List questions from dual-spaces

Published on 10 Apr 2026 - 8:12

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The dual vector space in quantum mechanics

Published on 13 Apr 2026 - 6:11

211

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Is the norm an element of the second dual space?

Published on 12 Apr 2026 - 18:58

149

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Confusion about the dual norm

Published on 09 Apr 2026 - 3:55

992

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Dual norm of a product space

Published on 10 May 2026 - 13:07

267

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Dual Space Subset Existence Proof.

Published on 11 May 2026 - 1:01

178

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Proximal kernel if and only if there exists $x$ of norm 1 such that $\Lambda x = \|\Lambda\|$, $X$ a Banach space, $\Lambda\in X^*$

Published on 16 Apr 2026 - 1:36

81

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Does the set of characters, $\Omega(\mathcal{A})$, over a C${}^{\ast}$-algebra, $\mathcal{A}$, generate a weakly dense subspace of $\mathcal{A}'$?

Published on 10 May 2026 - 12:58

410

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dual space and basis of polynomials (basic question)

Published on 13 Apr 2026 - 19:54

390

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Linear functional $\psi:X \to \mathbb{R}$ is $W$-weakly continuous if and only if it belongs to $W$

Published on 10 May 2026 - 14:07

86

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Examples of elements in $(X^)^$ that are not evaluation maps

Published on 10 May 2026 - 14:04

685

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Textbooks for more "abstract" linear algebra

Published on 14 Apr 2026 - 2:16

242

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If E* is separable, so is E. Is this proof correct?

Published on 15 Apr 2026 - 16:16

1.7k

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What is the difference between vector space and dual space?

Published on 11 May 2026 - 6:15

56

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If $0 \in S_1+S_2$ then $(S_1+S_2)^* \subset S_1^* \cap S_2^*$.

Published on 17 Apr 2026 - 5:02

List Question

Is it possible for a Banach space to contain strictly its (continuous) dual

The dual vector space in quantum mechanics

Is the norm an element of the second dual space?

Confusion about the dual norm

Dual norm of a product space

Dual Space Subset Existence Proof.

Proximal kernel if and only if there exists $x$ of norm 1 such that $\Lambda x = \|\Lambda\|$, $X$ a Banach space, $\Lambda\in X^*$

Does the set of characters, $\Omega(\mathcal{A})$, over a C${}^{\ast}$-algebra, $\mathcal{A}$, generate a weakly dense subspace of $\mathcal{A}'$?

dual space and basis of polynomials (basic question)

Linear functional $\psi:X \to \mathbb{R}$ is $W$-weakly continuous if and only if it belongs to $W$

Examples of elements in $(X^)^$ that are not evaluation maps

Textbooks for more "abstract" linear algebra

If E* is separable, so is E. Is this proof correct?

What is the difference between vector space and dual space?

If $0 \in S_1+S_2$ then $(S_1+S_2)^* \subset S_1^* \cap S_2^*$.

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