The strongly robust simplicial complex of monomial curves

Dimitra Kosta, Apostolos Thoma, Marius Vladoiu

Research output: Working paperPreprint

Abstract / Description of output

To every simple toric ideal $I_T$ one can associate the strongly robust simplicial complex $\Delta _T$, which determines the strongly robust property for all ideals that have $I_T$ as their bouquet ideal. We show that for the simple toric ideals of monomial curves in $\mathbb{A}^{s}$, the strongly robust simplicial complex $\Delta _T$ is either $\{\emptyset \}$ or contains exactly one 0-dimensional face. In the case of monomial curves in $\mathbb{A}^{3}$, the strongly robust simplicial complex $\Delta _T$ contains one 0-dimensional face if and only if the toric ideal $I_T$ is a complete intersection ideal with exactly two Betti degrees. Finally, we provide a construction to produce infinitely many strongly robust ideals with bouquet ideal the ideal of a monomial curve and show that they are all produced this way.
Original languageEnglish
PublisherArXiv
Publication statusPublished - 19 May 2023

Keywords / Materials (for Non-textual outputs)

  • math.AC
  • math.AG
  • math.CO
  • 13F65, 13P10, 14M25, 05C90, 62R01

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