Question

Trouble proving the equality when asked to compute the operator norm $\phi : \ell^{2} \to \mathbb R$ where $\phi(x)=\sum \frac{x_{n}}{n}$

score 84 · Answer 1 · 2020-07-18 19:17:53

84

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Trouble proving the equality when asked to compute the operator norm $\phi : \ell^{2} \to \mathbb R$ where $\phi(x)=\sum \frac{x_{n}}{n}$

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59

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147

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167

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183

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score 59 · Answer 8 · 2020-07-29 20:17:00

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List Question

Trouble proving the equality when asked to compute the operator norm $\phi : \ell^{2} \to \mathbb R$ where $\phi(x)=\sum \frac{x_{n}}{n}$

Understanding a definition

Elements of double dual that are not evaluation maps

Computing the dual change of coordinate matrix $[T^t]^{\beta }_{\gamma }$

Is every abstract vector a tensor?

Dual of a $\mathbb{C}G$-module, can we get $g^{-1}$ outside $\theta(\cdot)$?

The transpose of a row vector in relation to dual spaces

Is the first dual equal to the third dual of a vector space

Double dual space is isomorphic to vector space - Intuition

Why is there no natural isomorphism between $V$ and its dual?

Second Algebraic Dual Space

Riesz representation theorem for $L^p$ spaces (References)

Understanding the double dual space in a concrete example

Show that the dual space of $\ell^1$ is isomorphic to $\ell^{\infty}$

Show that polar of the unit ball is the unit ball of the dual space

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