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Results tagged with smooth-manifolds
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user 114094
Smooth manifolds and smooth functions between them. For manifolds with additional structure, see more specific tags, such as [riemannian-geometry]. For more topological aspects, see [differential-topology].
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Third de Rham cohomology group for the simply connected 4-manifolds
This is a question that has emerged from a discussion about some topological properties of spacetimes.
Suppose that $M$ is a (Hausdorff, paracompact) smooth, orientable, connected, simply connected 4 …
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