Semigroups of sl3(C) tensor product invariants

Christopher Manon, Zhengyuan Zhou

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


We find presentations for a family of semigroup algebras related to the problem of decomposing sl3(C) tensor products. Along the way we find new toric degenerations of the Grassmannian variety Gr3(Cn) which are T-invariant for T⊂GLn(C) the diagonal torus.

Original languageEnglish
Pages (from-to)94-104
Number of pages11
JournalJournal of Algebra
StatePublished - Feb 15 2014


  • Affine semigroups
  • Combinatorial representation theory
  • Tensor product invariants

ASJC Scopus subject areas

  • Algebra and Number Theory


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