Geodesic
Equivalence and congruence of matrices under the action of standard parabolic subgroups
The electronic journal of linear algebra, Tome 16 (2007), pp. 325-333.

Voir la notice de l'article provenant de la source Electronic Library of Mathematics

Summary: Necessary and sufficient conditions for the equivalence and congruence of matrices under the action of standard parabolic subgroups are discussed.
Classification : 15A21
Keywords: equivalence, congruence, parabolic subgroup 
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     author = {Szechtman, Fernando},
     title = {Equivalence and congruence of matrices under the action of standard parabolic subgroups},
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     year = {2007},
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     url = {http://geodesic.mathdoc.fr/item/ELA_2007__16__a10/}
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Szechtman, Fernando. Equivalence and congruence of matrices under the action of standard parabolic subgroups. The electronic journal of linear algebra, Tome 16 (2007), pp. 325-333. http://geodesic.mathdoc.fr/item/ELA_2007__16__a10/