List questions from banach-algebras

Published on 14 Dec 2016 - 22:14

49

Views

Perturbation by $\varepsilon\mathbf 1$ in a Banach Algebra.

Published on 20 Dec 2016 - 22:31

389

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Is $\Phi_A$ meaningful for a non-commutative Banach Algebra $A$?

Published on 21 Dec 2016 - 21:16

237

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About commutative semisimple Banach algebra

Published on 01 Jan 2017 - 7:35

149

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Invertibility of an operator $T$ if $\|I-T\|<1$

Published on 02 Jan 2017 - 11:52

100

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Character space of $\mathcal P(K)$

Published on 06 Jan 2017 - 21:45

103

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the Moore-Penrose inverse of $1-ba$ when $1-ab$ is Moore-Penrose invertible

Published on 16 Jan 2017 - 5:31

208

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A real subalgebra of $C(X)$

Published on 19 Jan 2017 - 5:29

64

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A question about $ C‎^{*}$ -‎ algebra‎s

Published on 22 Jan 2017 - 18:50

310

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Riemann Stieltjes Integral: A special example that separates two linear functionals.

Published on 29 Jan 2017 - 18:04

170

Views

State Space of Finite-Dimensional Abelian C*-Algebras

Published on 06 Feb 2017 - 12:31

107

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To extend a norm defined on a Banach Algebra to its localization

Published on 10 Feb 2017 - 2:27

38

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Showing that a function algebra is complete.

Published on 14 Feb 2017 - 17:42

216

Views

Non-unitary isometries in $B(H)$ are far away from invertible elements

Published on 17 Feb 2017 - 11:16

144

Views

Basic inequality in a Banach Algebra

Published on 18 Feb 2017 - 12:55

List Question

If $\|\cdot\|$ is a submultiplicative norm, when does $\|AB\| = \|A\| \|B\|$?

Perturbation by $\varepsilon\mathbf 1$ in a Banach Algebra.

Is $\Phi_A$ meaningful for a non-commutative Banach Algebra $A$?

About commutative semisimple Banach algebra

Invertibility of an operator $T$ if $\|I-T\|<1$

Character space of $\mathcal P(K)$

the Moore-Penrose inverse of $1-ba$ when $1-ab$ is Moore-Penrose invertible

A real subalgebra of $C(X)$

A question about $ C‎^{*}$ -‎ algebra‎s

Riemann Stieltjes Integral: A special example that separates two linear functionals.

State Space of Finite-Dimensional Abelian C*-Algebras

To extend a norm defined on a Banach Algebra to its localization

Showing that a function algebra is complete.

Non-unitary isometries in $B(H)$ are far away from invertible elements

Basic inequality in a Banach Algebra

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