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Top Questions
28
votes
Topological "Freshman's Dream"
general-topology
examples-counterexamples
quotient-spaces
asked Nov 10, 2021 at 6:19
math.stackexchange.com
15
votes
Are these square matrices always diagonalisable?
linear-algebra
eigenvalues-eigenvectors
diagonalization
tridiagonal-matrices
toeplitz-matrices
asked Apr 23, 2019 at 22:43
math.stackexchange.com
14
votes
What happened to the reemitted photons during recombination?
cosmology
spectroscopy
spectra
cosmic-microwave-background
asked Feb 24 at 1:14
astronomy.stackexchange.com
13
votes
Is there a substitution that relates every Fermat curve to an elliptic curve?
ag.algebraic-geometry
nt.number-theory
elliptic-curves
asked Dec 20, 2018 at 0:39
mathoverflow.net
13
votes
Solid Angle Trigonometry?
trigonometry
spherical-trigonometry
asked Jan 29, 2018 at 8:40
math.stackexchange.com
9
votes
Is there a substitution which transforms every Fermat curve into an elliptic curve?
number-theory
algebraic-geometry
elliptic-curves
algebraic-curves
substitution
asked Dec 17, 2018 at 0:12
math.stackexchange.com
9
votes
Is there a natural group of subgroups of a group?
abstract-algebra
group-theory
asked Jan 5, 2019 at 0:18
math.stackexchange.com
8
votes
A continuous curve intersects its 90 degrees rotated copy?
general-topology
geometry
euclidean-geometry
curves
asked Feb 11, 2019 at 21:07
math.stackexchange.com
7
votes
How is observable matter distributed in the universe?
star
observational-astronomy
cosmology
observable-universe
matter
asked Feb 28 at 0:50
astronomy.stackexchange.com
7
votes
Synthetic solution to this geometry problem?
geometry
contest-math
euclidean-geometry
asked Dec 5, 2018 at 1:06
math.stackexchange.com
1
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Top Answers
92
Asserting that Atheism and Theism are both faith based positions
philosophy.stackexchange.com
35
How should I tell a professor the answer to something he doesn't know?
academia.stackexchange.com
21
Sigma notation for sum of $\ln(x)^2$ from $2$ to $20$ with non-integer steps
math.stackexchange.com
17
Intuition for the derivative of the exponential function
math.stackexchange.com
16
Unsolved Problems due to Lack of Computational Power
math.stackexchange.com
15
Are all notation equal by derivatives?
math.stackexchange.com
14
Why do early math courses focus on the cross sections of a cone and not on other 3D objects?
math.stackexchange.com
13
How to learn without looking at solutions? (real analysis)
math.stackexchange.com
13
How do you manage to study and have a balance in your life at the same time?
academia.stackexchange.com
12
Why is 11. .. h6 such a bad move?
chess.stackexchange.com
12
Number of solutions to the Diophantine equation $xy-6(x+y)= 0$ such that $x\leq y$
math.stackexchange.com
11
Learn university maths or train for high school competitions: which is better?
matheducators.stackexchange.com
10
Question about $\int e^{x^2} dx.$ Why can't it be integrated using standard methods?
math.stackexchange.com
10
Showing $f(t) = t^4 + 2t^2 + 9$ is reducible over $\Bbb Q$
math.stackexchange.com
10
Exact value of a trigonometric rational
math.stackexchange.com
10
Logic - How to say "Not only but also".
math.stackexchange.com
9
How to prove $\mathbb{Z}_{2}\times\mathbb{Z}_{16}$ is not isomorphic to$\mathbb{Z}_{4}\times\mathbb{Z}_{8}$?
math.stackexchange.com
8
Why is exchanging these knights the best move for white?
chess.stackexchange.com
8
Almost normal subgroups: Is there any notion which is weaker than normal subgroup?
math.stackexchange.com
8
Question about proving $\mathbb{Z}[i]$ is not UFD
math.stackexchange.com
7
A pattern in determinants of Fibonacci numbers?
math.stackexchange.com
7
Area using $\iint dxdy$
math.stackexchange.com
7
Why $(-2)^{2.5}$ isn't equal to $((-2)^{25})^{1/10}$?
math.stackexchange.com
7
New Post Notices rollout on Stack Overflow
meta.stackexchange.com
7
Proving that $\sum_{n=1}^\infty \frac{p_n}{n^2} $ converges or diverges
math.stackexchange.com
6
How to solve $\sin^2(x)+\sin2x+2\cos^2(x)=0$
math.stackexchange.com
6
Compute $\int \sin(x) \left( \frac{1}{\cos(x) + \sin(x)} + \frac{1}{\cos(x) - \sin(x)} \right)\,dx.$
math.stackexchange.com
6
Is $x+y -\pi$ an algebraic expression or not?
math.stackexchange.com
6
$x^2 + y^2+xy = 1$ , then find the minimum of $x^3 y + xy^3 +4$
math.stackexchange.com
6
Prime factorizations of consecutive numbers, can they both contains powers of greater than or equal to $1000$?
math.stackexchange.com
1
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