Recent content by stupiduser

  1. S

    Graduate Exercise 56 in chapter 1 of Lang's algebra

    Nevermind the first part. I just realized that the inverse of a matrix has the same fixed points, so we get the required condition for the element s for negative exponents. This doesn't help with the second problem relating the sets though.
  2. S

    Graduate Exercise 56 in chapter 1 of Lang's algebra

    Hi, I have been puzzled by this exercise for some time. I won't repeat it here as the hint refers to other exercises, so I would be copying a whole page of the book. My question is as follows. After having defined the sets S_i and picked a complex number s not belonging to any of the S_i...
  3. S

    Looking for a Beginner-Friendly Linear Algebra Textbook?

    Was browsing this site... Anyway, I found this on aMule a few weeks ago: rapidshare.com/files/115327924/Solutions_to_Axler__Linear_Algebra_Done_Right.pdf.html It seems to contain a solution to pretty much every exercise in Axler. Might help those thinking about reading it on their own (add...