Minimal degrees of invariants of (super)groups–a connection to cryptology

František Marko, Alexandr N. Zubkov

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

We investigate questions related to the minimal degree of invariants of finitely generated diagonalizable groups. These questions were raised in connection to security of a public key cryptosystem based on invariants of diagonalizable groups. We derive results for minimal degrees of invariants of finite groups, abelian groups and algebraic groups. For algebraic groups we relate the minimal degree of the group to the minimal degrees of its tori. Finally, we investigate invariants of certain supergroups that are superanalogs of tori. It is interesting to note that a basis of these invariants is not given by monomials.

Original languageEnglish (US)
Pages (from-to)2340-2355
Number of pages16
JournalLinear and Multilinear Algebra
Volume65
Issue number11
DOIs
StatePublished - Nov 2 2017

All Science Journal Classification (ASJC) codes

  • Algebra and Number Theory

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