List questions from banach-algebras

Published on 22 Jul 2016 - 10:27

296

Views

Can every finite-dimensional associative $\mathbb{C}$-algebra be equipped with a submultiplicative norm?

Published on 29 Jul 2016 - 14:32

631

Views

Definition request: Radical of a Banach algebra

Published on 31 Jul 2016 - 21:34

336

Views

Continuity of $\limsup$ related to Cauchy-Hadamard formula

Published on 02 Aug 2016 - 19:43

988

Views

Are two compact Hausdorff spaces homeomorphic if their algebras of continuous functions are isomorphic?

Published on 06 Aug 2016 - 1:49

258

Views

Are all Semi-simple commutative Banach algebras finite-dimensional?

Published on 08 Aug 2016 - 1:15

39

Views

If all composite of a function and a linear functional zero, then is the function zero?

Published on 09 Aug 2016 - 9:22

236

Views

Banach Algebra Question

Published on 26 Mar 2026 - 23:57

580

Views

Completion of a normed algebra.

Published on 17 Aug 2016 - 11:51

74

Views

Using regularity of a Banach algebra

Published on 23 Feb 2026 - 2:55

53

Views

Composition of a continuous derivation and an epimorphism

Published on 17 Aug 2016 - 17:58

554

Views

Example of a Banach algebra with identity $e$ such that $\|e\| = t$, where $t \geq 1$.

Published on 20 Aug 2016 - 9:49

100

Views

Closed subalgebra generated by $T$ and $T^{-1}$

Published on 25 Aug 2016 - 13:39

423

Views

Maximal ideal space of $\mathcal{M}(\mathbb{T})$, the Banach algebra of Borel measures on $\mathbb{T}$

Published on 28 Aug 2016 - 15:23

102

Views

A concrete example of an orthonormal basis of a Hilbert module over $K(H)$, the algebra of compact operators

Published on 28 Aug 2016 - 20:18

List Question

noncommutative algebra

Can every finite-dimensional associative $\mathbb{C}$-algebra be equipped with a submultiplicative norm?

Definition request: Radical of a Banach algebra

Continuity of $\limsup$ related to Cauchy-Hadamard formula

Are two compact Hausdorff spaces homeomorphic if their algebras of continuous functions are isomorphic?

Are all Semi-simple commutative Banach algebras finite-dimensional?

If all composite of a function and a linear functional zero, then is the function zero?

Banach Algebra Question

Completion of a normed algebra.

Using regularity of a Banach algebra

Composition of a continuous derivation and an epimorphism

Example of a Banach algebra with identity $e$ such that $\|e\| = t$, where $t \geq 1$.

Closed subalgebra generated by $T$ and $T^{-1}$

Maximal ideal space of $\mathcal{M}(\mathbb{T})$, the Banach algebra of Borel measures on $\mathbb{T}$

A concrete example of an orthonormal basis of a Hilbert module over $K(H)$, the algebra of compact operators

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