List questions from dual-spaces

Published on 08 Aug 2020 - 6:51

351

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Trouble understanding the basics of a dual space and solving for its basis - Example from Linear Algebra by Friedberg

Published on 17 Aug 2020 - 1:45

65

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Rigidity in the monoidal cobordism category

Published on 29 Mar 2026 - 13:20

618

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Proof of injectivity of dual map using rank-nullity theorem

Published on 17 Aug 2020 - 12:22

127

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Weak topology Banach space with separable dual

Published on 26 Mar 2026 - 17:53

222

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The non-degenerate properties of duality pairing?

Published on 18 Aug 2020 - 14:03

94

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Linear map between $V \otimes W $ and $ \mathcal{L}(V^*,W)$.

Published on 18 Aug 2020 - 21:28

235

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What element of $\text{End}(V)$ does the trace correspond to?

Published on 18 Aug 2020 - 23:42

177

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A question about functionals and dual space

Published on 24 Aug 2020 - 5:18

554

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Prove 'dual to the dual norm is the original norm' without using Hahn-Banach theorem?

Published on 24 Aug 2020 - 8:16

113

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Show that the rank of $\phi$ and $\psi$ is equal to the rank of $\langle\cdot,\cdot\rangle$, resp. $f$

Published on 24 Aug 2020 - 9:01

87

Views

Proving equality in dual space

Published on 29 Aug 2020 - 20:59

135

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A lemma in functional analysis about distance

Published on 26 Mar 2026 - 0:59

150

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Inequality between inner product of functions in dual space

Published on 26 Mar 2026 - 3:12

74

Views

A step in the proof of Alaoglu's theorem

Published on 06 Sep 2020 - 4:44

List Question

Does isometric isomorphism of a Banach space with its dual imply it's a Hilbert space?

Trouble understanding the basics of a dual space and solving for its basis - Example from Linear Algebra by Friedberg

Rigidity in the monoidal cobordism category

Proof of injectivity of dual map using rank-nullity theorem

Weak topology Banach space with separable dual

The non-degenerate properties of duality pairing?

Linear map between $V \otimes W $ and $ \mathcal{L}(V^*,W)$.

What element of $\text{End}(V)$ does the trace correspond to?

A question about functionals and dual space

Prove 'dual to the dual norm is the original norm' without using Hahn-Banach theorem?

Show that the rank of $\phi$ and $\psi$ is equal to the rank of $\langle\cdot,\cdot\rangle$, resp. $f$

Proving equality in dual space

A lemma in functional analysis about distance

Inequality between inner product of functions in dual space

A step in the proof of Alaoglu's theorem

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