List questions from operator-theory

Published on 05 Apr 2026 - 0:23

142

Views

If $T$ is topologically transitive and $X$ is separable and complete then there exists a dense set of points with dense backward orbits.

Published on 24 Feb 2026 - 8:21

1k

Views

Intuitive meaning of the exponential form of an unitary operator

Published on 03 Sep 2014 - 15:47

8.5k

Views

Fourier transform as diagonalization of convolution

Published on 28 Mar 2026 - 6:09

2.9k

Views

Can a self-adjoint operator have no eigenvalues?

Published on 26 Mar 2026 - 20:26

171

Views

Compactness of an operator on $c_0$ in terms of its infinite matrix representation

Published on 26 Mar 2026 - 12:37

57

Views

How find two differential operator $A$ and $B$ such $A\circ \dfrac{d}{dx}=B\circ x$

Published on 04 Sep 2014 - 15:59

143

Views

Invariant subspaces and their complements

Published on 01 Apr 2026 - 0:11

46

Views

Prove that $\frac{1}{\phi(D)}c=c\frac{1}{\phi(0)}$

Published on 06 Sep 2014 - 0:00

353

Views

Strong closure of a C*-algebra of operators.

Published on 27 Mar 2026 - 9:58

606

Views

Closest fixed point to a convex set

Published on 27 Mar 2026 - 11:52

313

Views

functional analysis: show L^1 integral operator has norm 1

Published on 01 Apr 2026 - 16:06

68

Views

Perturbation of operators and eigenvalues

Published on 26 Mar 2026 - 12:34

147

Views

Solution of nonhomogeneous problem using semigroup of linear operators

Published on 26 Mar 2026 - 10:56

1.5k

Views

Irreducible representations and commutative C*Algebras.

Published on 29 Mar 2026 - 12:40

List Question

Is there an expression for $\exp\left(t z^{i}\partial_{z}^{j} \right) f(z) = $?

If $T$ is topologically transitive and $X$ is separable and complete then there exists a dense set of points with dense backward orbits.

Intuitive meaning of the exponential form of an unitary operator

Fourier transform as diagonalization of convolution

Can a self-adjoint operator have no eigenvalues?

Compactness of an operator on $c_0$ in terms of its infinite matrix representation

How find two differential operator $A$ and $B$ such $A\circ \dfrac{d}{dx}=B\circ x$

Invariant subspaces and their complements

Prove that $\frac{1}{\phi(D)}c=c\frac{1}{\phi(0)}$

Strong closure of a C*-algebra of operators.

Closest fixed point to a convex set

functional analysis: show L^1 integral operator has norm 1

Perturbation of operators and eigenvalues

Solution of nonhomogeneous problem using semigroup of linear operators

Irreducible representations and commutative C*Algebras.

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