An invalid derivation in the paper "Inequalities for ranks of matrix expressions involving generalized inverses"
Yongge Tian, Central University of Finance and Economics
19 November 2014
The author abused rank formulas in the derivation of (14), and results following it are totally unacceptable. Correct formulas can be established by a different approach.
An invalid derivation in the paper "Inequalities for ranks of matrix expressions involving generalized inverses"
19 November 2014
The author abused rank formulas in the derivation of (14), and results following it are totally unacceptable. Correct formulas can be established by a different approach.
Competing interests
None declared