Skip to main content
Mathematics
Sassatelli Giulio's user avatar
Sassatelli Giulio's user avatar
Sassatelli Giulio's user avatar
Sassatelli Giulio
  • Member for 4 years, 10 months
  • Last seen this week
Profile Activity
Stats
863
reputation
3k
reached
19
answers
1
question
Communities
About

The purpose of this account is to only post answers to questions that I actually liked answering.

Badges
View all badges
2
gold badges
9
silver badges
20
bronze badges
Top tags
View all tags
18
Score
5
Posts
25
Posts %
11
Score
3
Posts
15
Posts %
6
Score
2
Posts
10
Posts %
6
Score
2
Posts
10
Posts %
6
Score
2
Posts
10
Posts %
6
Score
2
Posts
10
Posts %
Top posts
View all questions and answers
6
Removing Open Balls $ B(x_i,\frac{1}{2^i}) $ from Real Numbers Centered at Every Rationals x(i) where i is in N
Sep 25, 2019
6
When does $(X\times Y,\Vert\cdot\Vert)$ have the product topology?
Oct 26, 2022
6
Which $m \times n$ matrix is the product of an $m \times 0$ and $0 \times n$ matrix?
Jul 4, 2023
5
Are convex polytopes closed in arbitrary metric spaces?
Sep 29, 2022
4
Is there a normed space $W$ such that $W=X\oplus Y$, with $X$ not closed and such that $W$ is homeomorphic to $X\times Y$?
Oct 26, 2022
4
Does Cantor’s theorem rely on the Empty Set being in the power set of a set?
Feb 28
4
Suppose $A,B\in M_n(\mathbb{R})$ are symmetric, $A-B$ is semi-positive-definite, and $A$ has the same eigenvalues as $B,$ can we derive that $A=B$?
Apr 30
4
If $f$ is differentiable at $a$, does it imply that $\lim\limits_{x,y\to a\atop x\ne y} \frac{f(x) - f(y)}{x-y} =f^{\prime}(a)$?
May 10
2
majorization of polynomials over the unit circle
Mar 18, 2022
2
confusion regarding infinite cartesian product
Nov 17, 2023