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has been cited by the following article:

• TITLE: Group Inverse of 2 × 2 Block Matrices over Minkowski Space M

  AUTHORS: Dandapany Krishnaswamy, Tasaduq Hussain Khan

  KEYWORDS: Block Matrix, Group Inverse, Minkowski Adjoint, Minkowski Space

  JOURNAL NAME: Advances in Linear Algebra & Matrix Theory, Vol.6 No.3, September 30, 2016

  ABSTRACT: Necessary and sufficient conditions for the existence of the group inverse of the block matrix in Minkowski Space are studied, where are both square and . The representation of this group inverse and some related additive results are also given.