Menu
NEWBEDEV
Python
Javascript
Linux
Cheat sheet
NEWBEDEV
Python
Javascript
Linux
Cheat sheet
New posts in Operator Theory
Proving that operator is linear if it is unitary and surjective
May 10, 2021
Is "Convolution operator" well-defined and injective?
May 10, 2021
Homotopy between idempotents of small difference
May 09, 2021
Higher derivatives of the map $I:T \mapsto T^{-1}$, where $T \in \mathcal B(X)$.
May 08, 2021
inequality for positive contraction operator
May 08, 2021
Is there a coordinate-free definition of a differential operator?
May 08, 2021
Umbral calculus - eigenfunctions of operator
May 08, 2021
On the Equivalent Norms for Subspaces
May 07, 2021
Calculate the operator norm of $A: L^2[0,1] \to L^2[0,1]$ defined by $(Af)(x):=i\int_0^x f(t)\,dt-\frac{i}{2} \int_0^1 f(t) \,dt$
May 06, 2021
If $T:L^p[0,1] \to L^p[0,1]$ bounded for $1 < p < \infty$ with continuous image, then it's compact
May 06, 2021
Older Entries »