List questions from operator-theory

Published on 26 Mar 2026 - 6:30

53

Views

Working on linear maps

Published on 12 Apr 2026 - 8:53

230

Views

Inverse of spectrum points of an operator

Published on 12 Apr 2026 - 4:42

141

Views

Regularity of the mild solution of a semilinear PDE

Published on 26 Mar 2026 - 6:30

2.1k

Views

Weaker Assumption for Convergence of the Neumann series

Published on 14 Apr 2026 - 15:32

2.3k

Views

Prove that $A^T$ and $A^T A$ have the same column space

Published on 16 Apr 2026 - 11:58

444

Views

Determine the spectrum of a shift-operator

Published on 09 Apr 2026 - 6:42

2.8k

Views

Functional analysis proof of Ramanujan's Master Theorem

Published on 08 Apr 2026 - 17:40

322

Views

A representation of scaling operator for functions

Published on 11 Apr 2026 - 9:24

125

Views

If $-A$ is the infinitesimal generator of a $C^0$-semigroup $S$ and $α∈[0,1]$, then $x-S(t)x∈\mathcal D(A^{-α})$ for all $t≥0$ and $x∈H$

Published on 26 Mar 2026 - 6:32

152

Views

Invertibility of an operator $T$ if $\|I-T\|<1$

Published on 15 Apr 2026 - 7:43

162

Views

Norm inequality for linear isomorphism

Published on 10 Apr 2026 - 23:38

66

Views

Boundedness of the column map, operator space structure

Published on 11 Apr 2026 - 14:54

88

Views

How to calc action of operator on functions without diagonalizing the operator?

Published on 25 Mar 2026 - 6:02

462

Views

An inequality between determinant and norm.

Published on 10 Apr 2026 - 6:14

List Question

Show that the fractional power of a linear operator is closed

Working on linear maps

Inverse of spectrum points of an operator

Regularity of the mild solution of a semilinear PDE

Weaker Assumption for Convergence of the Neumann series

Prove that $A^T$ and $A^T A$ have the same column space

Determine the spectrum of a shift-operator

Functional analysis proof of Ramanujan's Master Theorem

A representation of scaling operator for functions

If $-A$ is the infinitesimal generator of a $C^0$-semigroup $S$ and $α∈[0,1]$, then $x-S(t)x∈\mathcal D(A^{-α})$ for all $t≥0$ and $x∈H$

Invertibility of an operator $T$ if $\|I-T\|<1$

Norm inequality for linear isomorphism

Boundedness of the column map, operator space structure

How to calc action of operator on functions without diagonalizing the operator?

An inequality between determinant and norm.

Trending Questions

Popular # Hahtags

Popular Questions