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Valerio Capraro
  • Member for 10 years, 6 months
  • Last seen more than 8 years ago
6 votes

How can we evaluate $\int_{0}^{\infty}e^{-xt}\sin(t)dt$ without using Laplace transforms?

5 votes

Does there any non discrete metric space in which closure of an open ball is not closed ball?

4 votes

How to get a group from a semigroup

4 votes

Use congruences to show that $6$ divides $n^3 – n$ for every integer $n$

3 votes

Is every well-defined map continuous?

3 votes

Must every event have a probability?

2 votes

Cantor's completeness principle

2 votes

Is function $(1+\frac{1}{x})^{x}$ defined on $(-1,0)$ interval?

1 vote

When does $|\mathrm{Hom}(A,B)| = |\mathrm{Hom}(B,A)|$ imply $A \simeq B$?

1 vote

Real world uses of homotopy theory

1 vote

Taylor series for different points... how do they look?

1 vote

Intuitive results with non-intuitive proofs?

1 vote

A lemma of convergence

1 vote

Newbie Question: Probability of Life

0 votes

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