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Danowsky
  • Member for 10 years, 1 month
  • Last seen more than a week ago
  • Chicago, IL, United States
4 votes
0 answers
376 views

Implicit Function Theorem exercise

3 votes
2 answers
132 views

The union of all the open sets in a family of topologies

1 vote
1 answer
112 views

Maximum likelihood estimator in terms of $\sum \frac{(x_i-\mu)^2}{x_i}$

1 vote
3 answers
374 views

How to understand reproducibility in statistics?

1 vote
2 answers
50 views

Complex variable: Study the convergence of ${f_n(z) = \frac{z^n}{n + z^n}}$

1 vote
1 answer
50 views

Complex variable: studying convergence of series in terms of radius of a different series

1 vote
2 answers
331 views

Proving that there doesn't exist a non-constant function that is solution of a PDE

0 votes
0 answers
46 views

Why this game appears to have 2 solutions?

0 votes
2 answers
117 views

Finding the closure of a subset

0 votes
2 answers
122 views

Is $(\mathbb{R},\tau_B)$ a separable space?

0 votes
2 answers
4k views

Non-compactness of $\mathbb{R}$ with the cocountable topology

0 votes
1 answer
102 views

How to write the union of sets