Tangent spaces to metric spaces and to their subspaces

• Date: 2008
• Main Author: Dovgoshey, O.A.
• Format: Article
• Language: English
• Published: Інститут прикладної математики і механіки НАН України 2008
• Online Access: https://nasplib.isofts.kiev.ua/handle/123456789/10947
• Journal Title: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Cite this: Tangent spaces to metric spaces and to their subspaces / O.A. Dovgoshey // Український математичний вісник. — 2008. — Т. 5, № 4. — С. 470-487. — Бібліогр.: 12 назв. — англ.

We investigate tangent spaces and metric space valued derivatives at points of a general metric spaces. The conditions under which two different subspaces of the metric space have isometric tangent spaces in the common point of these subspaces are determinated.