16,051 formulas for Ottaviani's invariant of cubic threefolds

A. Abdesselam, C. Ikenmeyer, Gordon Royle

    Research output: Contribution to journalArticlepeer-review

    4 Citations (Scopus)


    © 2015. We provide explicit combinatorial formulas for Ottaviani's degree 15 invariant which detects cubics in 5 variables that are sums of 7 cubes. Our approach is based on the chromatic properties of certain graphs and relies on computer searches and calculations.
    Original languageEnglish
    Pages (from-to)649-663
    Number of pages15
    JournalJournal of Algebra
    Early online date27 Nov 2015
    Publication statusPublished - 1 Feb 2016


    Dive into the research topics of '16,051 formulas for Ottaviani's invariant of cubic threefolds'. Together they form a unique fingerprint.

    Cite this