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M.G's user avatar
M.G's user avatar
M.G
  • Member for 11 years, 6 months
  • Last seen this week
  • Escondido, California
17 votes

Proof of separability of $L^p$ spaces

8 votes
Accepted

To prove $A\Rightarrow B$ is it enough to prove that $\lnot(A\Rightarrow B)$ is false with a counterexample?

8 votes

Is $[0,1] \cap \Bbb Q$ a compact subset of $\Bbb Q$?

6 votes

complex analysis: assume $\lim\limits_{|z|\to+\infty} zf(z)=1$, prove $f(z)=1/z$.

5 votes

About $−\vert x \vert\le x \le \vert x \vert$ in absolute values

4 votes

Two continuous functions intersection

4 votes

Is $\aleph_1\cdot\aleph_1=\aleph_1$?

4 votes
Accepted

If $f \in C^{\infty}$ and $f^{(k)}(0)=0$ for all integers $k \ge 0$, then $f \equiv 0$.

4 votes

Distributional solution of this equation

4 votes
Accepted

What are some simple example of "forcing" in set theory?

4 votes

Finding the closure of A=$\mathbb Q \cap [0,1]$.

4 votes
Accepted

$\epsilon $ $\delta$ proof of geometric series $x$<1

3 votes

Asymptotic behavior of Fourier transform and Hölder condition

3 votes
Accepted

When to use $\in$ and $\subseteq$ when talking about bases and topologies

3 votes
Accepted

History of the development of graph theory

3 votes

Introductory/Intuitive Functional Analysis Book

3 votes

Past open problems with sudden and easy-to-understand solutions

2 votes

Gelfand transform of $a \in A$ vanishes at infinity?

2 votes

open vs closed vs continuous between subsets of $\mathbb{R}$

2 votes

How can we topologize the character group $\Gamma$ of a locally compact abelian group $G$, such that $\Gamma$ becomes a LCA group?

2 votes

Basis in Topology confusion

2 votes

Sequence $a_n$ such that $\inf a_n < \lim \inf a_n < \lim \sup a_n < \sup a_n$

2 votes

Why is $f:\mathbb{R} \rightarrow [-1,1]$ , $x$ mapped to $\sin(x)$, surjective?

2 votes

What is Convex about Locally Convex Spaces?

1 vote
Accepted

Show that $T^{-1}:Y \to X$ exists and is bounded.

1 vote

Equivelance relation problem

1 vote

Prove subset of $\mathbb R^2$ is open

1 vote
Accepted

Continuity, Real Analysis

1 vote

Understanding Properties of Measure

1 vote
Accepted

Existence of linear fucntional