Geodesic
Almost surjective $\varepsilon $-isometries of Banach spaces
I. A. Vestfrid1
1 Institute of Mathematics Hebrew University of Jerusalem 91904 Jerusalem, Israel
Colloquium Mathematicum, Tome 100 (2004) no. 1, pp. 17-22

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We investigate Hyers–Ulam stability of non-surjective $\varepsilon $-isomeries of Banach spaces. We also pose and discuss an open problem.
DOI : 10.4064/cm100-1-3
Keywords: investigate hyers ulam stability non surjective varepsilon isomeries banach spaces pose discuss problem

I. A. Vestfrid 1

1 Institute of Mathematics Hebrew University of Jerusalem 91904 Jerusalem, Israel 
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I. A. Vestfrid. Almost surjective $\varepsilon $-isometries
 of Banach spaces. Colloquium Mathematicum, Tome 100 (2004) no. 1, pp. 17-22. doi: 10.4064/cm100-1-3

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