Identificador persistente para citar o vincular este elemento:
http://hdl.handle.net/10662/15730
T铆tulos: | Ball Proximinality of Closed * Subalgebras in C(Q) |
Autores/as: | Indumathi, V. Lalithambigai, S. Lin, Bor-Luh |
Palabras clave: | Proximinal;Bola proximal;Fuerte bola proximal;Proyecci贸n m茅trica;Semicontinuidad Hausdorff inferior;Semicontinuidad Hausdorff superior;Selecci贸n continua;Proximinal;Ball proximinal;Strongly ball proximinal;Metric projection;Lower Hausdorff semi-continuity;Upper Hausdorff semi-continuity,;Continuous selection |
Fecha de publicaci贸n: | 2007 |
Editor/a: | Universidad de Extremadura, Servicio de Publicaciones |
Resumen: | The notion of ball proximinality and the strong ball proximinality were recently introduced in [2]. We prove that a closed * subalgebra 饾挏 of 饾櫜(饾殌) is strongly ball proximinal in 饾櫜(饾殌) and the metric projection from 饾櫜(饾殌), onto the closed unit ball of 饾挏, is Hausdorff庐 metric continuous and hence has continuous selection. |
URI: | http://hdl.handle.net/10662/15730 |
ISSN: | 0213-8743 |
Colecci贸n: | Extracta Mathematicae Vol. 22, n潞 1 (2007) |
Archivos
Archivo | Descripci贸n | Tama帽o | Formato | |
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2605-5686_22_1_1.pdf | 190,12 kB | Adobe PDF | Descargar |
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