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Mathematics
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violeta
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10
What is the *real* representation theory of $SO(3)$?
Apr 22, 2018
9
What constructions of "elementary" mathematics are actually functors?
Jan 9, 2019
6
If $f: \mathbb{R} \rightarrow \mathbb{R}$ is a differentiable function, $f(0)=0$ and $f' = f^2$, then $f = 0$.
Feb 17, 2015
6
If there are $k_1, k_2 \in K$ such that $K(\alpha + k_1\beta)=K(\alpha + k_2\beta)$ then $K(\alpha,\beta) = K(\alpha + c\beta)$ for some $c \in K$.
Jun 14, 2015
6
"On Numbers and Games" or "Winning Ways for Your Mathematical Plays"?
Jun 21, 2015
5
Given $f: I \rightarrow \mathbb{R} $ differentiable and $c \in I$, are there $a,b \in I$ such that $f(b) - f(a) = f '(c) (b - a)$?
Feb 4, 2015
4
Let $K \subset L$ be fields and $\tau \in L$ be transcendental over K. Then $\tau$ is algebraic over $K(\alpha)$ for any $\alpha \in K(\tau) - K$
Jun 4, 2015
4
Using a bicycle to calculate areas
Oct 15, 2016
3
Why is the dihedral group closed under composition?!
Sep 20, 2014
3
Why is there no normal, dense, totally disconnected subgroup of $SO(n)$?
Nov 23, 2014