countinghaus

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175 Answers

newest activity votes
34
What is algebraic geometry?
24
Why do new rules cause students to forget and misapply older rules?
13
How can one express $\sqrt{2+\sqrt{2}}$ without using the square root of a square root?
11
$ \lim\limits_{n \to{+}\infty}{\sqrt[n]{n!}}$ is infinite
11
Prime ideals in the ring of algebraic integers
10
Embedding of a field extension to another
8
Motivating to understand Double dual space .
7
proving $\mathrm e <3$
7
Reference request: Vector bundles and line bundles etc.
6
Exercise 6.1 in Serre's Representations of Finite Groups
6
Why is $\mathbb{Z} [\sqrt{24}] \ne \mathbb{Z} [\sqrt{6}]$?
6
Is the complement of an ample divisor always affine
6
Good examples for mathemathical problems/statements that are easely solvable/provable in one theory and hard to solve/prove in another
6
Trivilisations of Vector Bundles
6
Order of a set $X$ acted upon transitively by the Symmetric Group
6
What are the practical uses of $e$?
6
Is inclusion of a prime ideal into a different prime ideal possible?
6
Is the union of two manifolds a manifold?
5
If X and Y are finite etale covers of eachother, are they isomorphic?
5
How would I figure out how many anagrams of mississippi don't contain the word psi?
5
Intuition on base change of schemes
5
Is the ring of all algebraic integers coherent?
5
How would I show that $\sqrt{p}$ is not contained in $Q(\zeta_8)$?
5
Group cohomology of finite groups
5
How to explain what it means to say a function is “defined” on an interval?
5
non-equivalent bundles
5
How many ways there are to put eight distinct-looking towers on a chessboard?
5
The polynomial $x^p - x -1/p$ over $\mathbb{Q}_{p}$
4
Fermat's 'proof' of his Last Theorem
4
Advice reviewing academic paper
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