Geodesic
A spectral problem with an indefinite weight for an elliptic system
Electronic Journal of Differential Equations, Tome 1997 (1997).

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

Summary: We establish the completeness and the summability in the sense of Abel-Lidskij of the root vectors of a non-selfadjoint elliptic problem with an indefinite weight matrix and the angular distribution of its eigenvalues.
Classification : 35P99, 35J55, 58G25
Keywords: indefinite weight, completeness, summability, root vectors 
@article{EJDE_1997__1997__a28,
     author = {Sango, Mamadou},
     title = {A spectral problem with an indefinite weight for an elliptic system},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {1997},
     year = {1997},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_1997__1997__a28/}
}
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Sango, Mamadou. A spectral problem with an indefinite weight for an elliptic system. Electronic Journal of Differential Equations, Tome 1997 (1997). http://geodesic.mathdoc.fr/item/EJDE_1997__1997__a28/