics


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