关于矩阵子代数与其中心化子维数之和
环与代数
2010-04-07 v2
摘要
设K是一个域,A和B是Mₙ(K)中两个交换的子空间,且每个子空间都包含一个非标量矩阵。我们证明dim A + dim B ≤ (n-1)²+3。同时,我们给出了等式成立时的完整描述。
引用
@article{arxiv.0912.4821,
title = {On the sum of the dimension of a matrix subalgebra and its centralizer},
author = {Clément de Seguins Pazzis},
journal= {arXiv preprint arXiv:0912.4821},
year = {2010}
}
备注
17 pages (withdrawn as it appears there is a much shorter proof available)