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Maurizio Barbato's user avatar
Maurizio Barbato's user avatar
Maurizio Barbato's user avatar
Maurizio Barbato
  • Member for 10 years, 11 months
  • Last seen this week
  • Napoli, NA, Italia
18 votes
4 answers
988 views

Prove that $n^{n+1} \leq (n+1)^{n} \sqrt[n]{n!}$

13 votes
1 answer
492 views

Vector Space Structures over ($\mathbb{R}$,+)

12 votes
1 answer
2k views

Topology of the space $\mathcal{D}(\Omega)$ of test functions

11 votes
5 answers
885 views

Estimating the integral $\sqrt{n}\cdot \int\limits_0^\pi \left( \frac{1 + \cos t}{2} \right)^n dt$

11 votes
1 answer
5k views

Norm of the Resolvent

11 votes
1 answer
320 views

Convexifying a Concave Polygon by Reflections

9 votes
0 answers
127 views

Subfields of $\mathbb{Q}(x,y)$ of the form $\mathbb{Q}(p,q,r)$

8 votes
3 answers
502 views

$\mathbb{R}$ is not isomorphic to a proper subfield of itself

8 votes
2 answers
186 views

Are the numbers $\sqrt{n^2 + q^2}$, $n=0,1,\dots$, linearly dependent over $\mathbb{Q}$?

8 votes
1 answer
369 views

Averages of a Function

8 votes
1 answer
233 views

A Continuous-Time Markov Process Taking All Possible Values

8 votes
2 answers
2k views

Orthonormal Sets in Hilbert Spaces

7 votes
1 answer
407 views

Axiom of Choice and Probability

7 votes
1 answer
699 views

Smooth Integrable Functions with Integrable Derivatives

7 votes
0 answers
418 views

Does the reciprocal of a polynomial define a tempered distribution when it is locally integrable?

7 votes
1 answer
157 views

Is $(4+\sqrt{5})$ a prime ideal of $\mathbb{Z}[\sqrt{5}]$?

6 votes
1 answer
183 views

About the roots of the derivative of a special polynomial

6 votes
2 answers
237 views

When $\alpha n + \beta \sqrt{n}$ is an integer for infinitely many n's?

6 votes
2 answers
229 views

Conserved Current for a PDE

6 votes
1 answer
119 views

Division of Distributions on $\mathbb{R}$

6 votes
1 answer
2k views

The Space $\mathcal{D}(\Omega)$ of Test Functions is Not a Sequential Space

6 votes
2 answers
3k views

Lebesgue measure 0 set which is not Borel

5 votes
1 answer
532 views

Division of Distributions by Polynomials

5 votes
1 answer
197 views

Automorphisms of the Complex Field and Model Theory

4 votes
3 answers
241 views

Proving that $\left[ \mathbb{Q} \left( \sqrt[3]{4+\sqrt{5}} \right ) : \mathbb{Q} \right] = 6$

4 votes
2 answers
138 views

Proper Subgroup of $O_2(\mathbb{R})$ Isomorphic to $O_2(\mathbb{R})$

4 votes
0 answers
99 views

On the Definition of Smooth Map in Differential Topology

4 votes
1 answer
171 views

A Characterization of the Mode of a Distribution

4 votes
1 answer
362 views

Tail Probability for Student's t-Distribution

4 votes
1 answer
1k views

Radial Limits for Holomorphic Functions