Real fibered morphisms and Ulrich sheaves

M Kummer, E Shamovich - arXiv preprint arXiv:1507.06760, 2015 - arxiv.org
In this paper we define and study real fibered morphisms. Such morphisms arise in the study
of real hyperbolic hypersurfaces in projective space and other hyperbolic varieties. We show …

Vector bundles whose restriction to a linear section is Ulrich

RS Kulkarni, Y Mustopa, I Shipman - Mathematische Zeitschrift, 2017 - Springer
An Ulrich sheaf on an n-dimensional projective variety X ⊆ P^ NX⊆ PN is an initialized
ACM sheaf which has the maximum possible number of global sections. Using a …