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Ultrametricity and metric betweenness in tangent spaces to metric spaces |
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| Authors: | Oleksiy Dovgoshey Dmytro Dordovskyi |
| Institution: | 1.Institute of Applied Mathematics and Mechanics of NASU,Donetsk,Ukraine |
| Abstract: | The paper deals with pretangent spaces to general metric spaces. An ultrametricity criterion for pretangent spaces is found and it is closely related to the metric betweenness in the pretangent spaces. |
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