相关期刊:《Analysis in Theory and Applications》《Journal of Modern Physics》《Science China(Information Sciences)》《Journal of Systems Engineering and Electronics》更多>>
As a counterpart to best approximation in normed linear spaces, the best coapproximation was introduced by Francbetti and Furl. In this paper, we shall consider the relation between coproximinality M in X and L^P(S,M...
The concepts of quasi-Chebyshev and weakly-Chebyshev and σ-Chebyshev were defined [3 - 7], andas a counterpart to best approximation in normed linear spaces, best coapprozimation was introduced by Franchetti and Furi...