New posts in Dual Spaces

Does a $\mathrm{C}^*$-algebra generated by projections contain support projections

Example where $(V^*)^*\neq V$?

Show that $B(X,Y^*)$ and $B(Y,X^*)$ are isometrically isomorphic.

Is the identity functor naturally isomorphic to a covariant dual functor?

If $Y\subset X$ are Banach spaces such that $Y$ is dense in $X$, is it true that $X'$ is dense in $Y'$?

$X'$ finite-dimensional implies $X$ finite-dimensional

Which vector spaces are algebraic dual spaces?

Properties of $\{x\in X\mid f(x)=||f||\}$

What is the difference between vector space and dual space?

Hahn-Banach extensions from $E$ to $E^{**}$.