On a question of Mehta and Pauly
classification
🧮 math.AG
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mathcalmehtapaulyquestionanswersarxivbundlecertain
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In this short note we provide explicit examples in characteristic $p$ on certain smooth projective curves where for a given semistable vector bundle $\mathcal{E}$ the length of the Harder-Narasimhan filtration of $F^\ast \mathcal{E}$ is longer than $p$. This answers a question of Mehta and Pauly raised in arXiv:math/0607565.
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