Rasmus

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200 Answers

newest activity votes
29
Does $G\cong G/H$ imply that $H$ is trivial?
19
When to learn category theory?
16
Is it possible to 'split' coin flipping 3 ways?
13
What are the sub-sets of a null set?
13
Is $O$ in $f \in O(g)$ a total partial order on the set of functions?
12
Are any two open connected subsets of $\Bbb{R}^n$ homeomorphic?
11
Is a Fourier transform a change of basis, or is it a linear transformation?
11
Weierstrass M-Test
11
Connections between K-Theory and PDEs?
10
How to prove if function is increasing
10
Probability of either dice showing a specific number
10
Can spectrum “specify” an operator?
10
Adding powers of $i$
9
Function $f(x)$ similar to exp(x) where $-f(x)$ is approximately $f(-x)$
8
Flat not projective, projective not free
8
Sum of a certain Series: Where is the error?
8
Is there some universal sense of -ification (eg, groupification) in category theory
8
False beliefs in mathematics (conceptual errors made despite, or because of, mathematical education)
8
Is there an Artinian module with infinitely generated proper submodule?
8
How can I prove $\underbrace{\int \ldots \int}_{n} |x| dx = \frac{x^n |x|}{n+1}+C$?
8
Why is the 3D case so rich?
7
What is $\operatorname{Ext}_{\mathbb{Z}} (\mathbb{Z}/m\mathbb{Z},\mathbb{Z}/n\mathbb{Z})$?
7
Continuation of strictly monotone functions on $\mathbb{R}$
7
Does an uncountable discrete subspace of the reals exist?
7
Is there a meaningful distinction between “inclusion” and “monomorphism”?
7
property about topological space
7
How to show a set is convex
7
Solving the integral $\int_{0}^{\infty} \frac{\sin{x}}{x} \ dx = \frac{\pi}{2}$?
6
Computing $K$ - theory groups of certain $C^{\ast}$- algebras
6
For integers $a$ and $b$, $ab=\text{lcm}(a,b)\cdot\text{hcf}(a,b)$
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