Given that
πΎ and π are free π -modules in the short exact sequence
0βπΎβπΏβπβ 0, is πΏ
L necessarily free? Could the structure of π influence this conclusion?
Your email address will not be published. Required fields are marked.
In your comment you can use Markdown and LaTeX style mathematics (enclose it like $\pi$). A preview option is available if you wish to see how it works out (just click on the eye in the toolbar).
Comments (1)
Comment #9999 by Informatika on