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On 1/4-pinched 4-dimensional riemannian manifolds of negative curvature

✍ Scribed by Marina Ville


Publisher
Springer
Year
1985
Tongue
English
Weight
221 KB
Volume
3
Category
Article
ISSN
0232-704X

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On the genus of 4-dimensional products o
✍ Massimo Ferri; Carlo Gagliardi πŸ“‚ Article πŸ“… 1982 πŸ› Springer 🌐 English βš– 651 KB

We determine bounds for the regular genus of any 4-manifold, which is a product of $1 by a closed 3-manifold, or a product of two closed surfaces. This is done by an explicit construction of a graph representing the manifold, and by finding a minimal regular imbedding of it. S UNTO, Determiniamo una