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Top Questions
25
votes
When is the product of $n$ subgroups a subgroup?
abstract-algebra
group-theory
asked Sep 6 '12 at 1:29
math.stackexchange.com
10
votes
The space of Riemannian metrics on a given manifold.
functional-analysis
differential-geometry
banach-spaces
riemannian-geometry
asked Jan 11 '12 at 15:12
math.stackexchange.com
9
votes
A subgroup such that every left coset is contained in a right coset.
abstract-algebra
group-theory
asked Jan 20 at 20:51
math.stackexchange.com
9
votes
Numbering theorem-like environments
numbering
theorems
asked Feb 10 '12 at 17:54
tex.stackexchange.com
8
votes
Diffeomorphism group of the unit circle
differential-geometry
differential-topology
circle
homotopy-theory
asked Dec 4 '11 at 23:01
math.stackexchange.com
7
votes
Existence of a Riemannian metric inducing a given distance.
metric-spaces
riemannian-geometry
asked Feb 7 '12 at 1:47
math.stackexchange.com
7
votes
How do I eliminate useless subsets?
general-topology
elementary-set-theory
asked Feb 17 '12 at 0:22
math.stackexchange.com
7
votes
Dimension of diffeomorphism groups preserving some $2$-tensor.
differential-geometry
differential-forms
asked Jun 26 '12 at 18:13
math.stackexchange.com
6
votes
The dual of a Fréchet space.
functional-analysis
topological-vector-spaces
locally-convex-spaces
asked Feb 21 '12 at 16:02
math.stackexchange.com
6
votes
Smoothness of radially defined functions.
analysis
multivariable-calculus
asked Feb 28 '12 at 16:44
math.stackexchange.com
1
2
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Top Answers
16
What's the name for the property of a function $f$ that means $f(f(x))=x$?
math.stackexchange.com
12
Is $\int_a^b f(x) dx = \int_{f(a)}^{f(b)} f^{-1}(x) dy$?
math.stackexchange.com
8
Can the Schwarz lemma be extended to functions $f : D \to \overline{D}$?
math.stackexchange.com
5
Fixed points of a holomorphic map on a simply connected domain
math.stackexchange.com
5
What does a subspace spanned by another subspace and a vector mean?
math.stackexchange.com
5
Example of a flat manifold with non-zero (global) holonomy group.
math.stackexchange.com
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