Eigenfunction expansions associated with second-order differential equations. Parte 2 / Edward Charles Titchmarsh (1958)
Eigenfunction expansions associated with second-order differential equations. Parte 2 [texte imprimé] / Edward Charles Titchmarsh, Auteur . - Oxford : Clarendon press, 1958 . - XI, 404 p. ; 24 cm.
Bibliogr. p. [385]-404
Langues : Anglais (eng)
Mots-clés : Équations différentielles
Séries infinies
Analyse harmonique (mathématiques)
Problèmes aux limitesIndex. décimale : 517.5 Théorie des fonctions Note de contenu : Summary :
11. Expansions in a rectangle.
12. Expansions in the whole plane.
13. Extensions of the theory.
14. Variation of the eigenvalues : the problème of the general finite region.
15. Separable equations.
16. The distribution of the eighenvalues.
17. Convergence and summability theorems.
18. Perturbation theory.
19. Perturbation theory involving continuous spectra.
20. The case in which q(X) is periodic.
21. Miscellaneous theorems.