Geodesic
On the dimension of the variety of symmetric matrices with multiple eigenvalues
Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 44 (2004) no. 6, pp. 963-967 
Kh. D. Ikramov. On the dimension of the variety of symmetric matrices with multiple eigenvalues. Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 44 (2004) no. 6, pp. 963-967. http://geodesic.mathdoc.fr/item/ZVMMF_2004_44_6_a0/
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Voir la notice de l'article provenant de la source Math-Net.Ru

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[3] Parlett B. N., “The (matrix) discriminant as a determinant”, Linear Algebra Appl., 355 (2002), 85–101 | DOI | MR | Zbl