A counterexample to Merikoski-Kumar conjecture on the product of normal matrices.
Tam, Tin-Yau
Applied Mathematics E-Notes [electronic only], Tome 5 (2005), p. 147-149 / Harvested from The Electronic Library of Mathematics
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Publié le : 2005-01-01
EUDML-ID : urn:eudml:doc:52177 
@article{02157489,
     title = {A counterexample to Merikoski-Kumar conjecture on the product of normal matrices.},
     journal = {Applied Mathematics E-Notes [electronic only]},
     volume = {5},
     year = {2005},
     pages = {147-149},
     zbl = {1083.15028},
     language = {en},
     url = {http://dml.mathdoc.fr/item/02157489}
}

Tam, Tin-Yau. A counterexample to Merikoski-Kumar conjecture on the product of normal matrices.. Applied Mathematics E-Notes [electronic only], Tome 5 (2005) pp. 147-149. http://gdmltest.u-ga.fr/item/02157489/