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Paul Cusson
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Top Questions
69
votes
Does iterating the derivative infinitely many times give a smooth function whenever it converges?
reference-request
ca.classical-analysis-and-odes
ds.dynamical-systems
fixed-point-theorems
asked Jan 5 at 6:05
mathoverflow.net
25
votes
Is every closed simply connected manifold a non-trivial covering space?
manifolds
covering-spaces
asked Sep 11, 2020 at 20:44
math.stackexchange.com
13
votes
Can every element of a homotopy group of a smooth manifold be represented by an immersion?
homotopy-theory
smooth-manifolds
asked Nov 8, 2020 at 2:53
mathoverflow.net
13
votes
Examples of spaces with only trivial vector bundles
differential-geometry
algebraic-topology
reference-request
vector-bundles
asked Mar 21 at 18:52
math.stackexchange.com
12
votes
A trivial combinatorics result I found, is my proof correct?
combinatorics
asked Jul 29, 2016 at 3:43
math.stackexchange.com
9
votes
Examples of non parallelizable homogeneous spaces $G/H$ where $H$ is discrete
reference-request
manifolds
lie-groups
homogeneous-spaces
asked Mar 19 at 18:14
math.stackexchange.com
8
votes
Learning from unsuccessful attempts at the Poincaré conjecture
reference-request
lie-groups
differential-topology
asked Jul 27, 2020 at 18:15
mathoverflow.net
7
votes
About a generalization of the Borsuk-Ulam theorem
at.algebraic-topology
gn.general-topology
asked Dec 17, 2019 at 22:02
mathoverflow.net
7
votes
Examples and properties of spaces with only trivial vector bundles
reference-request
dg.differential-geometry
at.algebraic-topology
vector-bundles
asked Feb 25 at 18:51
mathoverflow.net
6
votes
What conditions are sufficient for the Leray-Hirsch theorem to be a Künneth formula?
reference-request
cohomology
tensor-products
fibre-bundles
asked Jan 25 at 22:34
mathoverflow.net
1
2
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