W. Nahm

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math.AG2026

Positivity of vector bundles and Dominance

Laytimi Fatima, Werner Nahm

Let $E$ be a vector bundle and $S_{a}$ , $S_{b}$ the Schur functors associated to partitions $a$ and $b$ . Previously we have shown that ampleness of $S_{a} E$ implies ampleness of $S_{b} E$ w…

math.AG2024

Anti-ample bundle, nef vector bundle, big vector bundle

Indranil Biswas, Fatima Laytimi, D. S. Nagaraj +1

We prove that the direct image of an anti-ample vector bundle is anti-ample under any finite flat morphism of non-singular projective varieties. In the second part we prove some pr…