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An effective restriction theorem via wal...
Feyzbakhsh, Soheyla...
An effective restriction theorem via wall-crossing and Mercat's conjecture by Feyzbakhsh, Soheyla ( Author )
Australian National University
09-08-2023
We prove an effective restriction theorem for stable vector bundles $E$ on a smooth projective variety: $E|_D$ is (semi)stable for all irreducible divisors $D \in |kH|$ for all $k$ greater than an explicit constant. As an application, we show that Mercat's conjecture in any rank greater than $2$ fails for curves lying on K3 surfaces. Our technique is to use wall-crossing with respect to (weak) Bridgeland stability conditions which we also use to reprove Camere's result on slope stability of the tangent bundle of $\mathbb{P}^n$ restricted to a K3 surface.
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Article
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29.34 KB
English
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MYR 0.01
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http://arxiv.org/abs/1608.07825
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