| Display title | Exotic R4 |
| Default sort key | Exotic R4 |
| Page length (in bytes) | 6,476 |
| Namespace ID | 0 |
| Page ID | 315516 |
| Page content language | en - English |
| Page content model | wikitext |
| Indexing by robots | Allowed |
| Number of redirects to this page | 0 |
| Counted as a content page | Yes |
| HandWiki item ID | None |
| Edit | Allow all users (infinite) |
| Move | Allow all users (infinite) |
| Page creator | imported>JMinHep |
| Date of page creation | 16:33, 6 February 2024 |
| Latest editor | imported>JMinHep |
| Date of latest edit | 16:33, 6 February 2024 |
| Total number of edits | 1 |
| Recent number of edits (within past 90 days) | 0 |
| Recent number of distinct authors | 0 |
Description | Content |
Article description: (description)
This attribute controls the content of the description and og:description elements. | In mathematics, an exotic $ \mathbb {R} ^{4} $ is a differentiable manifold that is homeomorphic (i.e. shape preserving) but not diffeomorphic (i.e. non smooth) to the Euclidean space $ \mathbb {R} ^{4}. $ The first examples were found in 1982 by Michael Freedman and others, by using the contrast between... |
