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anomaly
  • Member for 9 years, 11 months
  • Last seen this week
114 votes
Accepted

Example of a very simple math statement in old literature which is (verbatim) a pain to understand

75 votes

Is being good at mathematic contests necessary to pursue a career in mathematics or physics?

34 votes

Encyclopedia of mathematics (?)

34 votes
Accepted

Can I recover a group by its homomorphisms?

28 votes
Accepted

(Why) Does Algebraic Topology only deal with topological spaces up to homotopy?

27 votes

What is the geometry in algebraic geometry?

26 votes

Why do we (mostly) restrict ourselves to Latin and Greek symbols?

24 votes

What does a "half derivative" mean?

21 votes

Is every noninvertible matrix a zero divisor?

20 votes
Accepted

Finding a point with $f(x)=f'(x)$

20 votes

How does Wiles' proof fail at $n=2$?

18 votes

Past open problems with sudden and easy-to-understand solutions

17 votes
Accepted

Why do un-integrable functions exist?

17 votes

Proof of whitney's embedding theorem?

17 votes

A function is convex if and only if its epigraph is convex

16 votes

Why is/isn't the derivative of a differentiable function continuous?

15 votes
Accepted

Prove that there is a differentiable function $f: \mathbb{R} \to \mathbb{R}$ satisfying $[f(x)]^5+f(x)+x = 0$

14 votes

How to prove that $ {\mathbf{GL}_{n}}(\mathbb{R}) $ is dense in $ {\mathbf{M}_{n}}(\mathbb{R}) $

14 votes

Is every commutative ring contained in a field?

13 votes

What is so special about Arnold's Trivium?

12 votes

What is the purpose of K-Theory?

11 votes

$\text{rank}(AB^2)=\text{rank}(AB)$

11 votes

If I have a $0.00048\%$ chance of dying every second, how to numerically calculate the chance I have of dying in a day?

11 votes
Accepted

How is de Rham cohomology useful?

11 votes
Accepted

Is $S^2\times S^2$ homeomorphic to $\mathbb{CP}^2\#\mathbb{CP}^2$?

10 votes
Accepted

Why is $H^*(\mathbb{CP}^\infty, \mathbb{Z})$ not $\mathbb{Z}[[x]]$?

10 votes

"Invariants" of Exotic spheres

10 votes
Accepted

Usage of "Let" in math

10 votes
Accepted

The integral $\int_0^\infty e^{-t^2}dt$

10 votes

Do people with average intelligence stand a chance making a tenure track math professorship at a research university?

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