Quote Originally Posted by SlipEternal View Post
Here are the bases for the \phi-invariant subspaces: \emptyset, \{x^0\}, \{x^0,x^1\}, \ldots, \{x^0,x^1,\ldots, x^{n-1}, x^n\}. So, there are n+2 total. (The empty set is the basis for the trivial subspace.)
Haha I cannot count...