1) Approximate orthogonality preserving mapping
![点击朗读](/dictall/images/read.gif)
保持近似正交的映射
2) ε-approximately orthogonality preserving mapping
![点击朗读](/dictall/images/read.gif)
ε-近似保正交映射
3) (δ,ε)-approximately orthogonality preserving mapping
![点击朗读](/dictall/images/read.gif)
(δ,ε)-近似保正交映射
4) orthogonality preserving mapping
![点击朗读](/dictall/images/read.gif)
保正交映射
1.
Stability of orthogonality preserving mappings and the ort hogonality equation;
![点击朗读](/dictall/images/read.gif)
保正交映射与正交性方程的稳定性
5) map with nearly closed graph
![点击朗读](/dictall/images/read.gif)
近似闭图的映射
1.
A concept of map with nearly closed graph was given in this paper.
![点击朗读](/dictall/images/read.gif)
T1 空间Y是近似紧的当且仅当对每一个完全正规的T2空间X及对每一个带有近似闭图的映射f:XY,f是几乎连续的。
补充资料:保正
1.一保之长。
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参考词条