List questions from dual-spaces

Published on 30 May 2021 - 7:38

61

Views

Does this combinatorical condition characterize the (kernels of) non-degenerate quadratic forms $q:V\to \mathbb{F}_2$?

Published on 25 Mar 2026 - 10:57

519

Views

Matrix representation of adjoint & co-adjoint orbit of $so(3)$

Published on 25 Mar 2026 - 20:50

980

Views

Isomorphism between dual of quotient and annihilator

Published on 27 Mar 2026 - 14:54

188

Views

Dual of $Cc(X)$ with LB-Topology

Published on 04 Jun 2021 - 8:29

97

Views

Suppose V is a normed vector space and B is a subset of V such that phi(B) is bounded for every phi in the dual space of V, prove that B is bounded

Published on 07 Jun 2021 - 6:26

32

Views

If $R$ is a closed subspace of a Banach space $X$ with $\text{codim } R = 1$, $\exists \psi \in X^*\backslash 0$ with $R = \ker{\psi}$

Published on 26 Mar 2026 - 12:53

103

Views

Nontrivial applications of pairings

Published on 14 Jun 2021 - 12:26

193

Views

Weak* Topology coarser than topology of uniform convergence on compact sets

Published on 27 Mar 2026 - 4:58

453

Views

Dual Space of Real Numbers

Published on 16 Jun 2021 - 15:51

444

Views

Why does this diagram not commute?

Published on 17 Jun 2021 - 20:44

88

Views

Compact operators on L^{\infty}([0,1],m)

Published on 18 Jun 2021 - 6:41

45

Views

Finding Dual Basis

Published on 20 Jun 2021 - 8:49

117

Views

Completeness of a dual space

Published on 30 Mar 2026 - 3:36

403

Views

Why such cotangent space have $dx_i$ instead of $d/dx_i$ as part of their basis?

Published on 25 Mar 2026 - 11:16

List Question

How to find extreme point in Banach Algebra

Does this combinatorical condition characterize the (kernels of) non-degenerate quadratic forms $q:V\to \mathbb{F}_2$?

Matrix representation of adjoint & co-adjoint orbit of $so(3)$

Isomorphism between dual of quotient and annihilator

Dual of $Cc(X)$ with LB-Topology

Suppose V is a normed vector space and B is a subset of V such that phi(B) is bounded for every phi in the dual space of V, prove that B is bounded

If $R$ is a closed subspace of a Banach space $X$ with $\text{codim } R = 1$, $\exists \psi \in X^*\backslash 0$ with $R = \ker{\psi}$

Nontrivial applications of pairings

Weak* Topology coarser than topology of uniform convergence on compact sets

Dual Space of Real Numbers

Why does this diagram not commute?

Compact operators on L^{\infty}([0,1],m)

Finding Dual Basis

Completeness of a dual space

Why such cotangent space have $dx_i$ instead of $d/dx_i$ as part of their basis?

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