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Intrinsic metrics and Lipschitz functions

✍ Scribed by Francis Hirsch


Book ID
105765629
Publisher
Springer
Year
2003
Tongue
English
Weight
148 KB
Volume
3
Category
Article
ISSN
1424-3199

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Semi-Lipschitz Functions and Best Approx
✍ Salvador Romaguera; Manuel Sanchis πŸ“‚ Article πŸ“… 2000 πŸ› Elsevier Science 🌐 English βš– 128 KB

We show that the set of semi-Lipschitz functions, defined on a quasi-metric space (X, d ), that vanish at a fixed point x 0 # X can be endowed with the structure of a quasi-normed semilinear space. This provides an appropriate setting in which to characterize both the points of best approximation an