Prove that a normal operator on a complex inner product space is self- adjoint if and only if all its eigenvalues are real. [The exercise above strengthens the analogy (for normal operators) between self-adjoint operators and real numbers.]
(5) Prove or give a countcrcxample: If A, B E Cnx"are sclf-adjoint, then AB is also self-adjoint. (6) Let V be a finitc-dimensional inner product space over C, and suppose that T E C(V) has the property that T*--T (such a map is called a skew Hermitian operator (a) Show that the operator iT E (V) is self-adjoint (i.c. Hermitian) (b) Prove that T has purely imaginary eigenvalues (i.e. λ ίμ for μ E R). (c) Prove that T has...
Prove that if A is self-adjoint, then the singular values of A are the absolute value of the eigenvalues of A.
4. From Axler's book: EXERCISE 4 of SECTION 9B. Suppose V is a real inner product space and T E C(V) is self-adjoint. Show that Tc is a self-adjoint operator on the inner product space Vc defined by the previous exercise. 4 4. From Axler's book: EXERCISE 4 of SECTION 9B. Suppose V is a real inner product space and T E C(V) is self-adjoint. Show that Tc is a self-adjoint operator on the inner product space Vc defined by...
Consider a linear operator, 82 with Po(x) pi(a) 1 p()-0 As a linear space of functions where L is self-adjoint, consider the following "periodic'-like" boundary conditions, where, as usual, po(z) = w(z)po(x). The weighting function w(z) is, so far, unknown. (a) Identify, up to a constant, the weighting function (a) of the inner productu for which L can potentially become a self-adjoint operator; (b) Assume that L acts on a space of functions defined on an interval with b) Show...
Need answer to 5. 3. Use the Spectral Theorem to prove that if T is a normal operator on a finite dimensional complex inner product space V, then there exists a normal operator U on V such that T= U2 4. Give an example of a Hermitian operator T' on a finite dimensional inner product space V such that there does not exist a Hermitian operator U on V with T- U that is, Exercise 3 cannot be extended to...
3. Let T (V), and B be an orthonormal basis, so that M(T,B) (5+20 pts) Is T self-adjoint? Why/Why Not? (5+20 pts) Is T normal? Why/Why Not? . (10 pts/box with explanation) Now, let R E L(V) be a self-adjoint operator, SEL(V) a normal operator, and U E L(V) an operator that is neither self-adjoint nor normal; what properties do these operators have-mark R (if true only for F = R) / C (if true only for F = C)...
mATRS Assume two linear Hermitian operators A and iB arks (a) What is the adjoint operator of the operator [A, B). Is this again a Hermitian operator? (b) What is the condition that the product of two Hermitian operators is again a Hermitian operator?
Consider the following second-order differential equation:(a) Is the operator L self-adjoint? (show your work) (b) Find yH. (c) Does this BVP problem have a unique solution? Do you need to use modified Green’s function to solve this problem? (d) Use the Green’s function or the modified Green’s function to solve this problem.
We equip the vector space R2 with a (non-standard) inner product (with respect to the standard basis E- {(1,0)", (0, 17) is ), whose metric Let L: R2 → R2 be the reflection operator with respect to the x-axis, defined by 21 21 Compute the adjoint operator Lt. Is L self-adjoint? We equip the vector space R2 with a (non-standard) inner product (with respect to the standard basis E- {(1,0)", (0, 17) is ), whose metric Let L: R2 →...