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21 votes
Accepted

Applications of equidistribution

10 votes
Accepted

How to read Spectral Theory of Graphs

9 votes
Accepted

Motivations for mapping class group representations

8 votes
Accepted

If a function is undefined at a point, is it also discontinuous at that point?

8 votes

How do I teach university level mathematics to myself?

8 votes
Accepted

Harmonic Analysis on the real special linear group

7 votes
Accepted

Irrational number not ocurring in the period of rational numbers

7 votes

Alternative proof that if $a,b,c \in \mathbb{R}$ and $(a+b+c)c<0$ then $b^2-4ac>0$?

6 votes
Accepted

Why did Fermat care about characterizing primes on the form $p=x^{2}+ny^{2}$?

6 votes
Accepted

Is there a general way to prove series and products are modular?

6 votes
Accepted

Does every finite group appear as the decomposition (or inertia) group for some prime in some number field?

6 votes

What are some fundamental symmetries of Riemann Zeta (Xi) function are important to Riemann Hypothesis?

6 votes
Accepted

The integration of a rapidly decreasing function is bounded?

6 votes
Accepted

$[G:H] < \infty$ then $gHg^{-1} \subset H$ and is it true that $gHg^{-1} = H$

6 votes
Accepted

An nth-order ODE has n linearly independent solutions

5 votes
Accepted

Decomposition and harmonic analysis of $L^2(S^n)$

5 votes
Accepted

Verifying that the Sobolev space is a Banach Space

5 votes
Accepted

Why if $\alpha$ is a root of $x^3-5x^2+2$, then $\mathcal O_{\Bbb Q[\alpha]}=\mathbb Z[\alpha]$?

5 votes
Accepted

To find the extreme values of function

4 votes

Why is the action of $SL(2, R)$ on holomorphic quadratic forms involve a square root?

4 votes
Accepted

Proof that the induced class function $\theta^G$ is a character if $\theta$ is a representation on subgroup

4 votes

Is there a way to solve $\sin(x)=x$?

4 votes
Accepted

showing that two simple field extensions of $\mathbb{Q}$ are not isomorphic

4 votes
Accepted

$x_n \sim \frac n{\log(n)}$ but $x_{n+1}-x_n$ does not tend to $0$

3 votes

Minimal distance for Irrational Rotations on the circle

3 votes

Riemann Hypothesis: Is $1/2$ of critical line same as the $1/2$ of square-root accurately of error term of prime number theorem?

3 votes
Accepted

Bounded measurable functions

3 votes
Accepted

On the definitions of $n$-manifold etc.

2 votes

baire category and the union of dyadic balls of rational center

2 votes
Accepted

Characters of Finite Abelian Groups