List questions from banach-spaces

Published on 13 Apr 2026 - 3:10

216

Views

Universal property of l^p-spaces

Published on 06 Nov 2015 - 20:47

900

Views

Does there exist a Banach space with no complemented closed subspaces?

Published on 09 Apr 2026 - 17:01

1k

Views

In a Topological vector space, a subspace of codimension 1 is either dense or closed.

Published on 07 Nov 2015 - 14:07

86

Views

Functor in $\mathbf{Ban}$ that puts exact sequences into exact sequences

Published on 09 Apr 2026 - 12:50

46

Views

Integration w.r.t nondegenerate Gaussian probability measure on $X$ with mean $0$

Published on 12 Apr 2026 - 22:25

1.7k

Views

Intersection of decreasing sequence of non empty closed sets

Published on 08 Nov 2015 - 19:42

199

Views

Compactness of the closed unit ball of ${\rm Lip}_0(X)$ in the topology of pointwise convergence implies that ${\rm Lip}_0(X)$ is a dual space

Published on 29 Mar 2026 - 22:33

176

Views

Is $(\oplus\ell_2^n)_{\ell_1}$ complemented in $\ell_1\oplus_\infty\ell_p$?

Published on 09 Nov 2015 - 14:16

1.3k

Views

How to subtract infimum of a set from infimum of another set?

Published on 29 Mar 2026 - 22:29

129

Views

Completeness of $l_1 ^\infty$

Published on 02 Apr 2026 - 15:39

29

Views

Frobenius condition in infinite dimensions

Published on 30 Mar 2026 - 15:03

438

Views

Ranges of projection operators

Published on 11 Nov 2015 - 15:14

557

Views

Application of Hahn-Banach to Linear Functional Extension

Published on 12 Nov 2015 - 3:42

360

Views

Is $\sup_{\| f \| \leq 1}{\left| \int f d\mu \right|} = \sup_{\| f \| \leq 1}{\{ |\mu(f)| \}}?$

Published on 29 Mar 2026 - 22:33

List Question

Existence of a linear map from a dense space

Universal property of l^p-spaces

Does there exist a Banach space with no complemented closed subspaces?

In a Topological vector space, a subspace of codimension 1 is either dense or closed.

Functor in $\mathbf{Ban}$ that puts exact sequences into exact sequences

Integration w.r.t nondegenerate Gaussian probability measure on $X$ with mean $0$

Intersection of decreasing sequence of non empty closed sets

Compactness of the closed unit ball of ${\rm Lip}_0(X)$ in the topology of pointwise convergence implies that ${\rm Lip}_0(X)$ is a dual space

Is $(\oplus\ell_2^n)_{\ell_1}$ complemented in $\ell_1\oplus_\infty\ell_p$?

How to subtract infimum of a set from infimum of another set?

Completeness of $l_1 ^\infty$

Frobenius condition in infinite dimensions

Ranges of projection operators

Application of Hahn-Banach to Linear Functional Extension

Is $\sup_{\| f \| \leq 1}{\left| \int f d\mu \right|} = \sup_{\| f \| \leq 1}{\{ |\mu(f)| \}}?$

Trending Questions

Popular # Hahtags

Popular Questions