Abstract
Benz proved that every mapping f : ℚd → ℚd that preserves the distances 1 and 2 is an isometry, provided d ≥ 5. We prove that every mapping f : ℚd → ℚd that preserves the distances 1 and √2 is an isometry, provided d ≥ 5.
| Original language | English |
|---|---|
| Pages (from-to) | 195-203 |
| Number of pages | 9 |
| Journal | Journal of Geometry |
| Volume | 82 |
| Issue number | 1-2 |
| DOIs | |
| State | Published - Aug 2005 |
Keywords
- Beckman-Quarles Theorem
- Distance preserving mappings
- Isometry
ASJC Scopus subject areas
- Geometry and Topology