List questions from banach-algebras

Published on 01 Nov 2013 - 20:02

268

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Density of linear span of idempotents in $L^{\infty}$

Published on 02 Nov 2013 - 19:26

122

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Inclusion $[0,1]\rightarrow\mathbb{C}$ generates $C^{1}[0,1]$ as a Banach algebra

Published on 02 Nov 2013 - 22:16

57

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Show that there is a unique continuous function

Published on 03 Nov 2013 - 20:22

143

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Is holomorphic functions on (0, 1) (vanishing at endpoint) dense in $C_0((0, 1))$?

Published on 04 Nov 2013 - 16:27

153

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In banach algebra: Show there exists $x$ s.t. $x^2+bx+xb+c=0$

Published on 05 Nov 2013 - 15:09

108

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Algebra homomorphism on quotient algebra

Published on 10 Nov 2013 - 5:04

587

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In what kind of Banach algebras is 0 the only topological zero divisor?

Published on 12 Nov 2013 - 17:57

282

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Can $f*g = f+g$ for $f$ and $g$ compactly supported?

Published on 14 Nov 2013 - 5:50

138

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Matrix-valued function

Published on 14 Nov 2013 - 10:05

201

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Banach algebra problem: $\left\|e^{ta}\right\|\leq Me^{-\omega t}$

Published on 15 Nov 2013 - 15:40

126

Views

Show existence of a continuous function with certain properties

Published on 15 Nov 2013 - 18:12

148

Views

Minkowski type inequality in Banach algebras

Published on 26 Mar 2026 - 22:13

108

Views

Integration of rational function on Banach algebra

Published on 23 Nov 2013 - 18:25

413

Views

Continuity of a map from $\mathbb{C}$ to a Banach algebra

Published on 25 Nov 2013 - 20:09

List Question

Limit of nth power of operator norm

Density of linear span of idempotents in $L^{\infty}$

Inclusion $[0,1]\rightarrow\mathbb{C}$ generates $C^{1}[0,1]$ as a Banach algebra

Show that there is a unique continuous function

Is holomorphic functions on (0, 1) (vanishing at endpoint) dense in $C_0((0, 1))$?

In banach algebra: Show there exists $x$ s.t. $x^2+bx+xb+c=0$

Algebra homomorphism on quotient algebra

In what kind of Banach algebras is 0 the only topological zero divisor?

Can $f*g = f+g$ for $f$ and $g$ compactly supported?

Matrix-valued function

Banach algebra problem: $\left\|e^{ta}\right\|\leq Me^{-\omega t}$

Show existence of a continuous function with certain properties

Minkowski type inequality in Banach algebras

Integration of rational function on Banach algebra

Continuity of a map from $\mathbb{C}$ to a Banach algebra

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