COAPPROXIMATION IN PROBABILISTIC NORMED SPACES
In this article, we studied the best coapproximation in probabilistic 2-normed spaces. We defined the best coapproximation on these spaces and generalized some definitions such as set of best coapproximation, $P_b$-coproximinal set and $P_b$-coapproximately compact and orthogonality relative to any set and proved some theorems about them.
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Copyright (c) 2010 Journal of Nonlinear Analysis and Optimization: Theory & Applications
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