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Top Questions
25
votes
What is the idea of a monodromy?
number-theory
general-topology
representation-theory
asked May 22, 2012 at 15:33
math.stackexchange.com
24
votes
What is the difference between $\ell$-adic cohomology and cohomology with coefficient in $Z_\ell$?
algebraic-geometry
cohomology
sheaf-theory
etale-cohomology
asked May 31, 2013 at 9:11
math.stackexchange.com
18
votes
Why does $H^i(X_{ét},\mathbb{Q}_p)$ have a Hodge-Tate structure?
nt.number-theory
arithmetic-geometry
galois-representations
p-adic-hodge-theory
asked Sep 8, 2013 at 15:31
mathoverflow.net
17
votes
Multiplicative norm on $\mathbb{R}[X]$.
linear-algebra
polynomials
norm
normed-spaces
inner-product-space
asked Oct 28, 2012 at 12:48
math.stackexchange.com
15
votes
What is the classification of characters in $p$-adic Hodge theory?
nt.number-theory
galois-representations
p-adic-hodge-theory
asked Aug 27, 2013 at 19:40
mathoverflow.net
14
votes
Is there a group between $SO(2,\mathbb{R})$ and $SL(2,\mathbb{R})$?
group-theory
lie-groups
algebraic-groups
asked Sep 25, 2014 at 21:20
math.stackexchange.com
13
votes
Why is $\mathbb{C}_p$ isomorphic to $\mathbb{C}$?
abstract-algebra
field-theory
valuation-theory
asked May 23, 2011 at 7:41
math.stackexchange.com
13
votes
What is $\mathbb{C}^{Aut(\mathbb{C}/\mathbb{Q})}$?
field-theory
asked May 25, 2011 at 15:32
math.stackexchange.com
12
votes
Reference for automorphic forms
reference-request
automorphic-forms
asked Jun 21, 2011 at 9:35
math.stackexchange.com
11
votes
Exercise on representations
linear-algebra
representation-theory
asked Feb 26, 2013 at 19:19
math.stackexchange.com
1
2
next
Top Answers
38
Why can't you flatten a sphere?
math.stackexchange.com
29
Visually deceptive "proofs" which are mathematically wrong
math.stackexchange.com
22
Interesting "real life" applications of serious theorems
math.stackexchange.com
17
Cesaro summable implies Abel summable
math.stackexchange.com
13
Why does the ideal $(a+bi)$ have index $a^2+b^2$ in $\mathbb{Z}[i]$?
math.stackexchange.com
12
Commutation when minimal and characteristic polynomial agree
math.stackexchange.com
11
$\Bbb RP^2$ as the union of a Möbius band and a disc
math.stackexchange.com
11
A snappy proof of Fatou's lemma
math.stackexchange.com
9
Reference book on measure theory
math.stackexchange.com
9
What test can be used to show $\sum \dfrac{n!}{n^n}$ converges?
math.stackexchange.com
8
Continuity of a function in two variables
math.stackexchange.com
7
Why does Euclid's algorithm taken one step past the GCD seem to yield the LCM?
math.stackexchange.com
6
Homeomorphism between $\mathbb{Q}$ and $\mathbb{Q}(>0)$, and $\mathbb{Q}(\ge 0)$
math.stackexchange.com
6
What indexes do the subgroups of $\mathrm{GL}_n(\Bbb C)$ have?
math.stackexchange.com
6
Atiyah-MacDonald help with exercise 5.10
math.stackexchange.com
6
Show that $x^4+1$ is reducible in p-adic numbers $\mathbb{Q}_p$ for p>2 prime.
math.stackexchange.com
6
Nonabelian group of order $p^4$
math.stackexchange.com
6
Determinant of a finite-dimensional matrix in terms of trace
math.stackexchange.com
6
Where does $xe^x$ solution come from when the characteristic polynomial is square?
math.stackexchange.com
5
Question about topology on $K^\times$ in local CFT
math.stackexchange.com
5
Show that $ a,b,c, \sqrt{a}+ \sqrt{b}+\sqrt{c} \in\mathbb Q \implies \sqrt{a},\sqrt{b},\sqrt{c} \in\mathbb Q $
math.stackexchange.com
5
what is the tensor product $\mathbb{H\otimes_{R}H}$
math.stackexchange.com
5
Finding the Galois group over $\Bbb{Q}$.
math.stackexchange.com
5
Characterization of a subfield $K \varsubsetneq \mathbb {C}$ and $x\in \mathbb{R}$
math.stackexchange.com
5
Why aren't these partial derivatives interchangeable?
math.stackexchange.com
5
Real zeros of the zeta function
math.stackexchange.com
5
Dirichlet series and Riemann zeta function
math.stackexchange.com
5
Prove that $e^{t(X+Y)}=e^{tX} e^{tY}$ implies $[X,Y]=0$
math.stackexchange.com
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