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arXiv 2608.11796math.AG

有理曲面上幻影的回声

Echoes of phantoms on rational surfaces

Shihao Ma, Yirui Xiong, Song Yang

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中文总结 AI 辅助

本文在复射影平面10个一般位置点爆破得到的光滑有理曲面上,构造了首个可数无限族不等价的新通用幻影范畴,证明其为非满例外线丛集合的正交补,且所有该类范畴都容许有界t-结构。

中文摘要 AI 辅助

我们在光滑有理曲面——复射影平面在一般位置的10个点处的爆破上,构造了首个可数无限族的新通用幻影范畴。这些幻影范畴两两不等价,且不等价于此前已知的任何光滑有理曲面上的幻影范畴,它们作为具有最大长度的非满例外线丛集合的正交补出现。作为应用,我们证明所有这些幻影范畴都容许有界t-结构。

英文摘要

We construct the first countably infinite family of new universal phantom categories on a smooth rational surface, namely the blow-up of the complex projective plane at ten points in general position. Moreover, these phantom categories are pairwise non-equivalent, are not equivalent to any previously known phantom category on a smooth rational surface, and arise as the orthogonal complements of non-full exceptional collections of line bundles of maximal length. As an application, we show that all of these phantom categories admit bounded $t$-structures.

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