Geodesic
Deficiency indices of a differential operator satisfying certain matching interface conditions
Electronic Journal of Differential Equations, Tome 2005 (2005).

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

Summary: A pair of differential operators with matching interface conditions appears in many physical applications such as: oceanography, the study of step index fiber in optical fiber communication, and one dimensional scattering in quantum theory. Here we initiate the study the deficiency index theory of such operators which precedes the study of the spectral theory.
Classification : 34B10
Keywords: ordinary differential operators, Green's formula, deficiency index, formal selfadjoint boundary-value problems, boundary form, deficiency space 
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     author = {Baruah, Pallav Kumar and Venkatesulu, M.},
     title = {Deficiency indices of a differential operator satisfying certain matching interface conditions},
     journal = {Electronic Journal of Differential Equations},
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     year = {2005},
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     url = {http://geodesic.mathdoc.fr/item/EJDE_2005__2005__a174/}
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Baruah, Pallav Kumar; Venkatesulu, M. Deficiency indices of a differential operator satisfying certain matching interface conditions. Electronic Journal of Differential Equations, Tome 2005 (2005). http://geodesic.mathdoc.fr/item/EJDE_2005__2005__a174/