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SOME RESULTS ON FUZZY BANACH SPACES
SAADATI, R.,VAEZPOUR, S. M. 한국전산응용수학회 2005 Journal of applied mathematics & informatics Vol.17 No.1
The main aim of this paper is to consider the fuzzy norm, define the fuzzy Banach spaces, its quotients and prove some theoremes and in particular Open mapping and Closed graph theoremes on these spaces.
Some results on fuzzy Banach spaces
R. Saadati,S. M. Vaezpour 한국전산응용수학회 2005 Journal of applied mathematics & informatics Vol.17 No.1-2
The main aim of this paper is to consider the fuzzy norm, define the fuzzy Banach spaces, its quotients and prove some theoremes and in particular Open mapping and Closed graph theoremes on these spaces.
ON ω-CHEBYSHEV SUBSPACES IN BANACH SPACES
Shams, Maram,Mazaheri, Hamid,Vaezpour, Sayed Mansour Korean Mathematical Society 2008 대한수학회보 Vol.45 No.3
The purpose of this paper is to introduce and discuss the concept of ${\omega}$-Chebyshev subspaces in Banach spaces. The concept of quasi Chebyshev in Banach space is defined. We show that ${\omega}$-Chebyshevity of subspaces are a new class in approximation theory. In this paper, also we consider orthogonality in normed spaces.
On ω-Chebyshev subspaces in Banach spaces
Maram Shams,Hamid Mazaheri,Sayed Mansour Vaezpour 대한수학회 2008 대한수학회보 Vol.45 No.3
The purpose of this paper is to introduce and discuss the concept of ω-Chebyshev subspaces in Banach spaces. The concept of quasi Chebyshev in Banach space is defined. We show that ω-Chebyshevity of subspaces are a new class in approximation theory. In this paper, also we consider orthogonality in normed spaces. The purpose of this paper is to introduce and discuss the concept of ω-Chebyshev subspaces in Banach spaces. The concept of quasi Chebyshev in Banach space is defined. We show that ω-Chebyshevity of subspaces are a new class in approximation theory. In this paper, also we consider orthogonality in normed spaces.