Erratum to: Indian J Pure Appl Math https://doi.org/10.1007/s13226-023-00395-1

In this article the following typographical mistakes are corrected:

  1. 1.

    Corollary 1.3 in page 3, line 3 from the bottom “\(A^{-1}\), \((\overline{A} )^{ - 1}\)” should be replaced by “\((A^{ - 1} )^{t} ,\,((\overline{A} )^{ - 1} )^{t}\)”.

  2. 2.

    Corollary 1.4 in page 4, line 6 from the above, “\(A^{-1}\), \((\overline{A} )^{ - 1}\)” should be replaced by “\((A^{ - 1} )^{t} ,\,((\overline{A} )^{ - 1} )^{t}\)”.

  3. 3.

    On page 9, line 12 from the above, “=” at the end of this line shold be replaced with “.”.

  4. 4.

    On page 17, line 11 from the bottom, “Case 2. A is not a...” should be moved to the next line

The original article has been corrected.