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RandomWalker
  • Member for 6 years, 3 months
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7 votes
1 answer
95 views

If $E$ is Banach and $E^*$ is its dual, is every $T:E^*\rightarrow E^*$ an adjoint?

6 votes
2 answers
267 views

How to think intuitively about compact injections?

5 votes
1 answer
135 views

Understanding inequality in Keane's proof of the ergodic theorem

4 votes
1 answer
165 views

Let $E$ be a separable Banach space and $A$ an uncountable subset of the unit sphere. Does $A$ have accumulation point?

4 votes
0 answers
54 views

On the convergence of metric spaces

3 votes
2 answers
123 views

Is this space equivalent to the James space?

3 votes
1 answer
46 views

If $f \in L^1(\Bbb R)$, then $\{f(x+n)\}\rightarrow 0$ for almost every $x$ in $[0,1]$

3 votes
1 answer
168 views

Using the martingale central limit theorem

3 votes
2 answers
222 views

Events in a measure preserving system satisfying $\mu (A \cap T^{-n}B) = \mu(A)\mu(B)$ for all $n$ large imply $\mu(A) \in \{0,1\}$

3 votes
0 answers
50 views

Sequence not in Schreier space

2 votes
1 answer
409 views

Pushforward measure of composition

2 votes
0 answers
307 views

Convergence of sum dependent random variables in $L^2$ with mean zero

2 votes
2 answers
153 views

When is the subspace of functions vanishing on a closed set complemented?

2 votes
1 answer
56 views

Let $B$ be a vector bundle over a compact metric space $X$. Is there always a linear bundle automorphism that covers $f \in \mbox{Homeo}(X)$?

1 vote
0 answers
40 views

Spectrum of a quotient map

1 vote
0 answers
62 views

Suppose that $F \subset E^*$ is total and $E$ is reflexive. Is $F$ norming?

1 vote
1 answer
49 views

Interpreting a question from topics in Banach space theory

1 vote
2 answers
116 views

Let $f: X \rightarrow X$ be a homeomorphism of a compact metric space. If the orbit of $x$ is compact, then $x$ is periodic

1 vote
1 answer
50 views

Suppose that $f$ is integrable and for each Borel $A$ there is an $\alpha \in (0,1)$ and $c$ such that $\int_A|f(A)| \leq c m(A)^{\alpha}$