Oskar Henriksson's user avatar
Oskar Henriksson's user avatar
Oskar Henriksson's user avatar
Oskar Henriksson
  • Member for 10 years, 7 months
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7 votes
1 answer
2k views

The Lie bracket of $\mathfrak{gl}_n(\mathbb{R})$ is the matrix commutator

7 votes
2 answers
723 views

How does the coefficient ring influence the Euler characteristic?

6 votes
3 answers
1k views

Geodesics of the orthogonal group

6 votes
1 answer
1k views

Every complete regular surface is closed?

4 votes
2 answers
1k views

Interpolation by splines: how to set up the equation system for finding the coefficients of the spline (in a B-spline basis)

3 votes
3 answers
335 views

Show that $(1-\sqrt{x})/(1+\sqrt{x})$ is injective for $x>0$

3 votes
1 answer
1k views

Proof of l'Hôpital's rule, g'(0)=0

2 votes
3 answers
221 views

Limit of strange function composition

2 votes
2 answers
347 views

Totally geodesic submanifolds of $\mathbb{R}P^n$

2 votes
1 answer
234 views

Uniqueness of totally geodesic submanifold with a given tangent space

2 votes
1 answer
216 views

Why does every toric ideal correspond to an affine toric variety?

2 votes
0 answers
88 views

The saturation $J:(t_1\cdots t_m)^\infty$, where all generators of $J$ have degree one in the $t_i$'s

1 vote
0 answers
69 views

Is $1-f(x)\to 0$ equivalent with $f(x)\to 1$.

0 votes
1 answer
548 views

Estimators for $\mu^2$ and $\sigma^2$ for squared normal distribution