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Results tagged with 3-manifolds
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user 97207
A three-manifold is a space that locally looks like Euclidean three-dimensional space
8
votes
1
answer
376
views
Outer automorphism group of Brieskorn homology sphere?
In this post, it is discussed how a Brieskorn homology sphere $\Sigma(a_1,a_2,a_3)$ with $\displaystyle \frac{1}{a_1}+ \frac{1}{a_2}+ \frac{1}{a_3} < 1$ is an aspherical manifold with a superperfect f …
- 136
7
votes
1
answer
376
views
Aspherical manifold with superperfect fundamental group and non-trivial center?
I am interested in knowing if there is a closed, (smooth) aspherical manifold $M$ (hyperbolic would be best) with superperfect fundamental group (that is to say, with $H_1(\pi_1(M);\mathbb{Z}) = H_2(\ …
- 28.2k