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user62498
  • Member for 10 years, 6 months
  • Last seen more than a month ago
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question
22
Under what conditions $\|x-y\|=n\iff\|f(x)-f(y)\|=n.$ for $n\in\mathbf{N}$ implies isometry?
Jan 19, 2015
question
13
What is the best reference for Spectral theory?
Nov 14, 2014
question
6
Examples of amenable Banach algebras which have non-amenable subalgebra
Jul 16, 2020
question
5
Whether every algebra norm $\left|\cdot\right|$ on $C(X)$ is equivalent to uniform norm $\left|\cdot\right|_X$
Jan 25, 2019
question
4
Frechet differentiable implies reflexive?
Jun 12, 2014
question
4
Contractible Banach algebras
May 20, 2019
question
4
If $A\hat\otimes B$ has identity then so are $A$ and $B$
Dec 21, 2021
question
2
relation between of uniformly rotund in every direction and uniformly rotund and locally uniformly rotund
Jun 11, 2014
question
2
Weak amenability hereditary properties
May 28, 2019
question
1
A question about Smulian lemma
Jun 21, 2014
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22
What does “stop by my desk later” mean?
10
The Weak topology on an infinite-dimensional space is not metrizable
9
In a uniformly convex Banach space $x_n\stackrel{w}\to x$ and $||x_n||\to ||x||$ implies $||x_n-x||\to 0$
8
How to compute the residue of $(z^2+2z+1)\sin\left(\frac{1}{1+z}\right)$
8
What are the differences between these kinds of articles: original, review, letter, and short communication?