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Aug 25, 2010 at 16:28 history edited David Corwin CC BY-SA 2.5
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Aug 25, 2010 at 16:27 comment added David Corwin Sorry, it should have been $n$ at the end. Yes, points of Xn correspond to points of n where none of the coordinates has magnitude $1$. This is why when scaling by positive values in $\mathbb{R}$ there are at most $n$ positive reals which make a given element of $\mathbb{C}^n$ not be in $X_n$.
Aug 25, 2010 at 6:23 comment added solbap Can you elaborate more on your first paragraph. You mention things having dimension $2n, 2n -1$ and $n$. Perhaps the last one is also supposed to be $2n$. Also can your statement about the fibers of your quotient map. Shouldn't the points of $X_n$ corresponds to points of $\mathbb{C}^n$ where none of the coordinates has magnitude 1?
Aug 25, 2010 at 5:31 history edited David Corwin CC BY-SA 2.5
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Aug 25, 2010 at 5:17 history edited David Corwin CC BY-SA 2.5
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Aug 25, 2010 at 5:11 history answered David Corwin CC BY-SA 2.5