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Operator-theory
New post in Operator-theory
Positive unbounded operators
August 1st, 2022
functional-analysis
operator-theory
Prove property of adjoint: $(\mathcal{A}^{-1})^*=(\mathcal{A}^*)^{-1}$.
May 26th, 2020
operator-theory
linear-algebra
Show that if $c$ is a positive constant, then $\frac{1}{c}F(\frac{s}{c})=\mathcal{L}\{f(ct)\}$
April 25th, 2020
integration
operator-theory
ordinary-differential-equations
inverse of transpose operator
September 7th, 2020
linear-algebra
operator-algebras
operator-theory
Finding the operator norm
January 20th, 2020
normed-spaces
functional-analysis
operator-theory
Operator - Exponential form
July 7th, 2020
exponential-function
matrices
operator-theory
operator-algebras
Examples of skew adjoint differential operators
August 1st, 2022
reference-request
operator-theory
semigroup-of-operators
functional-analysis
partial-differential-equations
How to find the eigenvalues of an integral operator $Fu(x) = \int_0^x u(y)dy$
August 1st, 2022
eigenvalues-eigenvectors
linear-transformations
operator-theory
integration
Proving that every diagonalizable operator is normal
April 12th, 2020
operator-theory
linear-algebra
quantum-mechanics
diagonalization
spectral-theory
Matrix norm of a normal matrix
August 1st, 2022
abstract-algebra
linear-algebra
matrices
operator-theory
How to prove $[x,p]=i$ $\implies$ $[x,p^n]=inp^{n-1}$?
April 25th, 2020
operator-theory
hilbert-spaces
operator-algebras
quantum-mechanics
How to calculate the operator norm of $f\mapsto (Af)(x) = xf(x)$
November 21st, 2020
real-analysis
operator-theory
banach-spaces
normed-spaces
Product and Quotient rule for Fréchet derivatives
August 1st, 2022
real-analysis
calculus
functional-analysis
derivatives
operator-theory
Weak convergence of bounded operators
August 1st, 2022
functional-analysis
real-analysis
partial-differential-equations
operator-theory
operator-algebras
Hilbert-Schmidt norm and Trace Class norm - comparison
August 13th, 2020
compact-operators
trace
operator-theory
What is the role of supremum in operator norm
October 4th, 2020
normed-spaces
linear-algebra
vector-spaces
operator-theory
hoffman-and-kunze [chapter 8.2][question 4]
August 1st, 2022
linear-algebra
inner-products
operator-theory
Is my proof of characterisation of self-adjoint operators on complex Hilbert spaces okay?
March 29th, 2020
operator-theory
functional-analysis
hilbert-spaces
Operator norm, convolution and Gauss-Weierstrass kernel
June 5th, 2020
operator-theory
functional-analysis
Show that this linear operator is surjective
September 7th, 2020
operator-theory
functional-analysis
banach-spaces
Prove that if transformation matrix is unitary, then the basis is orthonormal
December 23rd, 2020
linear-algebra
matrices
vector-spaces
operator-theory
Linear Operator and isomorphism
August 1st, 2022
real-analysis
linear-algebra
functional-analysis
operator-theory
If A unitary matrix and orthogonally diagonalizable why there is a basis in whichthe linear trans. matrix is diagonal?
August 1st, 2022
matrices
linear-algebra
operator-theory
Extension of a linear operator
June 18th, 2020
banach-spaces
functional-analysis
operator-theory
Eigenvectors of operators on a tensor product Hilbert Space
August 22nd, 2020
hilbert-spaces
tensor-products
operator-theory
Continuous operator between Banach spaces, closed range
August 1st, 2022
functional-analysis
operator-theory
banach-spaces
Spectral theorem for unbounded self-adjoint operators, questions about the proof
February 25th, 2020
spectral-theory
functional-analysis
operator-theory
support of an operator on a Hilbert space
February 10th, 2020
operator-theory
operator-algebras
functional-analysis
Self-adjoint Operator Properties
November 14th, 2020
operator-theory
functional-analysis
hilbert-spaces
spectral-theory
sequence of Hilbert space Projections - Strong operator limit
March 7th, 2020
hilbert-spaces
operator-theory
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