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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 '19 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

11 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

9 votes

Is there a natural group of subgroups of a group?

abstract-algebra group-theory asked Jan 5 '19 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 '19 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

6 votes

On constants attainable by the expression $\int_0^1xf(x)dx$

real-analysis functional-analysis analysis functions asked Dec 29 '19 at 5:02
math.stackexchange.com

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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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Why $(-2)^{2.5}$ isn't equal to $((-2)^{25})^{1/10}$?
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Is $x+y -\pi$ an algebraic expression or not?
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How to solve $\sin^2(x)+\sin2x+2\cos^2(x)=0$
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Find rational $\frac{p}{q}$ such that $\frac{1}{3000}<|\sqrt{2}-\frac{p}{q}|<\frac{1}{2000}$
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How to prove or disprove matrices $A$ and $B$ commute iff $(A-B)(A+B)=A^2-B^2$?
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Does anything similar to a row matrix determinant exist?
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