Mauro's user avatar
Mauro's user avatar
Mauro's user avatar
Mauro
  • Member for 8 years, 11 months
  • Last seen this week
  • Ithaca, NY, USA
7 votes

Can I guess an irrational number formula from its digits?

2 votes
Accepted

Using Cauchy's Integral Formula to show that $f(z) = e^z$ for every $z$ with $|z| \lt 1$

2 votes

Image of line under Mobius transformation

1 vote

Question about a ring of polynomials, and the generators of ideals in that ring

1 vote

If a rational function is even then the numerator and the denominator have same parity

1 vote

Why must the countable sets shown in this example be closed?

1 vote

Annihilator of modules

1 vote

Matrix triangulation over $\mathbb{R}$

1 vote

Every quasi-invariant measures is in an invariant measure class (Zimmer)

0 votes
Accepted

Image of arbitrary sectors under Möbius transformation

0 votes

Show $\varphi(x_1,...,x_{n+1})=\frac{1}{1-x_{n+1}}(x_1,...,x_n)$ is surjective.

0 votes

Interior and closure: can they be the same?

0 votes
Accepted

Finding an invariant subspace of a linear operator.