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| DOI | 10.1016/J.JMAA.2022.126487 | ||||
| Año | 2022 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
Geodesically isotropic positive definite functions on compact two-point homogeneous spaces of dimension d have series representation as members of weighted Lebesgue spaces L1w([−1,1]), where the weight w(x)=wα,β(x)=(1−x)α(1+x)β is the one related to the Jacobi orthogonal polynomials P(α,β)(x) in [−1,1], and the exponents α and β are related to the dimension d. We derive some recurrence relations among the coefficients of the series representations under different exponents, and we apply them to prove inheritance of positive definiteness between dimensions. Additionally, we give bounds on the curvature at the origin of such positive definite functions with compact support, extending the existing solutions from d-dimensional spheres to compact two-point homogeneous spaces.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Barbosa, V. S. | - |
Universidade Federal de Santa Catarina - Brasil
UNIV FED SANTA CATARINA - Brasil |
| 2 | Gregori, Pablo | Hombre |
Universidad Jaume I - España
Univ Jaume 1 - España |
| 3 | Peron, A. P. | Mujer |
Universidade de São Paulo - Brasil
UNIV SAO PAULO - Brasil |
| 4 | Porcu, Emilio | Hombre |
Khalifa University of Science and Technology - Emiratos Árabes Unidos
Núcleo Milenio Centro para el Descubrimiento de Estructuras en Datos Complejos - Chile Millennium Nucleus Ctr Discovery Struct Complex D - Chile Khalifa Univ - Emiratos Árabes Unidos Millennium Nucleus Center for the Discovery of Structures in Complex Data - Chile |
| Fuente |
|---|
| Conselho Nacional de Desenvolvimento Científico e Tecnológico |
| Fundação de Amparo à Pesquisa do Estado de São Paulo |
| FAPESP, Brazil |
| Agencia Estatal de Investigación |
| Agencia Estatal de Investigacion, Spain |
| Conselho Nacional de Desenvolvimento Cientifico e Tecnologico-CNPq, Brazil |
| Khalifa University of Science and Technology, Abu Dhabi |
| Khalifa University of Science and Technology, Abu Dhabi, UAE |
| Agradecimiento |
|---|
| Funding: This work was supported by the Agencia Estatal de Investigación , Spain [project PID2019-107392RB-I00 ] (P. Gregori); the Conselho Nacional de Desenvolvimento Científico e Tecnológico -CNPq, Brazil [grant 203033/2019-1 ] and FAPESP , Brazil [grant 2021/04269-0 ] (Ana P. Peron); and the Khalifa University of Science and Technology, Abu Dhabi, UAE [award No. FSU-2021-016 ] (E. Porcu). |
| This work was supported by the Agencia Estatal de Investigacion, Spain [project PID2019-107392RB-I00] (P. Gregori); the Conselho Nacional de Desenvolvimento Cientifico e Tecnologico-CNPq, Brazil [grant 203033/2019-1] and FAPESP, Brazil [grant 2021/04269-0] (Ana P. Peron); and the Khalifa University of Science and Technology, Abu Dhabi, UAE [award No. FSU-2021-016] (E. Porcu). |