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| ε-PSEUDO CHEBYSHEV AND ε- QUASI CHEBYSHEV SUBSPACES OF BANACH SPACES | |
| 作者姓名： | Sh.Rezapour |
| 作者单位： | AzarbaidjanUniversityofTarbiatMoallem,Iran |
| 摘 要： | We will define and characterize ε-pseudo Chebyshev and ε-quasi Chebyshev subspaces of Banach spaces. We will prove that a closed subspace W is ε-pseudo Chebyshev if and only if W is ε-quasi Chebyshev. |
| 关 键 词： | ε-近似 伪CHEBYSHEV空间 ε-准CHEBYSHEV子空间 巴拿赫空间 |
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