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mweiss
  • Member for 10 years, 4 months
  • Last seen this week
  • Ann Arbor, MI
34 votes
19 answers
25k views

How is $\ln$ pronounced by English speakers?

31 votes
4 answers
2k views

Fields that can be ordered in more than one way

14 votes
1 answer
172 views

Can we describe the connected components in the graph of $\cos\left(x\right)-\sin\left(x+y\right)=\cos\left(x^{2}y\right)$?

13 votes
1 answer
168 views

Why does it seem more natural to think of $r$ as a function of $\theta$, rather than the other way around?

12 votes
1 answer
673 views

Intuition behind the "infinite velocity" of a falling ladder

12 votes
1 answer
262 views

Exponential-like functions on fields other than $\mathbb R$

9 votes
4 answers
983 views

Is there an easy way to see that ${1\over5} + \frac{1}{6} + \frac{1}{7} + \frac{1}{8} + \frac{1}{9} + \frac{1}{10} + \frac{1}{11} + \frac{1}{12} > 1$?

9 votes
3 answers
445 views

Showing that $\frac{1}{18} + \frac{1}{19} + \cdots + \frac{1}{47} < 1$ without brute force calculation

9 votes
1 answer
929 views

Is classical Euclidean geometry Turing complete?

9 votes
2 answers
1k views

Proving (without using complex numbers) that a real polynomial has a quadratic factor

9 votes
1 answer
320 views

What is known about this well-ordering of the rationals in a finite interval?

9 votes
1 answer
136 views

What do you get if you perform the Dedekind Cuts procedure on $\mathbb Q(x)$?

7 votes
4 answers
457 views

Does there exist $a \in \mathbb{Q}$ such that $a^2 - a + 1$ is a square?

6 votes
1 answer
188 views

Calculus optimization problem leads to a quartic polynomial - is there a better way?

5 votes
1 answer
161 views

Find the pdf of the area of an isosceles triangle given the pdf of its vertex angle

4 votes
1 answer
77 views

Almost, but not quite, an inner prouct

4 votes
0 answers
60 views

Reference request: A primer on the difference between "Vectors" in linear algebra vs. "Vectors" in ohysics/vector calculus

4 votes
1 answer
328 views

What does an automorphism of $\mathbb{RP}^1$ preserve that a homeomorphism does not?

4 votes
1 answer
452 views

Prove a relationship involving floor functions

4 votes
2 answers
1k views

What do we call the algebraic closure of $\mathbb{R}(x)$, and how can we describe it?

4 votes
0 answers
83 views

Name for the integrand used when computing arc length

3 votes
1 answer
127 views

Find an explicit formula for a square integer between $4n^3$ and $4n^3 + 4n^2$

3 votes
1 answer
340 views

Connections between mathematical logic and theoretical computer science

3 votes
0 answers
158 views

Iterating a geometric construction on quadrilaterals

3 votes
0 answers
782 views

Why does Grapher (a Mac application) plot the 3D inequality $|x|<1$ using spheres? [closed]

3 votes
3 answers
97 views

Cases in which the answer to a question about an integer depends dramatically on whether $n$ is prime

3 votes
2 answers
88 views

When does $a^x = k\cdot x^b$ have a unique "nice" solution?

3 votes
0 answers
46 views

How to describe the duality of the quantities $ab$ and $a^2 + b^2$?

3 votes
1 answer
65 views

When can a double integral be interpreted as a surface area?

3 votes
1 answer
239 views

Is there a name for $(\det JJ^\top)^{1/2}$ where $J$ is a non-square Jacobian matrix?