arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1612.02415math.AG
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循环、导出范畴与合理性

Cycles, derived categories, and rationality

Asher Auel, Marcello Bernardara

摘要:

我们的主要目标是从非分歧上同调和0-圈以及导出范畴和半正交分解的角度,以及这些观点如何相互交织和相互反映的角度,给出(稳定)合理性问题的最新发展。特别是,在代数曲面的情况下,我们解释之间的关系布洛赫猜想,周理论分解的对角线,范畴表示,并存在幻影子范畴的导出范畴。

英文摘要:

Our main goal is to give a sense of recent developments in the (stable) rationality problem from the point of view of unramified cohomology and 0-cycles as well as derived categories and semiorthogonal decompositions, and how these perspectives intertwine and reflect each other. In particular, in the case of algebraic surfaces, we explain the relationship between Bloch's conjecture, Chow-theoretic decompositions of the diagonal, categorical representability, and the existence of phantom subcategories of the derived category.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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