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The Connection Between Isometries and Symmetries of Geodesic Equations of the Underlying Spaces

✍ Scribed by Tooba Feroze; F. M. Mahomed; Asghar Qadir


Publisher
Springer Netherlands
Year
2006
Tongue
English
Weight
190 KB
Volume
45
Category
Article
ISSN
0924-090X

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Computing the complexity of the relation
✍ Julien Melleray πŸ“‚ Article πŸ“… 2007 πŸ› John Wiley and Sons 🌐 English βš– 114 KB

## Abstract We compute here the Borel complexity of the relation of isometry between separable Banach spaces, using results of Gao, Kechris [2], Mayer‐Wolf [5], and Weaver [8]. We show that this relation is Borel bireducible to the universal relation for Borel actions of Polish groups. (Β© 2007 WILE