Stanley-Reisner环的余切上同调
代数几何
2008-08-07 v3
摘要
单纯复形 X 通过 Stanley-Reisner 构造给出交换环 A(X)。我们用 X 表示了 A(X) 的余切上同调，即 T1 与 T2。这些模提供了关于赋予 X 的代数几何对象的形变理论的信息。
引用
@article{arxiv.math/0006139,
title = {Cotangent cohomology of Stanley-Reisner rings},
author = {Klaus Altmann and Jan Arthur Christophersen},
journal= {arXiv preprint arXiv:math/0006139},
year = {2008}
}
备注
18 pages, LaTeX. This v3 is the final version of the first part of the former v2. To indicate this, we have also changed the title. In the present form, v3 has appeared in manuscripta. The remaining part of the former v2 contains some mistakes in the (last) Section 4.7. A revised version of the second part of v2 will appear as an extra paper