Photo by rgaleriacom from unsplash
Abstract We show that there exists a cubic threefold defined by an invertible polynomial that, when quotiented by the maximal diagonal symmetry group, has a derived category that does not… Click to show full abstract
Abstract We show that there exists a cubic threefold defined by an invertible polynomial that, when quotiented by the maximal diagonal symmetry group, has a derived category that does not have a full exceptional collection consisting of line bundles. This provides a counterexample to a conjecture of Lekili and Ueda.
Keywords:
line bundles;
full exceptional;
cubic threefold;
exceptional collection
Journal Title: Forum of Mathematics, Sigma
Year Published: 2020
Link to full text (if available)
Share on Social Media: Sign Up to like & get
recommendations!
Journal Title: Forum of Mathematics, Sigma
Year Published: 2020
Link to full text (if available)
Share on Social Media: Sign Up to like & get
recommendations!