Coherence of local and global hulls
J\'anos Koll\'ar (Princeton Univ)
TL;DR
This paper establishes precise conditions under which the hull of a coherent sheaf remains coherent, advancing the understanding of sheaf theory in algebraic geometry.
Contribution
It provides necessary and sufficient criteria for the coherence of the hull of a coherent sheaf, a fundamental aspect in algebraic geometry.
Findings
Characterization of coherence conditions for sheaf hulls
Necessary and sufficient conditions identified
Enhanced understanding of sheaf hull properties
Abstract
We give necessary and sufficient conditions for the hull of a coherent sheaf to be coherent.
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