Let T : Cn Cn be a linear transformation. We say v Cn is a generalized eigenvector of T

Chapter 7, Problem 14

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QUESTION:

Let T : Cn Cn be a linear transformation. We say v Cn is a generalized eigenvector of T with corresponding eigenvalue if v _= 0 and (T I)k(v) = 0 for some positive integer k. Define the generalized -eigenspace E () = {v Cn : v N _ (T I)k _ for some positive integer k}. a. Prove that E() is a subspace of Cn. b. Prove that T ( E()) E().

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QUESTION:

Let T : Cn Cn be a linear transformation. We say v Cn is a generalized eigenvector of T with corresponding eigenvalue if v _= 0 and (T I)k(v) = 0 for some positive integer k. Define the generalized -eigenspace E () = {v Cn : v N _ (T I)k _ for some positive integer k}. a. Prove that E() is a subspace of Cn. b. Prove that T ( E()) E().

ANSWER:

Step 1 of 3

It is given that is a linear transformation.

And, is a generalized eigenvector of  with corresponding eigenvalue  if  and  for some positive integer .

The generalized -eigenspace is defined as,

.

To prove that,

a.  is a subspace of .

b.

   

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