增强三角范畴的谷垣对偶 I:重构
K理论与同调
2018-12-31 v1 代数几何
代数拓扑
摘要
我们发展了dg范畴的谷垣对偶理论。对于任意从dg范畴到有限维复形的dg函子,我们通过Hochschild同调构造赋予一个dg余代数。当该dg函子忠实時,这给出了-模与-余模的导出dg范畴之间的拟等价。当是Morita fibrant(即幂等完备预三角范畴)时,它因此拟等价于紧-余模的导出dg范畴。我们给出了针对动机伽罗瓦群的若干应用。
引用
@article{arxiv.1812.10822,
title = {Tannaka duality for enhanced triangulated categories I: reconstruction},
author = {J. P. Pridham},
journal= {arXiv preprint arXiv:1812.10822},
year = {2018}
}
备注
35 pp. This is the 1st half of arXiv:1309.0637v5, which has now been split. To appear in JNCG