摘要
Moore-Penrose Inverses and Group Inverses of Block k-Circulant MatricesMoore-PenroseInversesandGroupInversesofBlockk-Circulan...
The Moore-Penrose inverse of a block k-circulant matrix whose blocks are arbitrary matrices are obtained when k has unit modulus. In the meantime. explicit formulae for finding group inverses of certain specified k-circulant matrices are also given.