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Top Questions
15 votes

Are these square matrices always diagonalisable?

linear-algebra eigenvalues-eigenvectors diagonalization tridiagonal-matrices toeplitz-matrices asked Apr 23 at 22:43
math.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 '18 at 0:39
mathoverflow.net

10 votes

Solid Angle Trigonometry?

trigonometry spherical-trigonometry asked Jan 29 '18 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 '18 at 0:12
math.stackexchange.com

8 votes

Is there a natural group of subgroups of a group?

abstract-algebra group-theory asked Jan 5 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 at 21:07
math.stackexchange.com

7 votes

Synthetic solution to this geometry problem?

geometry contest-math euclidean-geometry asked Dec 5 '18 at 1:06
math.stackexchange.com

6 votes

When is $p^2+1$ twice of a prime?

abstract-algebra number-theory prime-numbers diophantine-equations asked Dec 29 '18 at 4:54
math.stackexchange.com

6 votes

A pattern in determinants of Fibonacci numbers?

linear-algebra determinant fibonacci-numbers asked Dec 3 '18 at 1:55
math.stackexchange.com

5 votes

How long does it take for this sequence to obtain this loop?

sequences-and-series elementary-number-theory asked Dec 20 '18 at 10:31
math.stackexchange.com


Top Answers
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Prime factorizations of consecutive numbers, can they both contains powers of greater than or equal to $1000$?
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Is i = 0 from Euler's Identity?
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Alternate definition of prime numbers
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If $Q$ is a proper orthogonal transformation matrix, deduce that $\det(1-Q)=0$.
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Compute $\int \sin(x) \left( \frac{1}{\cos(x) + \sin(x)} + \frac{1}{\cos(x) - \sin(x)} \right)\,dx.$
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