Geodesic
On $\delta$-suns
Publications de l'Institut Mathématique, _N_S_83 (2008) no. 97, p. 99 .

Voir la notice de l'article provenant de la source eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts

We prove that an approximatively compact Chebyshev set in an M-space is a $\delta$-sun and a $\delta$-sun in a complete strong M-space (or externally convex M-space) is almost convex.
DOI : 10.2298/PIM0897099N
Classification : 41A65 41A50
Keywords: $\delta$-sun, almost convex set, Chebyshev set, convex metric space, M-space, strong M-space and externally convex space 
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     title = {On $\delta$-suns},
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T. D. Narang; Shavetambry Tejpal. On $\delta$-suns. Publications de l'Institut Mathématique, _N_S_83 (2008) no. 97, p. 99 . doi : 10.2298/PIM0897099N. http://geodesic.mathdoc.fr/articles/10.2298/PIM0897099N/

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