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Jiemei Zhao Zhonghui Hu Kuize Zhang Changjiang Bu 《Journal of Applied Mathematics and Computing》2012,39(1-2):109-119
Let be a square block matrix over the complex number field, where A is a t-potent matrix. The purpose of this paper is to give some necessary and sufficient conditions for the existence as well as the expressions of the group inverse for the block matrix M under some conditions. 相似文献
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