中文

通用形变环与特殊线性群的逆问题

表示论 2014-01-21 v2 群论 数论 环与代数

摘要

我们证明了每个具有剩余域 kk 的完备 Noether 局部交换环 RR 均可实现为某个 profinite 群连续线性表示的通用形变环。更具体地,只要 n4n \ge 4RR 即为 SLn(R)SL_n(R)SLn(k)SL_n(k) 中自然表示的通用形变环。我们还检验了在 n=2n=2n=3n=3 的情形下,类似结果对哪些 RR 成立。

关键词

引用

@article{arxiv.1308.1346,
  title  = {The inverse problem for universal deformation rings and the special linear group},
  author = {Krzysztof Dorobisz},
  journal= {arXiv preprint arXiv:1308.1346},
  year   = {2014}
}

备注

Paper structured in a new way, results unchanged. Improved exposition, some proofs altered, additional remarks added. Last section made more precise. Similar results have been independently obtained by Eardley and Manoharmayum in their ArXiv:1307.8356 preprint