| Journal: | Boletim da Sociedade Paranaense de Matematica |
| Database: | PERIÓDICA |
| System number: | 000395335 |
| ISSN: | 0037-8712 |
| Authors: | Bahri, S.M1 |
| Institutions: | 1University of Abdelhamid Ibn Badis Mostaganem, Department of Mathematics, Mostaganem. Argelia |
| Year: | 2008 |
| Volumen: | 26 |
| Number: | 1-2 |
| Pages: | 9–18-9–18 |
| Country: | Brasil |
| Language: | Inglés |
| Document type: | Artículo |
| Approach: | Analítico |
| English abstract | In this paper we describe the closed convex hull of orthogonal resolvents of an abstract symmetric operator of defect indices (1, 1), then we study the convex hull of orthogonal spectral functions of a Carleman operator in the Hilbert space L²(X, µ) |
| Disciplines: | Matemáticas |
| Keyword: | Matemáticas puras, Teoría espectral, Espacios de Hilbert, Envolventes convexas, Operadores integrales, Operadores lineales, Problema de momentos, Funciones espectrales |
| Keyword: | Mathematics, Pure mathematics, Spectral theory, Hilbert spaces, Convex hulls, Integral operators, Linear operators, Moment problem, Spectral functions |
| Full text: | Texto completo (Ver PDF) |
