Geodesic
On Sums ofk-EP Matrices
Bulletin of the Malaysian Mathematical Society, Tome 22 (1999) no. 2 
A.R. Meenakshi; S. Krishnamoorthy. On Sums ofk-EP Matrices. Bulletin of the Malaysian Mathematical Society, Tome 22 (1999) no. 2. http://geodesic.mathdoc.fr/item/BMMS_1999_22_2_a1/
@article{BMMS_1999_22_2_a1,
     author = {A.R. Meenakshi and S. Krishnamoorthy},
     title = {On {Sums} {ofk-EP} {Matrices}},
     journal = {Bulletin of the Malaysian Mathematical Society},
     year = {1999},
     volume = {22},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/BMMS_1999_22_2_a1/}
}
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IS  - 2
UR  - http://geodesic.mathdoc.fr/item/BMMS_1999_22_2_a1/
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Voir la notice de l'article provenant de la source BMMS

Necessary and Sufficient conditions for the sums of k -EP matrices to be k -EP are discussed. As an application it is shown that sum and parallel sum of parallel summable k -EP matrices are k -EP.