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Davide Trono
  • Member for 4 years, 9 months
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4 votes
3 answers
100 views

Can you give me an example of a real function with a behavior like this

3 votes
2 answers
106 views

Given a continous real function, it is almost globally Lipschitz:

3 votes
2 answers
56 views

The sequence $n\sin(\sqrt{4\pi^2n^2 +x^2})$ converges on compacts:

2 votes
3 answers
135 views

What is the idea to sum this series of powers?

2 votes
1 answer
48 views

Example of such family of functions in $L^{p}(\mathbb{R})$?

2 votes
1 answer
108 views

Compute the homology group of $S^{1}\times D^{2}$

2 votes
3 answers
58 views

Prove a limit with $\varepsilon$-$\delta$ definition:

2 votes
1 answer
44 views

Showing $\operatorname{Hom}(G,\mathcal{U}(R))\cong \operatorname{Hom}(R(G),R).$

2 votes
1 answer
35 views

Show this set can't be precompact via counterexample

2 votes
1 answer
195 views

Can we show this family be equicontinous via Ascoli Arzelà?

1 vote
1 answer
118 views

How do we compute this specific $2$ variables integral?

1 vote
0 answers
28 views

study the convergence of this sequence of functions in $L^{p}(\mathbb{R}^{d})$

1 vote
0 answers
36 views

Weaky converging sequence is equiintegrable

1 vote
1 answer
182 views

Is the Image of a projective module still a projective module?

1 vote
0 answers
47 views

Classifying all the group extension of $\mathbb{Z}_{n}$ by $\mathbb{Z}_{2}$ via the second cohomology group

1 vote
1 answer
41 views

Proving this function is an isomorphism

1 vote
0 answers
37 views

How to compute this cohomology group algebraically

1 vote
1 answer
81 views

$\mathcal{C}^{\infty}$ which are not analytical

1 vote
1 answer
48 views

Universal arrow example which doesn't come as an adjoint pair?

1 vote
1 answer
43 views

Study the following series of functions:

1 vote
1 answer
36 views

study the uniform convergence of this sereis of functions:

1 vote
0 answers
45 views

Is this function continous and differentiable on $(0,0)$?

1 vote
1 answer
56 views

integral of $x^{-\frac{1}{x}}\cos x$ from $1$ to $\infty$ does not converge:

1 vote
0 answers
32 views

Identity proof of determinant of a Matrix

0 votes
1 answer
38 views

Find the limit of this integral:

0 votes
1 answer
67 views

Show the following function has a local minima in $0$:

0 votes
1 answer
48 views

Show this sentence is not a consequence of these 3 preconditions

0 votes
2 answers
51 views

Find the constrained minimum and maximum of the following $f$

0 votes
1 answer
63 views

What's the meaning of "Limits in Groups are done as in Set"?

0 votes
0 answers
33 views

How to prove the equivalence of adjoint pairs and triangular identities of unit and counit?