List questions from banach-algebras

Published on 21 Feb 2016 - 2:22

242

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Applying Complex Stone-Weierstrass Theorem for Compact Subsets

Published on 21 Feb 2016 - 20:15

51

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Tensor product of $L^1([0,1],\omega)$ with some Banach space

Published on 29 Feb 2016 - 10:45

626

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Norm of a character in a non-unital Banach algebra without approximate identity

Published on 03 Mar 2016 - 4:11

163

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Why the set of all bounded operators on Hilbert space is a prime?

Published on 04 Mar 2016 - 14:31

200

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Explicit example of Gel'fand transform

Published on 14 Mar 2016 - 14:04

147

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Algebra of compact operators on $\ell_p$

Published on 29 Mar 2026 - 5:50

215

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Why is the canonical approximate identity positive?

Published on 17 Mar 2016 - 9:54

72

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Why if $X \subset A$ has codimension $1$, the only subspace properly containing $X$ is $A$?

Published on 17 Mar 2016 - 17:01

262

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Show that $\exp(-\lambda x) \cdot\exp(\lambda x)=1$ using the power series

Published on 18 Mar 2016 - 20:10

1k

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Submultiplicative Hilbert space norm on $B(H)$

Published on 20 Mar 2016 - 16:03

46

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Question on maximal left ideals.

Published on 30 Mar 2016 - 11:59

95

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Every Jordan function $\phi$ on $A$ is multiplicative.

Published on 30 Mar 2016 - 21:14

285

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Are there finite dimensional $\mathbb{R}$-algebras which are not Banach algebras?

Published on 03 Apr 2016 - 18:02

52

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Is the hermitian condition a must?

Published on 03 Apr 2016 - 19:41

List Question

Functional calculus for unitization of an algebra?

Applying Complex Stone-Weierstrass Theorem for Compact Subsets

Tensor product of $L^1([0,1],\omega)$ with some Banach space

Norm of a character in a non-unital Banach algebra without approximate identity

Why the set of all bounded operators on Hilbert space is a prime?

Explicit example of Gel'fand transform

Algebra of compact operators on $\ell_p$

Why is the canonical approximate identity positive?

Why if $X \subset A$ has codimension $1$, the only subspace properly containing $X$ is $A$?

Show that $\exp(-\lambda x) \cdot\exp(\lambda x)=1$ using the power series

Submultiplicative Hilbert space norm on $B(H)$

Question on maximal left ideals.

Every Jordan function $\phi$ on $A$ is multiplicative.

Are there finite dimensional $\mathbb{R}$-algebras which are not Banach algebras?

Is the hermitian condition a must?

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