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Digests
Peter Michor
Vienna, Austria
http://www.mat.univie.ac.at/~michor
Just a simple mathematician
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Top Questions
21
votes
Does a Riemannian manifold with bounded geometry admit an isometric proper embedding into Euclidean space with uniformly thick tubular neighborhood?
dg.differential-geometry
riemannian-geometry
elliptic-pde
asked Mar 18, 2013 at 6:52
mathoverflow.net
17
votes
Where did Sophus Lie write the group commutator for two one parameter groups
ho.history-overview
reference-request
dg.differential-geometry
lie-groups
asked Jun 19, 2013 at 11:56
mathoverflow.net
9
votes
Representing immersions from a surface into 3-space
dg.differential-geometry
ap.analysis-of-pdes
asked Apr 23, 2013 at 6:40
mathoverflow.net
Top Answers
82
Useless math that became useful
mathoverflow.net
31
What is torsion in differential geometry intuitively?
mathoverflow.net
25
Intuition for failure of Implicit Function theorem on Frechet Manifolds
mathoverflow.net
23
Does it make sense to talk about smooth bundles of Hilbert spaces?
mathoverflow.net
20
Did Gelfand's theory of commutative Banach algebras influence algebraic geometers?
mathoverflow.net
19
Barrelled, bornological, ultrabornological, semi-reflexive, ... how are these used?
mathoverflow.net
18
geometric interpretation of Lie bracket
mathoverflow.net
17
Bases for spaces of smooth functions
mathoverflow.net
17
Intuition for mean curvature
mathoverflow.net
17
How metric is Riemannian geometry
mathoverflow.net
17
$f^3,f^2$ are the cube and quadratic of f respectively and both infinite differentiable on $R$,how to show so is $f$
mathoverflow.net
16
Metric on tangent bundle
mathoverflow.net
15
Does there exist a notion of discrete riemannian metric on graph?
mathoverflow.net
15
How are infinite-dimensional manifolds most commonly treated?
mathoverflow.net
15
Why is differentiating mechanics and integration art?
mathoverflow.net
14
Non-zero smooth functions vanishing on a Cantor set
mathoverflow.net
13
Construction of the Lie functor: left vs. right invariant vector fields on Lie groups and Lie groupoids
mathoverflow.net
13
Space of sections of a fibre bundle with non-compact base space
mathoverflow.net
13
de Rham cohomology and flat vector bundles
mathoverflow.net
13
Is there an underlying explanation for the magical powers of the Schwarzian derivative?
mathoverflow.net
13
The mean of points on a unit n-sphere $S^n$
mathoverflow.net
12
Stokes theorem for manifolds without orientation?
mathoverflow.net
12
Two different analytic curves cannot intersect in infinitely many points
mathoverflow.net
12
Integral representation of higher order derivatives
mathoverflow.net
12
how to find/define eigenvectors as a continuous function of matrix?
mathoverflow.net
12
Smooth manifolds as idempotent splitting completion
mathoverflow.net
12
Are smooth functions tame?
mathoverflow.net
12
On similar concepts in mathematics whose similarity is a non-trivial fact.
mathoverflow.net
11
Under exactly what (extra) conditions (if any) is a connected Hausdorff manifold with a Riemannian metric a metric space?
mathoverflow.net
11
Nash Embedding Theorems for Pseudo-Riemannian Manifolds?
mathoverflow.net
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