Abstract
This paper is concerned with a class of problem of best simultaneous approximations from $RS$-sets in Banach spaces $X$. It is shown that the best simultaneous approximations from an $RS$-set is strongly unique in the case when $X$ is a real Banach space, and strongly unique of order $\alpha \geq 2$ in the case when $X$ is a complex Banach space.
Citation
Xianfa Luo. "STRONG UNIQUENESS OF A CLASS OF BEST SIMULTANEOUS APPROXIMATION FROM RS-SETS IN NORMED SPACES." Taiwanese J. Math. 17 (1) 315 - 332, 2013. https://doi.org/10.11650/tjm.17.2013.2065
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