A criterion for left-orthogonality of an effective divisor on a surface
classification
🧮 math.AG
keywords
criteriondivisoreffectiveexceptionalleft-orthogonalmathcalsurfacebundles
read the original abstract
We find a criterion for an effective divisor $D$ on a smooth surface to be left-orthogonal or strongly left-orthogonal (i.e. for the pair of line bundles $(\mathcal O,\mathcal O(D))$ to be exceptional or strong exceptional).
This paper has not been read by Pith yet.
discussion (0)
Sign in with ORCID, Apple, or X to comment. Anyone can read and Pith papers without signing in.