List questions from functional-analysis

Published on 02 Feb 2018 - 21:07

28

Views

Maximising sum of two functions with just the derivatives

Published on 03 Feb 2018 - 1:27

118

Views

does asymptotic behavior guarantee the uniqueness?

Published on 29 Mar 2026 - 18:16

906

Views

Dense subspaces of $L^\infty(\Omega\times\Omega)$

Published on 23 Mar 2026 - 7:12

807

Views

Finding spectrum of given operator

Published on 01 Apr 2026 - 7:00

104

Views

Explain a proof from a paper: why the inequality $b<\|A\|$ is strict?

Published on 25 Mar 2026 - 4:39

316

Views

Closed subalgebras of $C[0,1]$ and $C[0,1)$?

Published on 24 Mar 2026 - 19:14

68

Views

Question about orthogonal complement and euclidean space

Published on 03 Feb 2018 - 16:59

89

Views

Is the map $T: C(X) \to \mathbb{B}(L^2(X,\nu))$ defined by $T(f)=M_f$, where $M_f(g)=fg$, injective?

Published on 24 Mar 2026 - 22:07

65

Views

Can we characterise $X$ being separable in terms of $C(X, \mathbb R)$?

Published on 01 Apr 2026 - 3:58

56

Views

What is the dual space of the Banach space of sections for a Riemann manifold

Published on 03 Feb 2018 - 20:07

53

Views

Try to understand the part of proof -- open mapping theorem

Published on 03 Feb 2018 - 20:46

1.3k

Views

Singular value decomposition of a compact operator, using matrix notation

Published on 26 Mar 2026 - 15:16

299

Views

Hamel and Hilbert Bases in A Hilbert Space

Published on 25 Mar 2026 - 6:02

289

Views

Unit ball of the adjoint space of a separable Banach space is second-countable in the weak* topology.

Published on 20 Mar 2026 - 5:59

List Question

Is the sequence space over natural numbers $\ell^2(\mathbb{N})$ a Hilbert space?

Maximising sum of two functions with just the derivatives

does asymptotic behavior guarantee the uniqueness?

Dense subspaces of $L^\infty(\Omega\times\Omega)$

Finding spectrum of given operator

Explain a proof from a paper: why the inequality $b<\|A\|$ is strict?

Closed subalgebras of $C[0,1]$ and $C[0,1)$?

Question about orthogonal complement and euclidean space

Is the map $T: C(X) \to \mathbb{B}(L^2(X,\nu))$ defined by $T(f)=M_f$, where $M_f(g)=fg$, injective?

Can we characterise $X$ being separable in terms of $C(X, \mathbb R)$?

What is the dual space of the Banach space of sections for a Riemann manifold

Try to understand the part of proof -- open mapping theorem

Singular value decomposition of a compact operator, using matrix notation

Hamel and Hilbert Bases in A Hilbert Space

Unit ball of the adjoint space of a separable Banach space is second-countable in the weak* topology.

Trending Questions

Popular # Hahtags

Popular Questions