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Fomalhaut's user avatar
Fomalhaut's user avatar
Fomalhaut
  • Member for 8 years, 8 months
  • Last seen more than a week ago
  • United States
10 votes
Accepted

Math that does not have infinity

5 votes
Accepted

indefinite integral of 1/x where x is dimensional?

5 votes

Trivial vs degenerate cases

5 votes

Peano Axioms, it's possible construct a real number theory

3 votes
Accepted

I can't really understand the first half of this author's argument

3 votes

What is the intuition of conjugacy classes?

3 votes
Accepted

Is there a generalization for "planar graph" for any dimension?

2 votes
Accepted

The real line, topologically speaking, is the unique X.

2 votes

ODE solutions - how un-differentiable can they be?

1 vote

Area of triangle in $\mathbb R^3$ given $3$ coordinates

1 vote
Accepted

Measure theory exercise where $\mu(E)=+\infty$

1 vote

Find the Image $2x-3y=0$ given matrix transformation

1 vote
Accepted

Limit on a function involving natural logarithmns

1 vote

induction proof: number of compositions of a positive number $n$ is $2^{n-1}$

1 vote

Intuition behind group action on a set

1 vote
Accepted

Venn diagram - choose the odd man out

1 vote

Is there anything wrong with my proof of Cantor's intersection theorem?

1 vote
Accepted

Lipschitz Constant of a linear function

1 vote

What is the Inverse of Projection $\pi$ ($proj$)?

1 vote

Any isomorphism $f: x \rightarrow x$ in a category has to be the identity morphism?

0 votes

Proving $ \sin(\cos^{-1}(x)) = \sqrt{1 - x^2} $ without considering separate cases

0 votes

Finding $\Phi(x)$ in normal distribution that is not in the table - linear interpolation intuitive explanation

0 votes

given $x^2 + y^2 = 2x$. I want $(x-1)^2 + y^2 = 1$

0 votes

Is it okay to write $[0,\infty]$?

0 votes

In the definition of a field, what means unique element $x+y$ and $xy$?

0 votes

For which $p$ does $ \sum_{n=2}^{\infty} \frac{\sin(\frac{\pi}{n})}{n^p}$ converge?

0 votes
Accepted

Is the normality of a subgroup dependent on which group is its parent?

0 votes

How do I determine if this relation is an equivalence relation?

0 votes
Accepted

If a toy car moves down a ramp, would the speed be constant?

0 votes
Accepted

Solving linear equations involving many variables