A build to applications of ”best approximation” is the main purpose of this paper. The application of approximation theory is critical in analysing obstructions and deviations of the pupil of the eye ...

A metric space $(X, d)$ is called an $M$-space if for every $x$ and $y$ in $X$ and for every $r \in \lbrack 0, \lambda \rbrack$ we have $B\lbrack x, r \rbrack \cap B ...