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32
Examples of non-diffeomorphic smooth manifolds with diffeomorphic tangent bundle
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If a manifold suspends to a sphere…
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Is a free alternative to MathSciNet possible?
18
Proper subgroup of GL(n,Z) isomorphic to GL(n,Z)?
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Finiteness of higher homotopy groups of finite complexes
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How to escape the inclination to be a universalist or: How to learn to stop worrying and do some research.
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Infinite groups which contain all finite groups as subgroups
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Why do we teach calculus students the derivative as a limit?
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Does a compact negatively curved manfiold of dimension 4 admit a cover of finite degree?
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applications of the sphere theorem
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representatives of the group of homotopy 7-spheres
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Do you read the masters?
12
What is torsion in differential geometry intuitively?
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Special Holonomy Groups for Lorentzian Manifolds
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Simplicial volume
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Does every smooth manifold of infinite topological type admit a complete Riemannian metric?
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Manifold whose universal covering is a sphere but which is not a space form?
11
Cite articles or book where I first found the result?
9
Undergraduate math research
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What would you want to see at the Museum of Mathematics?
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4-dimensional h-cobordisms
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Connected sum of topological manifolds
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Hopfian and Co-Hopfian groups (examples)
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Failure of smoothing theory for topological 4-manifolds
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Is every (finite) group action on R^n by diffeomorphisms conjugate to a linear action?
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exotic differentiable structures on manifolds in dimensions 5 and 6
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$S^n \to S^m \to B$ bundle: possible?
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Riemannian metric induced by a metric
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What are some of the big open problems in 3-manifold theory?
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What are the open subsets of $\mathbb{R}^n$ that are diffeomorphic to $\mathbb{R}^n$
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