New posts in banach-spaces

Operator norm and tensor norms

Different versions of Riesz Theorems

How do I show that for linearly independent set in dual is a dual of a linearly independent set?

How to prove that a finite-dimensional linear subspace is a closed set

$\mathcal M(K)$ is an $\mathcal{l}_1-$sum of $L_1(\mu)$ spaces

Showing that two Banach spaces are homeomorphic when their dimensions are equal.

In $\ell^p$, if an operator commutes with left shift, it is continuous?

A property of exponential of operators

Generalized Riemann Integral: Bounded Nonexample?

Show that $T f(x) = \frac{1}{x^2}\int\limits_0^x t f(t) dt$ is not compact.

Prove that $(C^1[0,1], \|\cdot\|)$ is not a Banach space

Is any Banach space a dual space?

Is the closure of the span in a Banach space complete?

Positive operator is bounded

Equivalent definitions for Strong Operator Topology in Banach Spaces

Do continuous linear functions between Banach spaces extend?

Operator Exponential $e^A e^B = e^{A+B}$

Is it true that $\dim(X) \leq \dim(X^{\ast})$ for every infinite dimentional Banach space $X$?

Banach spaces over fields other than $\mathbb{C}$?

Dual of $l^\infty$ is not $l^1$