Simplicity of generic Steiner bundles
نویسنده
چکیده
1 Abstract: A Steiner bundle E on P n has a linear resolution of the form 0 → O(−1) s →O t → E → 0. In this paper we prove that a generic Steiner bundle E is simple if and only if χ(End E) is less or equal to 1. In particular we show that either E is exceptional or it satisfies the inequality t ≤ n+1+ √ (n+1) 2 −4 2 s.
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تاریخ انتشار 2008